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Dr. Tim W. Grennan, MD


Dr. Grennan's Overview

Dr. Tim W. Grennan graduated from the University of Nebraska College of Medicine in 1976. He works in Sacramento, CA and specializes in Hematology/Oncology. Dr. Grennan is affiliated with Kaiser Permanente Sacramento Medical Center.

Dr. Grennan's Experience

Years in Practice: 39

Conditions Treated by Dr. Grennan

  • Not Available

Procedures Performed by Dr. Grennan

Dr. Grennan's Specialties


Dr. Grennan's Education & Training

Medical School: University of Nebraska College of Medicine; Graduated 1976

Dr. Grennan's Rating

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

  • Kaiser Permanente

Dr. Grennan's Office Information & Appointments

Office Locations

Kaiser Permanente Medical Group
Kaiser Permanente Sacramento Medical Center

2025 Morse Ave
Sacramento, CA 95825
(916) 973-5000


Office Hours and Information

Fax: (916) 614-4474

Practice Website:

Accepting New Patients: Yes

Medicare Accepted: Yes

Medicaid Accepted: Yes

Not Available

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Dr. Grennan's Hospital Affiliations

Office Locations

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