Greenbrook Medical

Greenbrook Medical

Senior-focused primary care network

Overview

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.

About Greenbrook Medical

Simplify's Rating
Why Greenbrook Medical is rated
B-
Rated B on Competitive Edge
Rated B on Growth Potential
Rated C on Differentiation

Industries

Healthcare

Company Size

11-50

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

Headcount

6 month growth

0%

1 year growth

0%

2 year growth

0%

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