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PRN Medical Assistant

Job in Creve Coeur, St. Louis County, Missouri, USA
Listing for: Marathon Health
Per diem position
Listed on 2026-01-12
Job specializations:
  • Healthcare
    Medical Assistant
Salary/Wage Range or Industry Benchmark: 20 - 24 USD Hourly USD 20.00 24.00 HOUR
Job Description & How to Apply Below

PRN Medical Assistant

Marathon Health, a leading provider of advanced primary care in the U.S., invites you to join our team as a PRN Medical Assistant. We serve 2.5 million eligible patients through approximately 630 employer and union-sponsored clients across 41 states, with 680+ health centers and virtual care services in all 50 states.

Highlights of Working at Marathon Health
  • Competitive health benefits that start 1st of the month after start date
  • 15 days of PTO plus paid holidays
  • No out-of-pocket cost for scrubs
  • Pay Range: $20.00–$24.00/hr (actual offer may vary based on location, experience, and skill level)
About Us

Marathon Health builds a trusted, accessible, and personalized healthcare experience alongside patients and clients. With 20+ years of experience, we are guided by our core principles of Patients First, Courage, Ingenuity, Community, and Fun.

About the Role

We are currently looking for an experienced Medical Assistant to join our team. The Medical Assistant works closely with a primary care physician to deliver excellent patient care and provide an exceptional guest experience. Because of our unique model, our Medical Assistants oversee the full spectrum of the patient experience—acting as a Medical Receptionist and fulfilling clinical responsibilities.

Essential Duties and Responsibilities
  • Escort patients to rooms and ensure that exam rooms are thoroughly cleaned and stocked
  • Review previous medical information and gather any relevant updated health information from the patient to inform the provider
  • Take vitals, perform blood draws, give injections, bandage wounds, assist with procedures, and work with contracted labs for additional tests
  • Prepare and administer approved medications and immunizations per provider orders
  • Partner with other care team members to develop individual patient plans of care, identifying and addressing gaps
  • Front desk duties including patient scheduling, medical record requests and abstraction, documentation, specialist visits, referrals, and other care coordination, as well as check‑in and check‑out
  • Record accurate and pertinent data in the medical record according to documentation guidelines
  • Process test results and provide patients with timely results via e‑message, mail, or phone as directed by the provider
  • Participate in outreach to patients to drive engagement among eligible patient groups
  • Maintain clinical and office supplies and equipment for treatments
About You
  • Minimum of 1 year of experience as a Medical Assistant, preferably in primary care (may vary based on clinic needs)
  • Graduation from a formal Medical Assistant program or a related program
  • National or state‑specific MA certification or registration strongly preferred; required in states where certification/registration is mandatory
  • CPR/BLS certification required at the time of start date
  • Phlebotomy experience preferred
Seniority Level

Entry level

Employment Type

Part‑time (PRN)

Job Function

Health Care Provider

Industries

Hospitals and Health Care

Location:

Creve Coeur, MO

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