IRMAK BASARAN O'BRIEN
NPI 1689924649
Counselor - Mental Health in San Francisco, CA

Active since September 17, 2012
244 CALIFORNIA ST STE 300, SAN FRANCISCO, CA 94111(650) 451-5110 Get Directions Write a Review

NPPES record last updated: April 17, 2023. Verified against the NPPES registry weekly; last sync: August 02, 2026.

Record update history: Jan 10, 2019, Mar 17, 2018, Nov 27, 2017 and 2 more (5 updates tracked since 2017).

About Irmak Basaran O'brien NPPES

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

IRMAK BASARAN O'BRIEN (NPI 1689924649) is an individual mental health provider in San Francisco, California, licensed in California (LPCC5933) and active in the NPI registry since September 2012. She maintains 2 additional practice locations.

NPPES Registry Identity

NPI1689924649
Entity TypeIndividualFemale
Primary Taxonomy101YM0800X
Provider Legal NameIRMAK BASARAN O'BRIEN
Location Address244 CALIFORNIA ST STE 300San Francisco, CA 94111-4311
Mailing Address244 California St Ste 300San Francisco, CA 94111-4311
Sole ProprietorNo
Enumeration DateSeptember 17, 2012
Last NPPES UpdateApril 17, 20235 updates tracked since enumeration
NPPES CertifiedApril 17, 2023
NPI 1689924649 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses 2

Primary SpecialtyCounselor · Mental HealthBehavioral Health & Social Service Providers
Taxonomy Code101YM0800X
Licenses Licensed in CA · LPCC5933 Licensed in CA · PCCI1363
Also ListedStudent in an Organized Health Care Education/Training ProgramTaxonomy 390200000X · License PCCI1363 (CA)
244 CALIFORNIA ST STE 300, San Francisco, CA 94111

Secondary Practice Locations 2

Location 1401 Roland Way Ste 100Oakland, CA 94621-2034 · Phone (510) 839-3800
Location 21440 Broadway, Suite 610Oakland, CA 94612-2041 · Phone (510) 763-2880

Other Providers at the Same Location NPPES

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

Psychologist (Clinical)
244 CALIFORNIA ST STE 300
SAN FRANCISCO, CA 94111

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 Irmak Basaran O'brien's NPI number?

The NPI number for Irmak Basaran O'brien is 1689924649. It was assigned to this individual provider in the NPPES registry on September 17, 2012.

Where is Irmak Basaran O'brien located?

Irmak Basaran O'brien practices at 244 California St Ste 300, San Francisco, CA 94111. The listed phone number is (650) 451-5110.

What is Irmak Basaran O'brien's specialty?

The primary specialty registered for this NPI is Counselor, specializing in Mental Health, with taxonomy code 101YM0800X.

When was this NPI record last updated?

The NPPES record for Irmak Basaran O'brien was last updated on April 17, 2023. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 3 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.