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Newly Listed Provider — this NPI profile has been added to the NPI registry within the last 90 days.

HANS GROSZKRUGER
NPI 1700785813
Counselor - Addiction (Substance Use Disorder) in Pasadena, CA

Active since November 04, 2026
1680 N FAIR OAKS AVE, PASADENA, CA 91103(626) 798-0884 Get Directions Write a Review

NPPES record added: November 4, 2026. Verified against the NPPES registry weekly; last sync: November 08, 2026.

About Hans Groszkruger NPPES

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

HANS GROSZKRUGER (NPI 1700785813) is an individual addiction (substance use disorder) provider in Pasadena, California, licensed in California (SUDRC) and active in the NPI registry since November 2026.

NPPES Registry Identity

NPI1700785813
Entity TypeIndividualMale
Primary Taxonomy101YA0400X
Provider Legal NameHANS GROSZKRUGER
Location Address1680 N FAIR OAKS AVEPasadena, CA 91103-1642
Mailing Address1680 N Fair Oaks AvePasadena, CA 91103-1642 · (626) 798-0884
Phone(626) 798-0884
Sole ProprietorNo
Enumeration DateNovember 4, 2026
NPPES CertifiedNovember 4, 2026
✔ NPI 1700785813 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 · SUDRC
1680 N FAIR OAKS AVE, Pasadena, CA 91103
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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.

SEAN COLUCCI
Counselor (Addiction (Substance Use Disorder))
1680 N FAIR OAKS AVE
PASADENA, CA 91103
Los Angeles County (626) 798-0884
ROBERTO CHAVEZ
Counselor (Addiction (Substance Use Disorder))
1680 N FAIR OAKS AVE
PASADENA, CA 91103
Los Angeles County (626) 517-7954
GREGORY LAY
Counselor (Addiction (Substance Use Disorder))
1680 N FAIR OAKS AVE
PASADENA, CA 91103
Los Angeles County (626) 798-0884
JOSE CASTRO
Counselor (Addiction (Substance Use Disorder))
1680 N FAIR OAKS AVE
PASADENA, CA 91103
Los Angeles County (626) 798-0884
ELENA YVETTE RUIZ
Counselor (Addiction (Substance Use Disorder))
1680 N FAIR OAKS AVE
PASADENA, CA 91103
Los Angeles County (626) 798-0884
CAREY GUNN
Counselor (Addiction (Substance Use Disorder))
1680 N FAIR OAKS AVE
PASADENA, CA 91103
Los Angeles County (626) 798-0884
DENVER CUDE
Counselor (Addiction (Substance Use Disorder))
1680 N FAIR OAKS AVE
PASADENA, CA 91103
Los Angeles County (626) 798-0884
LADAN HARANDI
Counselor (Addiction (Substance Use Disorder))
1680 N FAIR OAKS AVE
PASADENA, CA 91103
Los Angeles County (626) 798-0884

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 Hans Groszkruger's NPI number?

The NPI number for Hans Groszkruger is 1700785813. It was assigned to this individual provider in the NPPES registry on November 4, 2026.

Where is Hans Groszkruger located?

Hans Groszkruger practices at 1680 N Fair Oaks Ave, Pasadena, CA 91103. The listed phone number is (626) 798-0884.

What is Hans Groszkruger'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 Hans Groszkruger was last updated on November 4, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 9 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.