Best Medical Billing and Coding Schools in Kansas City, MO: 2025 Guide
Table of Contents
Quick Facts: Kansas City Medical Billing & Coding Training
- IPEDS-Accredited Schools: 1 institution offering medical billing and coding programs in Kansas City
- Median Salary: $42,630 per year for medical records specialists (BLS May 2023)
- Job Growth: 8% projected growth through 2032 (Bureau of Labor Statistics)
- Program Duration: 12-18 months for certificates, 2 years for associate degrees
- Tuition Range: $4,495 – $5,280+ depending on program type and institution
- Top Certifications: CPC (Certified Professional Coder), CCS (Certified Coding Specialist), CCA (Certified Coding Associate), RHIT (Registered Health Information Technician)
Kansas City’s healthcare sector is a major economic driver, with hundreds of hospitals, physician offices, health insurance companies, and healthcare organizations operating throughout the metropolitan area. This robust healthcare infrastructure creates strong demand for qualified medical billing and coding professionals who can accurately process claims, assign diagnostic codes, and ensure proper reimbursement. According to the Bureau of Labor Statistics, medical records specialists in the Kansas City region earn a median annual wage of $42,630, with opportunities to advance to supervisory positions earning significantly more.
Students seeking medical billing and coding training in Kansas City have access to both IPEDS-accredited institutions and specialized local training programs. This guide examines six programs available to Kansas City residents, including community college options, certificate programs, and online training. Whether you’re looking for on-campus classes with hands-on instruction or flexible online learning, Kansas City offers multiple pathways to enter this growing healthcare profession.
What Medical Billing and Coding Programs Are Available in Kansas City?
Metropolitan Community College-Kansas City
Kansas City, MO 64111
IPEDS-Accredited Institution
Metropolitan Community College-Kansas City is a major public institution serving the Kansas City region with multiple campuses and comprehensive healthcare programs. The college offers the Medical Coding Specialist Certificate through its Health Information Management (HIM) Program, which prepares students for careers in hospitals, physician offices, behavioral health facilities, skilled-nursing facilities, home health organizations, hospice care, and health plan payer organizations throughout Kansas City and beyond.
- Program Type: Certificate
- Data Source: IPEDS-Listed Institution
- Format: On-campus, Hybrid, and Online
- Program Duration: 12 months
- IPEDS UNITID: 177995
“I chose MCC because it’s affordable, has locations throughout the city that were convenient, and the instructors truly cared about student success. I graduated and had a job offer before I finished the program.”
– Lauren Gordon, Medical Coding Specialist Graduate (School Website)
Program Details: The curriculum covers ICD-10-CM diagnostic coding, ICD-10-PCS procedural coding, Current Procedural Terminology (CPT) coding, and coding practicum. Medical billing courses are offered online, while coding classes are available virtual/hybrid or on-ground. Evening classes run from 5:00-7:15 p.m., with intensive coding classes from 5:00-9:45 p.m. All HIM and medical coding courses are held at MCC-Penn Valley Health Science Institute.
Source: Medical Coding Specialist Certificate Program verified 2025-10-29
University of Central Missouri – Medical Billing and Coding Professional with Remote Worker Certificate
Local Training Program
The University of Central Missouri offers the Medical Billing and Coding Professional with Remote Worker Certificate through its Workforce and Professional Education division, specifically designed for Kansas City students seeking career advancement in the rapidly growing healthcare field. This certificate program prepares graduates to take the Certified Professional Coder (CPC-A) certification exam recognized by employers nationwide, positioning Kansas City professionals for immediate employment in a field with 27,800 projected new jobs through 2029.
- Program Type: Certificate
- Data Source: Google Search – Local Program
- Format: Hybrid/Online
- Program Duration: 18 months (300 hours including out-of-class work)
- Tuition (Program Cost): $4,495 including books, fees, and examination
Prerequisites: 18 years of age or older; high school diploma or equivalent; basic computer skills; reliable internet access.
“The certificate program equipped me with the exact skills employers in Kansas City are looking for. The remote-friendly format let me continue working while I studied.”
– Program Graduate (University of Central Missouri)
Source: Medical Billing and Coding Professional Certificate verified 2025-10-29
KC Medical Coding Training
Local Training Program
KC Medical Coding Training is a specialized Kansas City-based training provider certified by the Missouri Department of Higher Education & Workforce Development. The program delivers comprehensive medical coding education designed specifically to prepare students for the American Academy of Professional Coders (AAPC) Certified Professional Coder (CPC) examination, one of the most recognized credentials in the medical billing and coding field.
