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KIRK CALVIN STANCZYK
NPI 1619467891
Counselor - Addiction (Substance Use Disorder) in San Francisco, CA

Active since May 14, 2018
1111 MARKET ST FL 1, SAN FRANCISCO, CA 94103(866) 484-8049 Get Directions Write a Review

NPPES record last updated: May 21, 2026. Verified against the NPPES registry weekly; last sync: August 16, 2026.

Record update history: May 21, 2026, May 14, 2018 (2 updates tracked since 2018).

About Kirk Calvin Stanczyk NPPES

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

KIRK CALVIN STANCZYK (NPI 1619467891) is an individual addiction (substance use disorder) provider in San Francisco, California, licensed in California (25648) and active in the NPI registry since May 2018.

NPPES Registry Identity

NPI1619467891
Entity TypeIndividualMale
Primary Taxonomy101YA0400X
Provider Legal NameKIRK CALVIN STANCZYK
Location Address1111 MARKET ST FL 1San Francisco, CA 94103-1509
Mailing Address1111 Market St Fl 1San Francisco, CA 94103-1509 · (866) 484-8049
Phone(866) 484-8049
Sole ProprietorNo
Enumeration DateMay 14, 2018
Last NPPES UpdateMay 21, 20262 updates tracked since enumeration
NPPES CertifiedMay 21, 2026
✔ NPI 1619467891 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 · 25648
1111 MARKET ST FL 1, San Francisco, CA 94103
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Other Providers at the Same Location NPPES 13

Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.

ANDREW DONALD DERTIEN
Counselor (Addiction (Substance Use Disorder))
1111 MARKET ST FL 1
SAN FRANCISCO, CA 94103
San Francisco County (415) 863-3883
BRUCE EDWARD BROWN
Counselor (Addiction (Substance Use Disorder))
1111 MARKET ST FL 1
SAN FRANCISCO, CA 94103
San Francisco County (415) 863-3883
APARNA BELL LPCC
Counselor (Professional)
1111 MARKET ST FL 1
SAN FRANCISCO, CA 94103
San Francisco County (415) 863-3883
MANVI HOODA
Technician, Other
1111 MARKET ST FL 1
SAN FRANCISCO, CA 94103
San Francisco County (908) 251-8633
LEESHAWN RENE NAVARRO LVN
Licensed Vocational Nurse
1111 MARKET ST FL 1
SAN FRANCISCO, CA 94103
San Francisco County (415) 308-3645
MONICA MADRIGAL SUDRC#24484
Counselor (Addiction (Substance Use Disorder))
1111 MARKET ST FL 1
SAN FRANCISCO, CA 94103
San Francisco County (415) 862-2810
BAART COMMUNITY HEALTHCARE
Clinic/Center (Community Health)
1111 MARKET ST FL 1
SAN FRANCISCO, CA 94103
San Francisco County (415) 863-3883
TAPASHYA KHAREL RN
Registered Nurse
1111 MARKET ST FL 1
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 Kirk Stanczyk's NPI number?

The NPI number for Kirk Stanczyk is 1619467891. It was assigned to this individual provider in the NPPES registry on May 14, 2018.

Where is Kirk Stanczyk located?

Kirk Stanczyk practices at 1111 Market St Fl 1, San Francisco, CA 94103. The listed phone number is (866) 484-8049.

What is Kirk Stanczyk'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 Kirk Stanczyk was last updated on May 21, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 3 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.