John Timmerman, Univ of California LA
Hematology & Oncology Physician · MD · Oncologist in Los Angeles, CA
Provider details
- Specialty
- Hematology & Oncology Physician
- Also registered as
- Internal Medicine Physician
- Credentials
- MD
- NPI number
- 1891715090
Checked against the CMS National Provider Identifier registry on October 2, 2026.
Medicare information
- Medical school
- Boston University School of Medicine, graduated 1991
- Group practice
- The Regents of the University of California
- Hospital affiliations
- Ronald Reagan UCLA Medical Center, Los Angeles, CA · Medicare rating 4 out of 5 stars
- Santa Monica - UCLA Med Ctr & Orthopaedic Hospital, Santa Monica, CA · Medicare rating 5 out of 5 stars
- Medicare
- Accepts Medicare assignment (the Medicare-approved amount as full payment)
- Telehealth
- Offers telehealth visits
From Medicare’s public Care Compare data (Doctors and Clinicians), checked October 2, 2026. Ratings are Medicare’s, not Know Cancer’s. Medicare Care Compare
About
John Timmerman, Univ of California LA, MD, is a hematology & oncology physician in Los Angeles, California, registered with the federal National Provider Identifier (NPI) registry. Other registered specialties: Internal Medicine Physician. They attended Boston University School of Medicine, graduating in 1991. Contact the provider directly to confirm services, hours and accepted insurance.
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