- Program Type: Certificate
- Data Source: Google Search – Local Program
- Format: Online (year-round enrollment)
- Program Duration: Self-paced, flexible scheduling
Program Focus: Students learn principles of medical coding related to the three main coding guidelines: CPT (Current Procedural Terminology), ICD-10-CM Code Set, and HCPCS Level II. Course materials include both textbooks and online resources. Course objectives include identifying the purpose of CPT, ICD-10-CM, and HCPCS within healthcare reimbursement; understanding and applying ICD-10-CM coding guidelines; assigning diagnoses and procedure codes from medical documentation; and providing practical application through operative reports and evaluation and management services.
“The flexible online format allowed me to maintain my job while completing my medical coding certification. KC Medical Coding Training’s instructors were responsive and the curriculum was thorough.”
– KC Medical Coding Training Student
Source: KC Medical Coding Training verified 2025-10-29
Kansas City Community College – Online Medical Billing and Coding with Voucher
Local Training Program
Kansas City Community College offers an Online Medical Billing and Coding program through its career training division, designed for Kansas City residents seeking flexible, accessible education in medical billing and coding. The program uniquely includes a voucher component to support student enrollment and completion, reducing financial barriers for Kansas City students entering this growing healthcare profession.
- Program Type: Certificate
- Data Source: Google Search – Local Program
- Format: Online
- Program Duration: Variable (self-paced)
Program Features: This online training program is designed for flexibility, allowing Kansas City students to plan study time around existing work and family commitments. The voucher component helps offset program costs for eligible students.
Source: Online Medical Billing and Coding Program verified 2025-10-29
Kansas City Medical Coding Training – Advanced Classes
Local Training Program
Kansas City Medical Coding Training provides comprehensive medical coding classes that meet the evolving needs of this profession. The program is structured around competency-based, practical instruction that prepares Kansas City students for professional certification and immediate workplace application of coding principles across diverse healthcare settings.
- Program Type: Certificate/Professional Training
- Data Source: Google Search – Local Program
- Format: Online
- Program Duration: Self-paced, year-round enrollment
Curriculum: The comprehensive curriculum covers CPT, ICD-10-CM, and HCPCS Level II coding standards with both textbook and online materials. Students gain practical application experience with operative reports and evaluation and management services, preparing them for the AAPC CPC certification examination.
Source: KC Medical Coding Training Classes verified 2025-10-29
Compare Kansas City Medical Billing Programs
This comparison table helps you evaluate medical billing and coding programs in Kansas City based on key factors including program type, duration, cost, and format.
| School Name | Program Type | Duration | Tuition (In-State) | Format | Accreditation |
|---|---|---|---|---|---|
| Metropolitan Community College-Kansas City | Certificate | 12 months | See school | On-campus, Hybrid, Online | IPEDS ✓ |
| University of Central Missouri – Certificate Program | Certificate | 18 months | $4,495 | Hybrid/Online | MO Department of Higher Education |
| KC Medical Coding Training | Certificate | Self-paced | See school | Online | MO Department of Higher Education |
| Kansas City Community College – Online Program | Certificate | Self-paced | See school* | Online | Local Program |
| KC Medical Coding Training – Advanced Classes | Certificate | Self-paced | See school | Online | MO Department of Higher Education |
Tuition rates shown are for in-state/in-district students and may vary. *The Kansas City Community College program includes a voucher component that may reduce costs. Contact schools directly for current pricing, financial aid options, and payment plans.
How to Choose a Medical Billing Program in Kansas City
Follow these steps to select the best medical billing and coding program for your career goals in Kansas City.
Step 1: Verify Accreditation Status and Credibility
Confirm the program is accredited or recognized by the appropriate regulatory bodies. IPEDS-accredited institutions like Metropolitan Community College-Kansas City have undergone rigorous evaluation. Local training programs should be certified by the Missouri Department of Higher Education & Workforce Development. Accreditation ensures quality education and may be required for federal financial aid eligibility.
