1. Home
  2. Directory
  3. California
  4. San Francisco
  5. Counselor
  6. NPI Profile

BARBARA KAY DARBY I
NPI 1023782257
Counselor - Addiction (Substance Use Disorder) in San Francisco, CA

Active since August 02, 2021
1111 MARKET ST, SAN FRANCISCO, CA 94103(415) 863-3883 Get Directions Write a Review

NPPES record last updated: August 2, 2021. Verified against the NPPES registry weekly; last sync: August 02, 2026.

About Barbara Kay Darby I NPPES

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

BARBARA KAY DARBY I (NPI 1023782257) is an individual addiction (substance use disorder) provider in San Francisco, California, licensed in California (R1439800721) and active in the NPI registry since August 2021.

NPPES Registry Identity

NPI1023782257
Entity TypeIndividualFemale
Primary Taxonomy101YA0400X
Provider Legal NameBARBARA KAY DARBY I
Location Address1111 MARKET STSan Francisco, CA 94103-1509
Mailing Address950 Roseann CtSan Lorenzo, CA 94580-1241 · (510) 931-0932
Phone(415) 863-3883
Sole ProprietorYes
Enumeration DateAugust 2, 2021
NPPES CertifiedAugust 2, 2021
✔ NPI 1023782257 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
License✔ Licensed in CA · R1439800721
1111 MARKET ST, San Francisco, CA 94103
Open in Google Maps ↗

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.

ERIN MAUREEN SMITH FNP
Nurse Practitioner (Family)
1111 MARKET ST
SAN FRANCISCO, CA 94103
San Francisco County (415) 863-3883
MARVA B AUSTIN
Specialist
1111 MARKET ST
SAN FRANCISCO, CA 94103
San Francisco County (415) 863-3883
KEIKO GRACE
Counselor (Addiction (Substance Use Disorder))
1111 MARKET ST
SAN FRANCISCO, CA 94103
San Francisco County (415) 863-3883
KIMBERLY CHOW
Student in an Organized Health Care Education/Training Program
1111 MARKET ST
SAN FRANCISCO, CA 94103
San Francisco County (415) 863-3883
MR. DAVID M. VERGI
Counselor (Addiction (Substance Use Disorder))
1111 MARKET ST
SAN FRANCISCO, CA 94103
San Francisco County (415) 863-3886
SIEFU T TSEGAY
Licensed Vocational Nurse
1111 MARKET ST
SAN FRANCISCO, CA 94103
San Francisco County (510) 712-3174
GEOFFREY JOSEPH EDEVANE SUD COUNSELOR
Counselor (Addiction (Substance Use Disorder))
1111 MARKET ST
SAN FRANCISCO, CA 94103
San Francisco County (415) 863-3883
SYLVIA BARRAGAN
Counselor (Addiction (Substance Use Disorder))
1111 MARKET ST
SAN FRANCISCO, CA 94103
San Francisco County (415) 863-3883

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 Barbara Darby's NPI number?

The NPI number for Barbara Darby is 1023782257. It was assigned to this individual provider in the NPPES registry on August 2, 2021.

Where is Barbara Darby located?

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

What is Barbara Darby'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 Barbara Darby was last updated on August 2, 2021. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 5 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.