Dr. Tim Grennan, MD

Dr. Tim Grennan, MD

Oncology  |  
Male  |  
Age 67
(1)
Insurances AcceptedSave
Dr. Tim Grennan, MD is an oncology doctor who practices in Marysville, CA. He is 67 years old and has been practicing for 41 years. Dr. Grennan is affiliated with Kaiser Permanente Sacramento Medical Center.

726 4th St

Marysville, CA 95901

Contact Information

(530) 749-4461

Insurance Accepted

  • Kaiser Permanente

*Please verify this information when scheduling an appointment.

Learn about Dr. Grennan

Be confident in your decisions by checking out your provider's top areas of care, education, patient reviews and more. Learn about finding the right doctor for you

Top Care Areas

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See how frequently Dr. Grennan performs your care needs compared to other doctors.

Breast Diseases
normal
more than 62% of peers
Cancer
normal
more than 38% of peers
Gynecologic Cancer
normal
more than 36% of peers

Dr. Grennan's percentages are based on the rate of treatment compared to peers nationwide from insurance data. Learn more info about our data and this Top Care Areas component.

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2

Specialties

  • Oncology
  • Medical Oncology
2

Board Certifications

  • Internal Medicine
    Accredited by: American Board of Internal Medicine*
  • Medical Oncology
    Accredited by: American Board of Internal Medicine*
32

Conditions Treated

  • Acute Leukemia
  • Acute Myeloid Leukemia
  • All Lymphoma
  • Anemia
  • Blood Disorders
  • Bone Cancer
  • Bone Disorders
  • Breast Cancer
  • Breast Diseases
  • Cancer
  • Colorectal Cancer
  • ENT Cancer
  • Esophageal Cancer
  • Esophageal Diseases
  • Gastrointestinal Diseases
  • Gynecologic Cancer
  • Head and Neck Cancer
  • Lung Cancer
  • Mycosis Fungoides
  • Myeloma
  • Myeloproliferative Disorders
  • Neuroendocrine Tumors
  • Neutropenia
  • Nodular Lymphoma
  • Non-Hodgkin's Lymphoma
  • Ovarian Cancer
  • Pancreatic Cancer
  • Pulmonary Disease
  • Secondary Malignancies
  • Sickle Cell Disease
  • Urinary Disorders
  • Vascular Disease

More

Read More

Background Check

0 Malpractice Claims

No malpractice history found for California.

0 Sanctions

No sanctions history found for the years that Healthgrades collects data.

0 Board Actions

No board actions found for the years that Healthgrades collects data.

Education

  • University Of Nebraska / College Of Medicine
    Medical School | Graduated 1976

Awards & Recognition

Awards & Honors
  • Healthgrades Honor Roll
Media & Publications

Dr. Grennan has no media or publications listed.

Languages Spoken

  • English

Memberships & Professional Affiliations

Dr. Grennan does not have any memberships or affiliations listed. If you are Dr. Grennan and would like to add memberships or affiliations, please update your profile.

Dr. Grennan's Reviews

Likelihood of recommending Dr. Grennan to family and friends
3.0
based on 1 review
Dr. Grennan's Performance
  • Trustworthiness
    GOOD
  • Explains condition(s) well
    GOOD
  • Answers Questions
    VERY GOOD
  • Time well spent
    VERY GOOD
Office & Staff Performance
  • Scheduling
    GOOD
  • Office environment
    VERY GOOD
  • Staff friendliness
    EXCELLENT
  • Average wait time
    10 to 15 minutes
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Visit Dr. Grennan

Dr. Grennan accepts 1 insurance carrier
  • Kaiser Permanente

*Please verify this information when scheduling an appointment.

Hospitals where Dr. Grennan has admitting privileges

Kaiser Permanente Sacramento Medical Center
2025 Morse Ave
Sacramento, CA 95825
View Hospital Profile

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