- Check IPEDS database at nces.ed.gov for institutional accreditation verification
- Verify Missouri Department of Higher Education & Workforce Development certification for local programs
- Look for programmatic accreditation from organizations like CAHIIM or ABHES
- Review school performance data and student success metrics
Step 2: Assess Program Format and Schedule Compatibility
Evaluate whether on-campus, hybrid, or online formats fit your schedule, learning style, and life circumstances. Kansas City offers multiple options—MCC-Kansas City provides on-campus and hybrid classes ideal for students preferring in-person instruction, while University of Central Missouri and KC Medical Coding Training offer completely online programs for maximum flexibility. Consider whether evening classes (MCC-Kansas City offers 5:00-7:15 p.m. sessions) work better with your employment situation.
- On-campus programs provide hands-on instruction and immediate instructor access
- Hybrid programs combine online coursework with occasional in-person sessions
- Online programs offer maximum flexibility for working professionals
- Evening and weekend classes accommodate full-time employment
- Self-paced programs allow customized study schedules
Step 3: Compare Program Duration and Cost
Medical billing and coding programs in Kansas City range from 12-18 months for certificates, with tuition from $4,495 to institutional rates. Calculate the total cost of tuition, books, fees, and certification exam preparation. The University of Central Missouri program ($4,495 including books and exam fees) provides transparent pricing, while community college programs may have lower per-credit costs spread over longer timeframes. Consider financial aid options and potential employer sponsorship programs available in Kansas City.
- Compare total program cost including tuition, books, materials, and exam fees
- Request information about payment plans, scholarships, and financial aid
- Calculate cost per credit hour to compare programs fairly
- Ask about employer reimbursement or sponsorship programs in Kansas City
- Consider opportunity cost—time to degree completion versus earning potential
Step 4: Verify Certification Exam Preparation
Ensure the program prepares you specifically for professional certifications recognized by Kansas City employers. The most valuable credential is the Certified Professional Coder (CPC) from AAPC, which multiple Kansas City programs explicitly prepare students to achieve. Verify that curriculum covers the three coding systems—CPT, ICD-10-CM, and HCPCS Level II—which are essential for the certification examination.
- Confirm the program covers all three coding systems: CPT, ICD-10-CM, HCPCS Level II
- Verify the curriculum includes CPC certification exam preparation specifically
- Ask about pass rates for professional certification exams
- Request student testimonials about exam success rates
- Understand which certifications are most valuable in the Kansas City job market
Step 5: Research Local Job Market and Employer Partnerships
Investigate which Kansas City-area healthcare employers hire graduates from each program. Some programs have established partnerships with local hospitals, physician offices, and health insurance companies. Look for programs offering career services, job placement assistance, and connections to Kansas City’s major healthcare employers including research institutions, skilled nursing facilities, and behavioral health organizations mentioned in program materials.
- Ask about job placement rates and post-graduation employment outcomes for Kansas City students
- Inquire about employer partnerships and recruitment relationships
- Research typical entry-level positions available to graduates in the Kansas City area
- Ask for graduate success stories and career advancement examples from Kansas City
- Verify career services and resume/interview support available to students
What Jobs Can You Get After Completing a Kansas City Medical Billing Program?
Completing a medical billing and coding program in Kansas City opens doors to immediate employment opportunities across the region’s extensive healthcare infrastructure. Medical records specialists, medical coders, billing specialists, and coding analysts are in high demand throughout Kansas City hospitals, physician practices, and health insurance companies.
Salary Expectations for Kansas City Medical Billing Professionals
According to Bureau of Labor Statistics OEWS data from May 2023, medical records specialists in the Kansas City metropolitan area earn competitive wages:
- Median Annual Wage: $42,630 per year
- 10th Percentile (Entry-level): Approximately $28,000 annually
- 25th Percentile: Approximately $33,000 annually
- 75th Percentile (Experienced): Approximately $54,000 annually
- 90th Percentile (Advanced): Approximately $67,000+ annually
Kansas City’s median wage aligns with national averages, with opportunities for advancement to supervisory, auditing, and management positions offering salaries exceeding $70,000 annually.
Employment Opportunities in Kansas City’s Healthcare Sector
Kansas City’s robust healthcare infrastructure provides diverse employment settings for medical billing and coding professionals:
- Hospitals and Health Systems: Kansas City’s major hospital networks employ teams of medical coders and billing specialists who process thousands of claims daily, requiring accurate coding and billing expertise.
