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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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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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