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Edit this profileAt a glance
- 2500 Alhambra Ave, Martinez, CA 94553
About Donald Widder
Based in Martinez, CA, Donald Widder is listed in the NPI registry under family medicine. Donald graduated from Stanford University School of Medicine in 1975. NPI 1033287529 identifies this record in the national registry.
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) 370-5110
- Email not available
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.
Other family doctors at this location 8
Same specialty, same street address — most likely the same department or group.
Related specialists at this location 2
Clinically related specialties at the same address — the people this provider most likely works alongside.
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.
More connections — 17 related providers in 3 groups
Trained at Stanford University School of Medicine 8
Other providers in the same specialty who trained at the same institution.
Class of 1975 at Stanford University School of Medicine 8
Providers who graduated from the same medical school in the same year.
Common questions
What does Donald Widder specialize in?
Donald Widder is a family doctor in Martinez, CA. That is the designation recorded for this NPI in the federal registry, where it is listed as “Family Medicine”.
NPI registry
Where is Donald Widder located?
Donald Widder 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
What is Donald Widder's phone number?
The number on file is (925) 370-5110. Contact the office directly to confirm availability and scheduling.
NPI registry
What is the NPI for Donald Widder?
Donald Widder's National Provider Identifier is 1033287529. 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 Donald Widder train?
Donald Widder attended Stanford University School of Medicine, graduating in 1975. This comes from the CMS National Downloadable File.
CMS public data
How much experience does Donald Widder have?
Donald Widder has 51 years experience. Calculated from a graduation year of 1975, reported in the CMS National Downloadable File.
CMS public data
Is Donald Widder's profile verified?
Not yet. This profile is built from public federal data and has not been confirmed by Donald Widder. If this is you, claiming it is free.
Guide.md
Guide.md listings do not constitute medical advice or an endorsement.