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About

Summary: Oklahoma Heart Hospital (OHH) is a private, all-digital cardiovascular hospital founded in 2002 and based in Oklahoma City. It focuses on heart, pulmonary, and pain management care and emphasizes physician ownership and patient-first service. While the company has multiple offices in Oklahoma City, the provided data shows no Stillwater location. If you’re seeking OHH services in Stillwater, there is no listed Stillwater facility; the nearest offices are in Oklahoma City (HQ and additional locations). For more details or appointment options, visit okheart.com or call 405-608-3200 / (877) 621-8014.

Clinic Type

Cardiology

Address

709 S. Western, Stillwater, OK 74074

Phone

4056246700

Email

humanresources@okheart.com

Opening Hours

Not published — contact the clinic to confirm hours.

Services Offered

Team

  • Vanzant, Gregory B. D.O., FACC — Cardiovascular Disease

Insurance & Payment

Languages Spoken

Photos

What Patients Say

Overall sentiment across review platforms: positive

  • CMS HCAHPS (national standard): 5 out of 5 stars (overall hospital rating) (1,189 patient surveys)

Patients praise

  • High patient satisfaction ratings nationally
  • Strong nurse and doctor communication
  • Clean and quiet facility environments
  • Culture of patient advocacy

Common complaints

  • Billing disputes related to late billing of services

"The Oklahoma Heart Hospital is the most amazing experience I have had... everyone embraces the culture of patient advocacy."

Patient testimonial on Oklahoma Heart Hospital website

"Received a bill for services provided in March 2024 this November 2025. Over a year past when the services were rendered."

Better Business Bureau (BBB) user complaint

Synthesized from public review platforms as of Jul 11, 2026 — sources: [1][2][3][4].

Information sourced from the clinic's website as of July 11, 2026.

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