- Physician Offices and Medical Group Practices: Independent and group practices throughout the Kansas City area employ medical billers to handle patient billing, insurance claims, and accounts receivable.
- Health Insurance Companies and Payers: Multiple insurance carriers based in and serving Kansas City employ medical coders for claims processing, auditing, and quality assurance.
- Skilled Nursing Facilities and Long-Term Care: Growing senior care sector in Kansas City requires medical billers for Medicare and insurance billing.
- Home Health and Hospice Organizations: Kansas City-based home health agencies employ medical billers to manage episode-based billing and patient claims.
- Behavioral Health Facilities: Mental health centers and substance abuse treatment organizations in Kansas City employ coding specialists.
- Research Organizations and Medical Schools: Kansas City medical institutions employ medical records specialists for research and administrative purposes.
- Remote/Virtual Positions: Many Kansas City professionals work remotely for national healthcare companies and medical billing service providers.
Career Advancement Pathways in Kansas City
Medical billing and coding careers in Kansas City offer multiple advancement opportunities. Entry-level coding specialists (CCA or CPC-A credential holders) can advance to:
- Certified Professional Coder (CPC): After gaining experience, Kansas City professionals can achieve full CPC certification with higher earning potential.
- Coding Supervisor/Lead: Experienced coders advance to supervisory roles managing coding teams in Kansas City healthcare organizations, earning $55,000-$70,000+ annually.
- Health Information Manager (HIM): Medical coders can pursue Health Information Management credentials (RHIT, RHIA) to move into management roles overseeing entire medical records and coding departments.
- Auditor or Compliance Specialist: Advanced medical billers can specialize in healthcare auditing and compliance, earning $60,000-$85,000+ annually in Kansas City healthcare organizations.
- Medical Coding Instructor: Experienced Kansas City medical coders can teach at institutions like Metropolitan Community College or training organizations.
Job Growth Projections for Kansas City
The U.S. Department of Labor projects 8% job growth for medical records specialists through 2032 (faster than average occupational growth of 3%). Kansas City’s aging population and expanding healthcare sector create particularly strong local demand. The following factors drive Kansas City’s medical coding job market:
- Aging Population: Greater Kansas City’s demographics include increasing senior population requiring expanded healthcare services and billing processing.
- Telehealth Expansion: Remote medical billing and coding positions enable Kansas City professionals to work for national healthcare companies without relocation.
- Healthcare System Consolidation: Ongoing hospital mergers and acquisitions in Kansas City increase administrative and billing needs.
- Regulatory Compliance: Complex healthcare regulations require experienced medical billers and coders in every Kansas City healthcare setting.
- Revenue Cycle Management: Healthcare organizations prioritize accurate coding and billing to optimize reimbursement, creating consistent demand for skilled professionals.
Medical Billing and Coding Training in Nearby MO Cities
Students in the Kansas City area also have access to medical billing and coding programs in nearby cities throughout Missouri. Exploring programs in neighboring communities can provide additional options for program formats, schedules, and tuition rates. Many students find that programs in nearby cities offer unique advantages such as specialized certifications, evening/weekend classes, or enhanced clinical partnerships.
Additional medical billing and coding programs are available throughout MO. See our complete MO schools directory for more options.
Online Medical Billing and Coding Programs for Kansas City Students
Kansas City residents seeking maximum flexibility can pursue medical billing and coding education through accredited online programs. Online training allows Kansas City students to complete coursework on their own schedule while maintaining work and family commitments. Many online programs include the same certification exam preparation and career services as on-campus options, making them a viable alternative for Kansas City-area professionals.
Popular online medical billing and coding programs available to Kansas City students include:
- University of Central Missouri Certificate Program: The hybrid/online Medical Billing and Coding Professional with Remote Worker Certificate ($4,495 including books and exam) offers structured curriculum designed for remote workers, providing 300 hours of coursework with flexible scheduling ideal for Kansas City working professionals.
- KC Medical Coding Training Online Classes: Kansas City-based provider offering year-round online enrollment with self-paced flexibility. Students learn CPT, ICD-10-CM, and HCPCS Level II coding systems specifically designed to prepare for AAPC CPC certification examination.
- AAPC Online Training: The American Academy of Professional Coders offers self-paced online courses with CPC exam preparation and lifetime access to course materials, available to Kansas City students nationwide.
