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Dr. Jennifer S. Knowles, MD

Cardiovascular Disease

Dr. Knowles's Overview

Dr. Jennifer S. Knowles graduated from the University of Tennessee College of Medicine at Memphis in 1979. She works in Fontana, CA and specializes in Cardiovascular Disease and Internal Medicine. Dr. Knowles is affiliated with Kaiser Permanente Fontana Medical Center.

Dr. Knowles's Experience

Years in Practice: 36

Procedures Performed by Dr. Knowles

Dr. Knowles's Specialties

Cardiovascular Disease, Internal Medicine

Dr. Knowles's Education & Training

Medical School: University of Tennessee College of Medicine at Memphis; Graduated 1979

Dr. Knowles's Rating

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Overall Rating


  • Explains conditions & treatments
  • Takes time to answer my questions
  • Provides follow-up as needed
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Dr. Knowles's Accepted Insurance

  • Kaiser Permanente

Dr. Knowles's Office Information & Appointments

Office Locations

Kaiser Permanente Medical Group
Kaiser Permanente Fontana Medical Center

9961 Sierra Ave
Fontana, CA 92335
(909) 427-5000


Office Hours and Information

Fax: (909) 427-7366

Practice Website:

Accepting New Patients: Yes

Medicare Accepted: Yes

Medicaid Accepted: Yes

Monday 8:30 AM - 5:00 PM
Tuesday 8:30 AM - 5:00 PM
Wednesday 8:30 AM - 5:00 PM
Thursday 8:30 AM - 5:00 PM
Friday 8:30 AM - 5:00 PM
Saturday 8:00 AM - 5:00 PM
Sunday 8:00 AM - 5:00 PM

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Dr. Knowles's Hospital Affiliations

Office Locations

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