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

Peter H Breen, MD

Individual provider Anesthesiology Physician · NPI 1639259716

Peter H Breen, MD is an Anesthesiology Physician in Orange, 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.

See every abbreviation used in this directory →

Practice location Partly verified

Some contact details are missing from the federal record.

UCI Medical Center 101 The City Dr S
Orange, CA 92868
Phone: (714) 456-8978
Show map & directions

Pin is approximate — placed at the ZIP-code centre, not the exact door.

Specialties & licences

Anesthesiology Physician (primary) Taxonomy 207L00000X · Licence 000000G78104 (CA)

Record details

NPI number1639259716
Entity typeIndividual (Type 1)
GenderMale
Credentials MD
Sole proprietorNo
NPI enumeratedOctober 16, 2006
Last updated in NPPESNovember 21, 2007
Mailing addressUnv Anesthesia Associates, Po Box 54330, Los Angeles, CA 90054-0330

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