- AHIMA Online Programs: The American Health Information Management Association provides comprehensive online education for health information technology and coding certifications including CCS and RHIT credentials.
When evaluating online programs, Kansas City students should verify that the program provides:
- Accreditation from recognized agencies (IPEDS, ABHES, Distance Education Accrediting Commission)
- Preparation for professional certifications (CPC, CCS, CCA) valued by Kansas City employers
- Access to practice management software and coding tools matching real-world applications
- Career services and job placement assistance for Kansas City graduates
- Responsive instructor support and student community forums
- Flexible payment plans and financial aid options
For more information about flexible training options, explore available medical billing and coding classes designed for working professionals like yourself.
Frequently Asked Questions About Medical Billing Training in Kansas City
How much do medical billers and coders earn in Kansas City?
According to Bureau of Labor Statistics Occupational Employment and Wage Statistics data from May 2023, medical records specialists in the Kansas City metropolitan area earn a median annual wage of $42,630. Entry-level positions in Kansas City typically start around $28,000-$33,000 annually, while experienced professionals and supervisors earn $54,000-$67,000+ per year. Advancement to coding audit and compliance roles can exceed $75,000 annually in Kansas City healthcare organizations.
Which Kansas City schools offer IPEDS-accredited medical billing programs?
Metropolitan Community College-Kansas City (UNITID: 177995) is the primary IPEDS-accredited institution in Kansas City offering medical billing and coding programs through its Health Information Management program. MCC-Kansas City’s Medical Coding Specialist Certificate provides on-campus, hybrid, and online options. Additionally, programs from University of Central Missouri and other providers are certified by the Missouri Department of Higher Education & Workforce Development, ensuring quality and regulatory compliance in Kansas City.
How long does it take to become a medical biller in Kansas City?
Most Kansas City medical billing certificate programs take 12-18 months to complete. Metropolitan Community College-Kansas City’s Medical Coding Specialist Certificate is a 12-month program with flexible scheduling (evening classes 5:00-9:45 p.m.). The University of Central Missouri certificate is 18 months including 300 hours of coursework. Online self-paced programs from KC Medical Coding Training and Kansas City Community College allow flexible completion timeframes depending on student availability and dedication.
Can I study medical billing online in Kansas City?
Yes, Kansas City offers multiple online medical billing and coding options. The University of Central Missouri Medical Billing and Coding Professional Certificate is available hybrid/online with 18-month duration ($4,495 total). KC Medical Coding Training operates entirely online with year-round enrollment and self-paced scheduling. Metropolitan Community College-Kansas City also offers hybrid and online course options through its HIM program. Online programs provide flexibility while delivering the same quality instruction and certification preparation as on-campus programs.
What certifications do Kansas City medical billers need?
The most widely recognized credential is the Certified Professional Coder (CPC) from the American Academy of Professional Coders (AAPC). Kansas City employers also value CPC-A (Associate) credentials for entry-level positions, with advancement to full CPC certification. Other valuable certifications in Kansas City include Certified Coding Specialist (CCS) from AHIMA, Certified Coding Associate (CCA), and Registered Health Information Technician (RHIT). Most Kansas City medical billing programs specifically prepare students for CPC certification examination, which is the most requested credential in the local healthcare job market.
How much does medical billing training cost in Kansas City?
Kansas City medical billing program costs vary by institution. The University of Central Missouri Medical Billing and Coding Certificate costs $4,495 including books, fees, and exam preparation. Metropolitan Community College-Kansas City offers the Medical Coding Specialist Certificate through community college pricing (typically $100-$150 per credit hour for in-district students). Kansas City Community College’s online program includes a voucher component that may reduce student costs. Contact individual programs for current tuition rates, payment plans, financial aid eligibility, and employer sponsorship options available in Kansas City.
What are the job prospects for medical billers in Kansas City?
Job prospects for medical billers in Kansas City are excellent. The Bureau of Labor Statistics projects 8% growth in medical records specialist positions through 2032, faster than average occupational growth. Kansas City’s healthcare sector is expanding, with hundreds of hospitals, physician offices, health insurance companies, and healthcare organizations requiring skilled medical billers. Remote work opportunities enable Kansas City professionals to work for national healthcare companies. Strong job growth combined with steady demand from local healthcare employers creates favorable career prospects for Kansas City medical billing graduates.
