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MARY ANNE O'CALLAGHAN M.D.
NPI 1932489408
Family Medicine in El Segundo, CA

Active since August 27, 2011
845 MARYLAND ST, EL SEGUNDO, CA 90245(310) 640-9604 Get Directions Write a Review

NPPES record last updated: August 27, 2011. Verified against the NPPES registry weekly; last sync: August 02, 2026.

About Mary Anne O'callaghan M.d. NPPES

Official registry information on file with the National Plan and Provider Enumeration System.

MARY ANNE O'CALLAGHAN M.D. (NPI 1932489408) is an individual family medicine provider in El Segundo, California, licensed in California (AFE19605) and active in the NPI registry since August 2011.

NPPES Registry Identity

NPI1932489408
Entity TypeIndividualFemale
Primary Taxonomy207Q00000X
Provider Legal NameMARY ANNE O'CALLAGHANCredential: M.D.
Location Address845 MARYLAND STEl Segundo, CA 90245-2546
Mailing Address845 Maryland StEl Segundo, CA 90245-2546 · (310) 640-9604
Phone(310) 640-9604
Sole ProprietorNo
Enumeration DateAugust 27, 2011
✔ NPI 1932489408 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyFamily MedicineAllopathic & Osteopathic Physicians
Taxonomy Code207Q00000X
License✔ Licensed in CA · AFE19605
Definition
Family Medicine is the medical specialty which is concerned with the total health care of the individual and the family. It is the specialty in breadth which integrates the biological, clinical, and behavioral sciences. The scope of family medicine is not limited by age, sex, organ system, or disease entity.
845 MARYLAND ST, El Segundo, CA 90245
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Frequently Asked Questions NPPES & CMS

Common questions about this NPI record, answered from the official NPPES registry and CMS datasets shown on this page.

What is Mary O'callaghan's NPI number?

The NPI number for Mary O'callaghan is 1932489408. It was assigned to this individual provider in the NPPES registry on August 27, 2011.

Where is Mary O'callaghan located?

Mary O'callaghan practices at 845 Maryland St, El Segundo, CA 90245. The listed phone number is (310) 640-9604.

What is Mary O'callaghan's specialty?

The primary specialty registered for this NPI is Family Medicine with taxonomy code 207Q00000X.

When was this NPI record last updated?

The NPPES record for Mary O'callaghan was last updated on August 27, 2011. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 14 years ago. If this record has changed at CMS more recently, you can request an on-demand re-check against the live CMS registry, directly from this page.