Recently Updated NPI Information — some details in this NPI profile have been updated in the NPI registry within the last 30 days.

GEOFFREY WILLIAM CRONIN JR.
NPI 1174347033
Counselor - Addiction (Substance Use Disorder) in San Francisco, CA

Active since November 08, 2024
1111 MARKET ST, SAN FRANCISCO, CA 94103(415) 863-3883(415) 863-7343 Get Directions Write a Review

NPPES record last updated: July 21, 2026. Verified against the NPPES registry weekly; last sync: August 02, 2026.

Record update history: Jul 21, 2026, Nov 8, 2024 (2 updates tracked since 2024).

About Geoffrey William Cronin Jr. NPPES

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

GEOFFREY WILLIAM CRONIN JR. (NPI 1174347033) is an individual addiction (substance use disorder) provider in San Francisco, California and active in the NPI registry since November 2024.

NPPES Registry Identity

NPI1174347033
Entity TypeIndividualMale
Primary Taxonomy101YA0400X
Provider Legal NameGEOFFREY WILLIAM CRONIN JR.
Location Address1111 MARKET STSan Francisco, CA 94103-1589
Mailing Address1111 Market StSan Francisco, CA 94103-1589 · (415) 863-3883 · Fax (415) 863-7343
Fax(415) 863-7343
Sole ProprietorYes
Enumeration DateNovember 8, 2024
Last NPPES UpdateJuly 21, 20262 updates tracked since enumeration
NPPES CertifiedJuly 21, 2026
NPI 1174347033 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses 2

Primary SpecialtyCounselor · Addiction (Substance Use Disorder)Behavioral Health & Social Service Providers
Taxonomy Code101YA0400X
Also ListedDay Training/Habilitation SpecialistTaxonomy 373H00000X
1111 MARKET ST, San Francisco, CA 94103

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.

Nurse Practitioner (Family)
1111 MARKET ST
SAN FRANCISCO, CA 94103
Specialist
1111 MARKET ST
SAN FRANCISCO, CA 94103
Counselor (Addiction (Substance Use Disorder))
1111 MARKET ST
SAN FRANCISCO, CA 94103
Student in an Organized Health Care Education/Training Program
1111 MARKET ST
SAN FRANCISCO, CA 94103
Counselor (Addiction (Substance Use Disorder))
1111 MARKET ST
SAN FRANCISCO, CA 94103
Counselor (Addiction (Substance Use Disorder))
1111 MARKET ST
SAN FRANCISCO, CA 94103
Licensed Vocational Nurse
1111 MARKET ST
SAN FRANCISCO, CA 94103
Counselor (Addiction (Substance Use Disorder))
1111 MARKET ST
SAN FRANCISCO, CA 94103

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 Geoffrey Cronin's NPI number?

The NPI number for Geoffrey Cronin is 1174347033. It was assigned to this individual provider in the NPPES registry on November 8, 2024.

Where is Geoffrey Cronin located?

Geoffrey Cronin practices at 1111 Market St, San Francisco, CA 94103. The listed phone number is (415) 863-3883.

What is Geoffrey Cronin's specialty?

The primary specialty registered for this NPI is Counselor, specializing in Addiction (Substance Use Disorder), with taxonomy code 101YA0400X.

When was this NPI record last updated?

The NPPES record for Geoffrey Cronin was last updated on July 21, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 14 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.