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MR. RALPH AARON DOWNS IV
NPI 1215577234
Counselor - Addiction (Substance Use Disorder) in San Francisco, CA

Active since January 07, 2020
1001 POTRERO AVE, SAN FRANCISCO, CA 94110(628) 206-6412 Get Directions Write a Review

NPPES record last updated: October 26, 2022. Verified against the NPPES registry weekly; last sync: August 09, 2026.

Record update history: Oct 26, 2022, Jan 7, 2020 (2 updates tracked since 2020).

About Mr. Ralph Aaron Downs Iv NPPES

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

MR. RALPH AARON DOWNS IV (NPI 1215577234) is an individual addiction (substance use disorder) provider in San Francisco, California, licensed in California (12805) and active in the NPI registry since January 2020.

NPPES Registry Identity

NPI1215577234
Entity TypeIndividualMale
Primary Taxonomy101YA0400X
Provider Legal NameMR. RALPH AARON DOWNS IV
Location Address1001 POTRERO AVESan Francisco, CA 94110-3518
Mailing Address1563 Mission StSan Francisco, CA 94103-2543
Phone(628) 206-6412
Sole ProprietorNo
Enumeration DateJanuary 7, 2020
Last NPPES UpdateOctober 26, 20222 updates tracked since enumeration
NPPES CertifiedOctober 26, 2022
✔ NPI 1215577234 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyCounselor · Addiction (Substance Use Disorder)Behavioral Health & Social Service Providers
Taxonomy Code101YA0400X
Licenses✔ Licensed in CA · 12805✔ Licensed in CA · R1370181119
1001 POTRERO AVE, San Francisco, CA 94110
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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.

ROCIO C AGRAZ-LARA RN, PHN
Registered Nurse
1001 POTRERO AVE, ZSFG BUILDING 90 4TH FLOOR
SAN FRANCISCO, CA 94110
San Francisco County (415) 206-8524
DR. SUSAN WLODARCZYK MD
Student in an Organized Health Care Education/Training Program
1001 POTRERO AVE, BLDG 10, 3RD FLOOR, WARD 13 BOX 1364
SAN FRANCISCO, CA 94110
San Francisco County (415) 206-5164
AMY DINER PSY.D.
Student in an Organized Health Care Education/Training Program
1001 POTRERO AVE
SAN FRANCISCO, CA 94110
San Francisco County (415) 206-5270
CHRISTOPHER RUIZ
Case Manager/Care Coordinator
1001 POTRERO AVE
SAN FRANCISCO, CA 94110
San Francisco County (415) 206-3950
C. STIRLING SOMERS
Counselor
1001 POTRERO AVE
SAN FRANCISCO, CA 94110
San Francisco County (415) 206-5270
WILLIAM RUSSEL CARPENTER FNP-C
Nurse Practitioner (Family)
1001 POTRERO AVE
SAN FRANCISCO, CA 94110
San Francisco County (628) 206-8000
REGENTS OF THE UNIVERSITY OF CALIFORNIA
Clinical Medical Laboratory
1001 POTRERO AVE, BLDG 100, RM 104
SAN FRANCISCO, CA 94110
San Francisco County (415) 502-4775
DR. DENISE RENEE GONZALEZ MD
Internal Medicine
1001 POTRERO AVE, 1M
SAN FRANCISCO, CA 94110
San Francisco County (415) 206-6075

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 Ralph Downs's NPI number?

The NPI number for Ralph Downs is 1215577234. It was assigned to this individual provider in the NPPES registry on January 7, 2020.

Where is Ralph Downs located?

Ralph Downs practices at 1001 Potrero Ave, San Francisco, CA 94110. The listed phone number is (628) 206-6412.

What is Ralph Downs'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 Ralph Downs was last updated on October 26, 2022. 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.