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MARGARET O'BRIEN RN
NPI 1134267339
Registered Nurse - Psychiatric/Mental Health, Child & Adolescent in San Francisco, CA

Active since February 01, 2007
450 STANYAN ST, 3 NORTH, SAN FRANCISCO, CA 94117(415) 750-5580(415) 750-4912 Get Directions Write a Review

NPPES record last updated: September 7, 2023. Verified against the NPPES registry weekly; last sync: August 16, 2026.

About Margaret O'brien Rn NPPES

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

MARGARET O'BRIEN RN (NPI 1134267339) is an individual psychiatric/mental health, child & adolescent provider in San Francisco, California, licensed in California (RN 235839) and active in the NPI registry since February 2007.

NPPES Registry Identity

NPI1134267339
Entity TypeIndividualFemale
Primary Taxonomy163WP0807X
Provider Legal NameMARGARET O'BRIENCredential: RN
Location Address450 STANYAN ST, 3 NORTHSan Francisco, CA 94117-1079
Mailing Address450 Stanyan St, 3 NorthSan Francisco, CA 94117-1079 · (415) 750-5580 · Fax (415) 750-4912
Phone(415) 750-5580
Fax(415) 750-4912
Sole ProprietorYes
Enumeration DateFebruary 1, 2007
Last NPPES UpdateSeptember 7, 2023
✔ NPI 1134267339 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyRegistered Nurse · Psychiatric/Mental Health, Child & AdolescentNursing Service Providers
Taxonomy Code163WP0807X
License✔ Licensed in CA · RN 235839
450 STANYAN ST, San Francisco, CA 94117
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Other Providers at the Same Location NPPES 20

Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.

JESSICA ESPINO MANGALIAG
Student in an Organized Health Care Education/Training Program
450 STANYAN ST
SAN FRANCISCO, CA 94117
San Francisco County (415) 750-5942
FIONA PATRICIA MCCUSKER
Physical Medicine & Rehabilitation
450 STANYAN ST
SAN FRANCISCO, CA 94117
San Francisco County (415) 668-1000
JENNIFER JIMENEZ OTD
Occupational Therapist
450 STANYAN ST
SAN FRANCISCO, CA 94117
San Francisco County (877) 341-7472
JASON DOUGLAS
Occupational Therapist
450 STANYAN ST
SAN FRANCISCO, CA 94117
San Francisco County (415) 668-1000
DARIANNE ZIMMER
Student in an Organized Health Care Education/Training Program
450 STANYAN ST
SAN FRANCISCO, CA 94117
San Francisco County (415) 750-5942
DR. STEPHANIE VON FISCHER SEIKI M.D.
Internal Medicine
450 STANYAN ST
SAN FRANCISCO, CA 94117
San Francisco County (415) 750-5909
ALEXA POETER
Speech-Language Pathologist
450 STANYAN ST
SAN FRANCISCO, CA 94117
San Francisco County (415) 722-6965
LEWIS PHILIP SCHENDOWICH MD
Student in an Organized Health Care Education/Training Program
450 STANYAN ST
SAN FRANCISCO, CA 94117
San Francisco County (415) 750-5942

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 Margaret O'brien's NPI number?

The NPI number for Margaret O'brien is 1134267339. It was assigned to this individual provider in the NPPES registry on February 1, 2007.

Where is Margaret O'brien located?

Margaret O'brien practices at 450 Stanyan St 3 North, San Francisco, CA 94117. The listed phone number is (415) 750-5580.

What is Margaret O'brien's specialty?

The primary specialty registered for this NPI is Registered Nurse, specializing in Psychiatric/Mental Health, Child & Adolescent, with taxonomy code 163WP0807X.

When was this NPI record last updated?

The NPPES record for Margaret O'brien was last updated on September 7, 2023. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 2 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.