Are you James M. Diffley, M.D.? This profile is yours to edit: update your address, phone, photo and services.
Edit this profileAt a glance
- 747 52Nd St, Oakland, CA 94609
About Dr. Diffley
James M. Diffley, M.D. is a healthcare provider in Oakland, CA specializing in pediatrics. This provider record is associated with NPI 1780974626.
Factual summary compiled by Guide.md from public records; not written by this provider.
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
- (510) 842-3938
- Email not available
Practice Locations
747 52ND ST
Oakland, CA 94609
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 pediatricians at this location 6
Same specialty, same street address — most likely the same department or group.
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.
Common questions
What kind of doctor is James M. Diffley?
James M. Diffley is a pediatrician in Oakland, CA. That is the designation recorded for this NPI in the federal registry, where it is listed as “Pediatrics”.
NPI registry
What is James M. Diffley's address?
James M. Diffley is listed at 747 52Nd St, Oakland, CA 94609. Addresses come from the NPI registry and can lag a move, so confirm before travelling.
NPI registry
How can I make an appointment with James M. Diffley?
The number on file is (510) 842-3938. Contact the office directly to confirm availability and scheduling.
NPI registry
What is James M. Diffley's NPI number?
James M. Diffley's National Provider Identifier is 1780974626. 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
How long has James M. Diffley been practicing?
James M. Diffley has 15+ years experience. Registered with an NPI since 2011. National Provider Identifiers only began in 2005, so a provider who qualified earlier may have practiced for longer than this.
NPI registry
Has James M. Diffley confirmed this information?
Not yet. This profile is built from public federal data and has not been confirmed by James M. Diffley. If this is you, claiming it is free.
Guide.md
Guide.md listings do not constitute medical advice or an endorsement.