Provider records sourced from NPPES (CMS National Plan & Provider Enumeration System). Data current as of August 10, 2026.
NPIDirectory

Aidan P. O'Brien, MD, Inc

Organization Anesthesiology Physician · NPI 1841224193

Aidan P. O'Brien, MD, Inc is an Anesthesiology Physician in Whittier, California. Licensed in California. Registered with an NPI since 2006.

Licensed in
CA
In the registry since
2006
What do these letters mean?
Inc — Incorporated
A form of business registration, not a clinical qualification.

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Practice location Address checks out

12401 Washington Blvd
Whittier, CA 90602-1006
Phone: (800) 883-7243
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Pin is approximate — placed at the ZIP-code centre, not the exact door.

Specialties & licences

Anesthesiology Physician (primary) Taxonomy 207L00000X · Licence C39688 (CA)

Record details

NPI number1841224193
Entity typeOrganization (Type 2)
Organization subpartNo
Authorized official Aidan O'Brien — President · (800) 883-7243
NPI enumeratedJuly 11, 2006
Last updated in NPPESDecember 29, 2007
Mailing address210 N Tustin Ave, Santa Ana, CA 92705-3807

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