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

Thaddeus O'Barr MD PC

Organization Anesthesiology Physician · NPI 1215595913

Thaddeus O'Barr MD PC is an Anesthesiology Physician in Orange, California. Works from 2 locations. Registered with an NPI since 2019.

In the registry since
2019
What do these letters mean?
PC — Professional corporation
A form of business registration, not a clinical qualification.

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Practice location Address checks out

681 S Parker St Ste 150
Orange, CA 92868-4761
Phone: (714) 744-0900
Fax: (714) 647-1245
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Pin is approximate — placed at the ZIP-code centre, not the exact door.

Additional practice locations (1)

  • 3500 Barranca Pkwy Ste 130, Irvine, CA 92606-8227 — (949) 552-6266

Specialties & licences

Anesthesiology Physician (primary) Taxonomy 207L00000X

Record details

NPI number1215595913
Entity typeOrganization (Type 2)
Organization subpartNo
Authorized official Thaddeus O'Barr — President · (714) 347-1000
NPI enumeratedMay 29, 2019
Last updated in NPPESMay 29, 2019
Mailing address210 N Tustin Ave, Santa Ana, CA 92705-3807

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