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Edit this profileAt a glance
- 2500 Alhambra Ave, Martinez, CA 94553
About Dr. Patresan
John W. Patresan, MD practices hematology & oncology in Martinez, CA. The provider's National Provider Identifier (NPI) is 1023644978.
Factual summary compiled by Guide.md from public records; not written by this provider.
Education & Training
Specialty
Credentials & Licensing
Medicare information
Exactly as CMS reports it (National Downloadable File, Opt-Out Affidavits, Order & Referring). Not an insurance directory; confirm coverage with the office.
Contact Information
- (925) 370-5000
- Email not available
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Practice Locations
2500 ALHAMBRA AVE
Martinez, CA 94553
Related providers
Connections drawn from the registry and from what providers have told us. A link here is not a referral or an endorsement.
Also at this address 4
Providers at the same street address. Each files their own registry entry, so a shared practice often appears under several different names.
Other cancer specialists in Martinez 5
Same specialty, same city.
Trained at Other 8
Other providers in the same specialty who trained at the same institution.
More connections — 8 related providers in 1 group
Class of 2020 at Other 8
Providers who graduated from the same medical school in the same year.
Common questions
What kind of doctor is Dr. Patresan?
Dr. Patresan is a cancer specialist in Martinez, CA. That is the designation recorded for this NPI in the federal registry, where it is listed as “Hematology & Oncology”.
NPI registry
What is Dr. Patresan's address?
Dr. Patresan is listed at 2500 Alhambra Ave, Martinez, CA 94553. Addresses come from the NPI registry and can lag a move, so confirm before travelling.
NPI registry
How can I make an appointment with Dr. Patresan?
The number on file is (925) 370-5000. Contact the office directly to confirm availability and scheduling.
NPI registry
What is Dr. Patresan's NPI number?
Dr. Patresan's National Provider Identifier is 1023644978. It is issued by the Centers for Medicare & Medicaid Services and is unique and permanent — it does not change if they move practice.
NPI registry
Where did Dr. Patresan train?
Dr. Patresan attended Other, graduating in 2020. This comes from the CMS National Downloadable File.
CMS public data
How long has Dr. Patresan been practicing?
Dr. Patresan has 6 years experience. Calculated from a graduation year of 2020, reported in the CMS National Downloadable File.
CMS public data
Has Dr. Patresan confirmed this information?
Not yet. This profile is built from public federal data and has not been confirmed by Dr. Patresan. If this is you, claiming it is free.
Guide.md
Guide.md listings do not constitute medical advice or an endorsement.