Margaret O'Brien, RN
Child & Adolescent Psychiatric/Mental Health Registered Nurse · San Francisco, CA
Margaret O'Brien, RN is a child & adolescent psychiatric/mental health registered nurse with a practice address in San Francisco, California, and NPI 1134267339, issued on Feb 1, 2007. Check the license (California RN 235839, as entered in NPPES) with the California board that licenses this profession; the federal record below is the public data PlainDoctor holds for this provider.
- Name
- Margaret O'Brien
- Credential
- RN
- Primary taxonomy
- Child & Adolescent Psychiatric/Mental Health Registered Nurse 163WP0807X
- License number
- RN 235839 CA
Self-reported in NPPES; status is on the state search - Practice location
- 450 Stanyan St, San Francisco, CA 94117
- Phone
- (415) 750-5580
- Enumerated
- Feb 1, 2007
- Record last updated
- Sep 7, 2023
- Fax
- (415) 750-4912
- Entity
- Type 1 · individual
Also registered at 450 Stanyan St
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Blakney Adkins, MS OTR/LOccupational Therapist1881249522
- Leigh Allen, MSPTPhysical Therapist1982821229
- Mariam Amin, M.DStudent in an Organized Health Care Education/Training Program1588027981
- David Andino-Nieves, MDInternal Medicine Physician1639515638
- Allison AngurenStudent in an Organized Health Care Education/Training Program1376121152
- Nadine Antebi, PTNeurology Physical Therapist1962373753
Verify Margaret O'Brien in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersWhich California board licenses this profession
Search for license RN 235839Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
Child & Adolescent Psychiatric/Mental Health Registered Nurse providers in California
There are 235 child & adolescent psychiatric/mental health registered nurse records in California. No Medicare prescribing, quality score, industry payment or hospital affiliation is published for this NPI.
Other child & adolescent psychiatric/mental health registered nurse records in California
- Kristian AclanSan Leandro, CA1891393526
- Denise Adame-Bauge, RN BC BSN PHNBakersfield, CA1427188846
- Jean Agregado, REGISTERED NURSEHemet, CA1477270668
- Lucinda AguilarOxnard, CA1215583364
- Cynthia Amen, RNEureka, CA1114047339
- Sherry Ange, RNModesto, CA1003558156
- Karl John Arellano, RNMartinez, CA1023907516
- Carmela ArinoVentura, CA1578262655
- Anna ArmfieldOakland, CA1770202780
- Deborah Atkinson, RNMerced, CA1457402901
Common questions
What is Margaret O'Brien, RN's NPI number?
Margaret O'Brien, RN's National Provider Identifier (NPI) is 1134267339, issued on Feb 1, 2007. An NPI identifies a provider in billing; it is not a license.
Where is Margaret O'Brien, RN located?
The NPPES record lists a practice address at 450 Stanyan St, San Francisco, CA, 94117. Phone: (415) 750-5580. Providers update this record themselves, so call before visiting.
How can I verify Margaret O'Brien, RN's license?
NPPES lists California license number RN 235839, as entered by the provider. Search the California board that licenses this profession; the NPPES record confirms identity only.
Source: CMS National Plan and Provider Enumeration System (NPPES), file of Aug 9, 2026 (NPPES files on CMS.gov); NUCC Health Care Provider Taxonomy. An NPI identifies who bills; it is not a license.
Figures on PlainDoctor are read from the federal files each page names (CMS NPPES, Medicare Part D, MIPS, Open Payments; the HHS-OIG exclusion list only as counts) and from Census population estimates, with the file date shown beside them. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error. Data current as of Aug 9, 2026.