BENJAMIN PAUL PETERSEN
NPI 1689161317
Social Worker in San Francisco, CA

Q: What is Benjamin Petersen's NPI number?

The NPI number for Benjamin Petersen is 1689161317. It was assigned to this individual provider in the NPPES registry on April 18, 2018.

Q: What is Benjamin Petersen's specialty?

The primary specialty registered for this NPI is Social Worker with taxonomy code 104100000X.

Q: When was this NPI record last updated?

The NPPES record for Benjamin Petersen was last updated on January 16, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 6 months 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.

Active since April 18, 2018

250 EXECUTIVE PARK BLVD STE 4900, SAN FRANCISCO, CA 94134(415) 900-9664 Get Directions Write a Review

NPPES record last updated: January 16, 2026. Verified against the NPPES registry weekly; last sync: August 09, 2026.

Record update history: Jan 16, 2026, Jun 23, 2023, Mar 4, 2023 and 2 more (5 updates tracked since 2018).

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About Benjamin Paul Petersen NPPES

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

BENJAMIN PAUL PETERSEN (NPI 1689161317) is an individual social worker in San Francisco, California, licensed in California (136147) and active in the NPI registry since April 2018.

NPPES Registry Identity

NPI1689161317

Entity TypeIndividualMale

Primary Taxonomy104100000X

Provider Legal NameBENJAMIN PAUL PETERSEN

Location Address250 EXECUTIVE PARK BLVD STE 4900San Francisco, CA 94134-3335

Mailing Address250 Executive Park Blvd Ste 4900San Francisco, CA 94134-3335

Phone(415) 900-9664

Sole ProprietorYes

Enumeration DateApril 18, 2018

Last NPPES UpdateJanuary 16, 20265 updates tracked since enumeration

NPPES CertifiedJanuary 16, 2026

✔ NPI 1689161317 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses 3

★ Primary SpecialtySocial WorkerBehavioral Health & Social Service Providers

Taxonomy Code104100000X

Licenses✔ Licensed in CA · 136147✔ Licensed in CA · ASW93696

Definition

A social worker is a person who is qualified by a Social Work degree, and licensed, certified or registered by the state as a social worker to practice within the scope of that license. A social worker provides assistance and counseling to clients and their families who are dealing with social, emotional and environmental problems. Social work services may be rendered to individuals, families, groups, and the public.

Also ListedCounselorTaxonomy 101Y00000X · License 93696 (CA)

Also ListedSocial Worker · ClinicalTaxonomy 1041C0700X · License ASW93696 (CA)

250 EXECUTIVE PARK BLVD STE 4900, San Francisco, CA 94134

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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.

CHELSEA ELDREDGE

Counselor (Professional)