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

Aidan Patrick O'Brien, MD

Individual provider Anesthesiology Physician · NPI 1417917691

Aidan Patrick O'Brien, MD 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?
MD — Doctor of Medicine
A physician who completed allopathic medical school.

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Practice location Address checks out

12401 Washington Blvd
Whittier, CA 90602-1006
Phone: (562) 698-0811
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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 number1417917691
Entity typeIndividual (Type 1)
GenderMale
Credentials MD
Sole proprietorNo
NPI enumeratedMarch 23, 2006
Last updated in NPPESJuly 8, 2013
Mailing addressPo Box 3098, Torrance, CA 90510-3098

Other providers in Whittier