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Edit this profileAt a glance
- 5757 Plaza Dr, Mail Stop Ca124-0142, Cypress, CA 90630
About Dr. O'bryant
William B. O'Bryant, M.D. practices internal medicine in Cypress, CA. The provider's National Provider Identifier (NPI) is 1013041003.
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
- (714) 226-6884
- Email not available
Practice Locations
5757 PLAZA DR MAIL STOP CA124-0142
Cypress, CA 90630
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 internists at this location 1
Same specialty, same street address — most likely the same department or group.
Related specialists at this location 8
Clinically related specialties at the same address — the people this provider most likely works alongside.
Also at this address 3
Providers at the same street address. Each files their own registry entry, so a shared practice often appears under several different names.
More connections — 3 related providers in 1 group
Other internists in Cypress 3
Same specialty, same city.
Common questions
What does William B. O'Bryant specialize in?
William B. O'Bryant is an internist in Cypress, CA. That is the designation recorded for this NPI in the federal registry, where it is listed as “Internal Medicine”.
NPI registry
Where is William B. O'Bryant located?
William B. O'Bryant is listed at 5757 Plaza Dr Mail Stop Ca124-0142, Cypress, CA 90630. Addresses come from the NPI registry and can lag a move, so confirm before travelling.
NPI registry
What is William B. O'Bryant's phone number?
The number on file is (714) 226-6884. Contact the office directly to confirm availability and scheduling.
NPI registry
What is the NPI for William B. O'Bryant?
William B. O'Bryant's National Provider Identifier is 1013041003. 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 much experience does William B. O'Bryant have?
William B. O'Bryant has 19+ years experience. Registered with an NPI since 2007. National Provider Identifiers only began in 2005, so a provider who qualified earlier may have practiced for longer than this.
NPI registry
Is William B. O'Bryant's profile verified?
Not yet. This profile is built from public federal data and has not been confirmed by William B. O'Bryant. If this is you, claiming it is free.
Guide.md
Guide.md listings do not constitute medical advice or an endorsement.