Diablo Valley Onocology - Jewel Johl MD
Hematology & Oncology Physician · Oncologist in Walnut Creek, CA
Provider details
- Specialty
- Hematology & Oncology Physician
- Credentials
- MD
- NPI number
- 1407852858
Checked against the CMS National Provider Identifier registry on October 2, 2026.
Medicare information
- Medical school
- Loyola University of Chicago, Stritch School of Medicine, graduated 1998
- Also sees patients at
- Bass Medical Group
575 Lennon Ln, Walnut Creek, CA 94598 · (925) 378-4512
- Bass Medical Group
- Hospital affiliations
- Contra Costa Regional Medical Center, Martinez, CA · Medicare rating 4 out of 5 stars
- John Muir Medical Center - Walnut Creek Campus, Walnut Creek, CA · Medicare rating 2 out of 5 stars
- John Muir Medical Center - Concord Campus, Concord, CA · Medicare rating 4 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 3, 2026. Ratings are Medicare’s, not Know Cancer’s. Medicare Care Compare
About
Diablo Valley Onocology - Jewel Johl MD is a hematology & oncology physician in Walnut Creek, California, registered with the federal National Provider Identifier (NPI) registry. They attended Loyola University of Chicago, Stritch School of Medicine, graduating in 1998. Contact the provider directly to confirm services, hours and accepted insurance.
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