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Edit this profileAt a glance
- 2101 N Waterman Ave, San Bernardino, CA 92404
About Dr. Ahnn
William B. Ahnn, M.D. practices anesthesiology in San Bernardino, CA. William is also listed as specializing in anesthesiology — pain medicine. The provider's National Provider Identifier (NPI) is 1457338683.
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
- (909) 883-3711
- Email not available
Practice Locations
2101 N WATERMAN AVE
San Bernardino, CA 92404
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 anesthesiologists at this location 5
Same specialty, same street address — most likely the same department or group.
Related specialists at this location 1
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 — 19 related providers in 3 groups
Other anesthesiologists in San Bernardino 3
Same specialty, same city.
Trained at Other 8
Other providers in the same specialty who trained at the same institution.
Class of 1969 at Other 8
Providers who graduated from the same medical school in the same year.
Common questions
What is William B. Ahnn's specialty?
William B. Ahnn is an anesthesiologist in San Bernardino, CA. That is the designation recorded for this NPI in the federal registry, where it is listed as “Anesthesiology”.
NPI registry
Where can I find William B. Ahnn?
William B. Ahnn is listed at 2101 N Waterman Ave, San Bernardino, CA 92404. Addresses come from the NPI registry and can lag a move, so confirm before travelling.
NPI registry
How do I contact William B. Ahnn?
The number on file is (909) 883-3711. Contact the office directly to confirm availability and scheduling.
NPI registry
What is the NPI for William B. Ahnn?
William B. Ahnn's National Provider Identifier is 1457338683. 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
What is William B. Ahnn's education?
William B. Ahnn attended Other, graduating in 1969. This comes from the CMS National Downloadable File.
CMS public data
How much experience does William B. Ahnn have?
William B. Ahnn has 57 years experience. Calculated from a graduation year of 1969, reported in the CMS National Downloadable File.
CMS public data
Is William B. Ahnn's profile verified?
Not yet. This profile is built from public federal data and has not been confirmed by William B. Ahnn. If this is you, claiming it is free.
Guide.md
Guide.md listings do not constitute medical advice or an endorsement.