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Greenbrook Medical

Senior-focused primary care network

Medical Assistant

Full-TimeUpdated on 10/23/2026
$19 - $25/hr+ Annual performance bonus + 401(k) match
Mid
Riverview, FL, USA
In PersonLocal travel may be required to help cover other centers.
Medical, Clinical & VeterinaryClinical Support & Patient Administration

About the job

Requirements
  • At least 3 years of experience as a medical assistant; primary care experience is preferred.
  • Confidence with taking vitals, drawing blood, performing electrocardiograms, and conducting basic laboratory work.
  • Ability to communicate effectively with patients and teammates.
  • Ability to multitask and stay organized in a fast-paced clinic.
  • Ability to remain composed and professional during busy periods.
Responsibilities
  • Take and record patient vitals, medical histories, and medication lists.
  • Prepare patients for examinations so providers can focus on care.
  • Administer medications, injections, and treatments as directed by the provider.
  • Draw blood and run basic laboratory tests.
  • Perform electrocardiograms and pulmonary function tests.
  • Document accurately in the electronic medical record and maintain clean patient records.
  • Coordinate scheduling and follow-up appointments.
  • Answer patient questions promptly and provide concierge-level support.
  • Partner with providers and staff to create seamless patient experiences.
  • Help cover other areas of the clinic when needed.
  • Uphold the clinic's standards of care and patient-first approach.
Desired Qualifications
  • Certified Medical Assistant (CMA) certification.
  • Ability to speak both English and Spanish.
  • Taking ownership and identifying ways to improve clinic operations.

About the company

Greenbrook Medical runs a network of primary care clinics in the Tampa Bay area that focus exclusively on people 65 and older. It provides long, appointment-based visits with a small number of patients per doctor to build strong doctor–patient relationships. Care is delivered through a dedicated team with 24/7 access, on-site labs, EKGs, circulation testing, joint injections, skin biopsies, plus help with referrals and transportation. They partner with Tampa General Hospital on the TGH Senior Center to extend senior-focused care. The company differentiates itself by limiting patient load per physician, offering same or next-day availability and minimal wait times, and by maintaining continuity of care with the same doctor at every visit. Their goal is to deliver patient-centered, comprehensive geriatric care and support for chronic conditions like diabetes, hypertension, arthritis, and heart disease, while expanding access through partnerships and Medicare Advantage relationships.

Company Size

51-200

Company Stage

N/A

Total Funding

N/A

Headquarters

Bayonet Point, Florida

Founded

2021

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Simplify's Take

What believers are saying

  • Greenbrook’s website added UnitedHealthcare Medicare Advantage acceptance on June 9, 2026.
  • TGH opened Brandon and Spring Hill centers in September 2025, extending Greenbrook’s footprint.
  • Hiring for Winter 2026-27 expansion signals management expects growth into New Port Richey and Brooksville.

What critics are saying

  • Revenue depends heavily on Medicare Advantage contracts; UnitedHealthcare enrollment changes hit 2026 volumes.
  • Tampa General owns the senior-center brand; TGH can replace Greenbrook’s operating role.
  • A Florida Blue or Humana network shift would crush referrals and trigger clinic closures.

What makes Greenbrook Medical unique

  • Greenbrook has served Tampa Bay seniors since 1991, not a startup experiment.
  • TGH Senior Center, opened 2024 and expanded in 2025, deepens Greenbrook’s hospital alliance.
  • Limited patient panels, same-doctor continuity, and 24/7 access create sticky senior relationships.

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Benefits

  • Health Insurance
  • Dental Insurance
  • Vision Insurance
  • Paid Vacation
  • Paid Sick Leave
  • 401(k) Retirement Plan
  • 401(k) Company Match
  • Hybrid Work Options
  • Performance Bonus

Growth & Insights

6 month growth

-8%

1 year growth

-8%

2 year growth

-8%