Do I need a degree to work in medical billing in Kansas City?
While a full associate degree is not required to work in medical billing in Kansas City, most employers prefer or require a certificate or formal training. Kansas City medical billing certificate programs (12-18 months) are widely accepted by employers as providing sufficient training. However, obtaining professional certification (CPC, CCS) significantly improves job prospects and earning potential in the Kansas City market. Some Kansas City employers hire high school graduates without certification and provide on-the-job training, but certified professionals advance faster and earn higher salaries.
What’s the difference between medical billing and medical coding?
Medical billing and medical coding are related but distinct roles in Kansas City healthcare. Medical coders review patient medical records and assign appropriate diagnosis codes (ICD-10-CM), procedure codes (CPT, HCPCS), ensuring accurate clinical documentation. Medical billers use the codes assigned by coders to generate insurance claims and send them to payers for reimbursement, manage accounts receivable, and follow up on claim status. Many Kansas City professionals perform both roles, and comprehensive training programs like those in Kansas City cover both coding and billing to prepare versatile healthcare professionals.
Which Kansas City employers hire medical billers and coders?
Major Kansas City employers of medical billers and coders include hospital networks and health systems, independent and group physician practices, health insurance companies, skilled nursing facilities, home health and hospice organizations, behavioral health facilities, medical schools and research organizations, and remote-position providers of medical billing services. Metropolitan Community College maintains relationships with many Kansas City healthcare employers. The Kansas City region’s large healthcare sector with hundreds of organizations creates abundant employment opportunities for medical coding graduates across diverse settings.
How do I get the CPC certification after completing a Kansas City medical billing program?
After completing a Kansas City medical billing program, you can sit for the Certified Professional Coder (CPC-A) examination through the American Academy of Professional Coders (AAPC). Most Kansas City training programs, including Metropolitan Community College and University of Central Missouri, specifically prepare students for this examination. The CPC exam covers CPT, ICD-10-CM, and HCPCS Level II coding systems. After passing the CPC-A exam and gaining one year of coding experience in Kansas City or elsewhere, you can advance to the full CPC credential, which commands higher salaries and greater job opportunities in the Kansas City healthcare market.
Data Sources
- IPEDS (Integrated Postsecondary Education Data System) – School data, enrollment, and accreditation verified 2025-10-29
- Bureau of Labor Statistics OEWS – Occupational Employment and Wage Statistics – Salary and employment data (May 2023)
- Metropolitan Community College-Kansas City official website – Program details verified 2025-10-29
- University of Central Missouri Workforce and Professional Education Programs – Certificate program details verified 2025-10-29
- KC Medical Coding Training official website – Program curriculum and details verified 2025-10-29
- Kansas City Community College Career Training Division – Program information verified 2025-10-29
- AAPC (American Academy of Professional Coders) – CPC certification and exam requirements
- AHIMA (American Health Information Management Association) – HIM and coding credentialing standards
- Missouri Department of Higher Education & Workforce Development – Program accreditation and certification verification
Start Your Medical Billing Career in Kansas City Today
Kansas City’s thriving healthcare sector offers exceptional opportunities for medical billing and coding professionals. Whether you choose the structured, on-campus program at Metropolitan Community College-Kansas City, the affordable, remote-friendly certificate from University of Central Missouri, or a specialized online training program from KC Medical Coding Training, you’ll gain the skills and certifications that Kansas City employers actively seek.
The Kansas City healthcare market values certified coding professionals with hands-on training and demonstrated expertise in CPT, ICD-10-CM, and HCPCS Level II coding systems. With median salaries of $42,630 and strong job growth projections, a medical billing career in Kansas City provides both immediate employment opportunities and long-term advancement potential.
Next steps to launch your medical billing career in Kansas City:
- Visit the program websites above and request detailed information about curriculum, schedules, and tuition
- Schedule tours or attend information sessions at Metropolitan Community College-Kansas City’s Penn Valley Health Science Institute
- Contact programs to learn about financial aid, payment plans, and employer sponsorship opportunities
- Review professional certification requirements and Top Medical Billing and Coding Certifications to understand career advancement paths
- Connect with program alumni to learn about their Kansas City employment experiences and career trajectories
- Explore Career Pathways in Medical Billing and Coding to understand progression from entry-level to advanced roles