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PRN Medical Assistant

Job in St. Louis, Saint Louis, St. Louis city, Missouri, 63105, USA
Listing for: Marathon Health
Per diem position
Listed on 2026-02-01
Job specializations:
  • Healthcare
    Medical Assistant
Salary/Wage Range or Industry Benchmark: 20 - 25 USD Hourly USD 20.00 25.00 HOUR
Job Description & How to Apply Below
Location: St. Louis

PRN Medical Assistant – Marathon Health

Marathon Health is a leading provider of advanced primary care in the U.S., serving 2.5 million eligible patients through approximately 630 employer and union‑sponsored clients. We offer comprehensive services including advanced primary care, mental health, occupational health, musculoskeletal, and pharmacy services delivered through our 680+ health centers across 41 states, as well as virtual primary care and mental health services accessible in all 50 states.

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

Essential Duties and Responsibilities
  • Escort patients to room 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; work with contracted labs for additional tests.
  • Prepare and administer approved medications and immunizations via oral, topical, inhaled, intramuscular, subcutaneous or intradermal at the direction of and upon written order from the provider.
  • Partner with other members of the care team to develop individual patient care plans, including identifying and working to address gaps in care.
  • Front desk duties, including patient scheduling, medical record requests and abstraction, documentation, coordinate specialist visits, referrals, and other care outside of the clinic, check‑in, check‑out, etc.
  • Record accurate and pertinent data in the medical record according to documentation guidelines.
  • Process test results and provide the patient with timely results via e‑message, mail or phone as directed in written instructions 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 working as a Medical Assistant, preferably in primary care (may vary based on clinic needs).
  • Graduation from a formal Medical Assistant program or other related program.
  • National or state‑specific MA certification or registration is strongly preferred; required where certification/registration is mandatory.
  • CPR/BLS certification required at time of start date.
  • Phlebotomy experience is preferred.
Benefits and Highlights
  • Competitive health benefits start the 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–$25.00/hr (actual offer may vary by geographic location, years of experience and/or skill level).
  • Part‑time schedule with flexibility.
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