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About

Summary: The Fontana Medical Center is a Kaiser Permanente facility based in Fontana, California, offering healthcare services and benefits to its patients. The center is part of Kaiser Permanente Southern California and has a small local team (2 employees) with medical staff covering all core departments. The provided details include contact emails and multiple phone numbers, and indicate operations in the United States (Fontana) and Nigeria. The page highlights its categories as healthcare, benefits, appointments, coverage, and medical services. If you’re seeking cardiology services specifically, this entry confirms a general medical center under Kaiser Permanente, but does not provide specific cardiology program or specialists. For cardiology, you may want to contact the center or check Kaiser Permanente Southern California’s cardiology services and appointment options.

Clinic Type

Cardiology

Address

9961 Sierra Ave, Medical Office Building 3, Fontana, CA 92335

Phone

1-866-454-3485

Email

directoryupdate@kp.org

Opening Hours

Office hours: Monday through Friday, 8:30 a.m. to 3:30 p.m. and 4 to 5 p.m. Walk-in EKG: Monday through Friday, 8:00 a.m. to 4:15 p.m.

Services Offered

  • Cardiology clinic
  • Walk-in EKG
  • Office visits
  • Clinician consultations

Insurance & Payment

Languages Spoken

FAQs

Walk-in EKG availability

Walk-in EKG: Monday through Friday, 8:00 a.m. to 4:15 p.m.

What is the address for Fontana Medical Center Cardiology

9961 Sierra Ave, Medical Office Building 3 Fontana, CA 92335

Photos

What Patients Say

Overall sentiment across review platforms: mixed

  • Birdeye: 3.3/5 stars (1,496 reviews)
  • U.S. News & World Report (Cardiology specific): 3/5 stars (5 reviews)

Patients praise

  • Caring and supportive nursing and medical staff
  • Professionalism of certain physicians
  • Effective care in specific departments

Common complaints

  • Long wait times for appointments and at the facility
  • Billing and administrative issues, particularly regarding refunds
  • Concerns about misdiagnosis or ineffective treatment plans

"Love our doctor the nurses are great my biggest complaint is how long it takes to get a refund."

Birdeye Review

"One of the sweetest doctors I've ever seen at Kaiser... He left me waiting for over and hour and wasn't at all helpful."

Healthgrades Review

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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