Recently Updated NPI Information — some details in this NPI profile have been updated in the NPI registry within the last 60 days.

GREGORY DAVISON DYER
NPI 1740820034
Social Worker - Clinical in San Francisco, CA

Active since January 14, 2020
1500 FRANKLIN ST, SAN FRANCISCO, CA 94109(415) 474-7310 Get Directions Write a Review

NPPES record last updated: August 24, 2026. Verified against the NPPES registry weekly; last sync: September 06, 2026.

Record update history: Aug 24, 2026, May 8, 2026, Nov 8, 2025 and 6 more (9 updates tracked since 2020).

About Gregory Davison Dyer NPPES

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

GREGORY DAVISON DYER (NPI 1740820034) is an individual clinical provider in San Francisco, California, licensed in California (141663) and active in the NPI registry since January 2020. He maintains a secondary practice location in San Francisco.

NPPES Registry Identity

NPI1740820034
Entity TypeIndividualMale
Primary Taxonomy1041C0700X
Provider Legal NameGREGORY DAVISON DYER
Location Address1500 FRANKLIN STSan Francisco, CA 94109-4523
Mailing Address125 Precita AveSan Francisco, CA 94110-4620
Sole ProprietorNo
Enumeration DateJanuary 14, 2020
Last NPPES UpdateAugust 24, 20269 updates tracked since enumeration
NPPES CertifiedAugust 24, 2026
NPI 1740820034 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses 3

Primary SpecialtySocial Worker · ClinicalBehavioral Health & Social Service Providers
Taxonomy Code1041C0700X
License Licensed in CA · 141663
Definition
A social worker who holds a master's or doctoral degree in social work from an accredited school of social work in addition to at least two years of post-master's supervised experience in a clinical setting. The social worker must be licensed, certified, or registered at the clinical level in the jurisdiction of practice. A clinical social worker provides direct services, including interventions focused on interpersonal interactions, intrapsychic dynamics, and life management issues. Clinical social work services are based on bio-psychosocial perspectives. Services consist of assessment, diagnosis, treatment (including psychotherapy and counseling), client-centered advocacy, consultation, evaluation, and prevention of mental illness, emotional, or behavioral disturbances.
Also ListedCounselorTaxonomy 101Y00000X · License 112862 (CA)
Also ListedSocial WorkerTaxonomy 104100000X · License 112862 (CA)
1500 FRANKLIN ST, San Francisco, CA 94109

Secondary Practice Location 1

Location 1125 Precita AveSan Francisco, CA 94110-4620 · Phone (415) 985-6456

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.

Marriage & Family Therapist
1500 FRANKLIN ST
SAN FRANCISCO, CA 94109
Marriage & Family Therapist
1500 FRANKLIN ST
SAN FRANCISCO, CA 94109
Marriage & Family Therapist
1500 FRANKLIN ST
SAN FRANCISCO, CA 94109
Community Health Worker
1500 FRANKLIN ST
SAN FRANCISCO, CA 94109
Marriage & Family Therapist
1500 FRANKLIN ST
SAN FRANCISCO, CA 94109
Technician, Other
1500 FRANKLIN ST
SAN FRANCISCO, CA 94109
Counselor (Professional)
1500 FRANKLIN ST
SAN FRANCISCO, CA 94109
Psychiatry & Neurology (Psychiatry)
1500 FRANKLIN ST
SAN FRANCISCO, CA 94109

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 Gregory Dyer's NPI number?

The NPI number for Gregory Dyer is 1740820034. It was assigned to this individual provider in the NPPES registry on January 14, 2020.

Where is Gregory Dyer located?

Gregory Dyer practices at 1500 Franklin St, San Francisco, CA 94109. The listed phone number is (415) 474-7310.

What is Gregory Dyer's specialty?

The primary specialty registered for this NPI is Social Worker, specializing in Clinical, with taxonomy code 1041C0700X.

When was this NPI record last updated?

The NPPES record for Gregory Dyer was last updated on August 24, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 21 days 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.