Medical Assistant: Role, Training, Forecast & CNA Comparison

Medical assistants are essential healthcare professionals who bridge clinical and administrative functions in outpatient and facility-based medical settings. As of 2023, there were approximately 783,900 medical assistants employed in the United States. The field is projected to grow by 15% from 2023 to 2033, reaching over 900,000 jobs by 2033.

This guide explores what medical assistants do, how their responsibilities compare to Certified Nursing Assistants (CNAs), training requirements, and updated 2025 salary information based on national employment data.

What Do Medical Assistants Usually Do?

Medical assistants work alongside physicians and nurses, performing duties that vary by state laws and the type of practice. They serve both in front-office roles and clinical settings.

Clinical Tasks

Medical assistants are commonly responsible for:

• Measuring patient vital signs like blood pressure and temperature

• Assisting during physical exams and minor procedures

• Administering injections or vaccines as permitted

• Collecting and preparing specimens for laboratory testing

• Performing EKGs and routine diagnostics

Administrative Tasks

On the administrative side, they:

• Manage patient appointments and front-desk activities

• Update and maintain electronic health records (EHR)

• Assist with insurance paperwork and medical billing

• Order office and medical supplies

• Communicate test results and follow-up instructions under physician direction

How to Become a Medical Assistant

Education and Certification

Most employers require completion of a medical assisting program, which leads to a certificate, diploma, or associate’s degree. These programs are commonly offered at community colleges and vocational schools and take one to two years.

Courses include:

• Anatomy and physiology

• Medical terminology

• Pharmacology

• Medical law and ethics

• Clinical lab procedures

Programs must be accredited by organizations such as:

• Commission on Accreditation of Allied Health Education Programs (CAAHEP)

• Accrediting Bureau of Health Education Schools (ABHES)

Certification Options

Certification, while not always legally required, is highly recommended and often preferred by employers. Popular credentials include:

• Certified Medical Assistant (CMA) – AAMA

• Certified Clinical Medical Assistant (CCMA) – NHA

• Registered Medical Assistant (RMA) – AMT

• National Certified Medical Assistant (NCMA) – NCCT

Additional credentials like Basic Life Support (BLS) are frequently required.

Medical Assistant vs. CNA: Key Differences

Medical assistants and Certified Nursing Assistants (CNAs) are both integral to patient care, but their training, duties, and scope of work differ.

Medical assistants are cross-trained for both clinical and clerical functions, while CNAs focus exclusively on direct personal care.

Specialty Roles and Regional Differences

Salaries can vary significantly depending on geography and specialization. Medical assistants in Alaska earn some of the highest average wages, exceeding $57,000 per year. In urban areas of California and Washington, salaries often exceed $50,000.

Specialized medical assistants in fields such as ophthalmology or cardiology may also command higher wages:

• Ophthalmic medical assistant: $54,338

• Podiatric medical assistant: $54,116

• Plastic surgery assistant: $49,457

• Emergency medicine assistant: $46,271

• Cardiology assistant: $45,859

Job Outlook

The U.S. Bureau of Labor Statistics projects that medical assistant employment will grow by 15% from 2023 to 2033—much faster than the average for all occupations. This growth will result in approximately 119,800 job openings per year. Demand is driven by:

• Growth in the aging population

• Expansion of outpatient and preventive care

• Delegation of routine tasks from doctors to assistants

This strong outlook reflects the profession’s critical role in both patient-facing care and office administration.

Required Skills and Core Competencies

To succeed as a medical assistant, candidates should demonstrate:

• Analytical thinking: For interpreting diagnostic data and medical charts

• Interpersonal skills: For patient interaction and team collaboration

• Attention to detail: For maintaining accurate medical records

• Time management: For handling administrative and clinical duties simultaneously

• IT literacy: Especially in EHR systems like Epic or MEDITECH

• Compassion: For working with patients who may be anxious or unwell

Conclusion

Medical assistants play a versatile and growing role in healthcare, offering a combination of clinical skills and administrative support. They differ substantially from CNAs in their scope and training, making them an ideal entry point for those seeking a career in healthcare with a blend of responsibilities.

With rising demand and competitive wages across the U.S., becoming a certified medical assistant is a compelling career path in 2025 and beyond.

Sources:

• U.S. Bureau of Labor Statistics

• Indeed Medical Assistant Salaries 2025

• ZipRecruiter Salary Reports

• IntelyCare Wage Reports

• AAMA Certification Info