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

LARRY ZIMMERMAN II
NPI 1780504100
Counselor - Addiction (Substance Use Disorder) in Upland, CA

Active since July 16, 2026
239 W 9TH ST, UPLAND, CA 91786(909) 981-6121 Get Directions Write a Review

NPPES record added: July 16, 2026. Verified against the NPPES registry weekly; last sync: August 09, 2026.

About Larry Zimmerman Ii NPPES

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

LARRY ZIMMERMAN II (NPI 1780504100) is an individual addiction (substance use disorder) provider in Upland, California and active in the NPI registry since July 2026.

NPPES Registry Identity

NPI1780504100
Entity TypeIndividualMale
Primary Taxonomy101YA0400X
Provider Legal NameLARRY ZIMMERMAN II
Location Address239 W 9TH STUpland, CA 91786-5979
Mailing Address11832 Euclid StGarden Grove, CA 92840-2227
Phone(909) 981-6121
Sole ProprietorYes
Enumeration DateJuly 16, 2026
NPPES CertifiedJuly 16, 2026
✔ NPI 1780504100 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
239 W 9TH ST, Upland, CA 91786
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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.

MICHAEL THOMPSON
Counselor (Addiction (Substance Use Disorder))
239 W 9TH ST
UPLAND, CA 91786
San Bernardino County (909) 981-6121
VICTOR GOMEZ
Counselor (Addiction (Substance Use Disorder))
239 W 9TH ST
UPLAND, CA 91786
San Bernardino County (909) 981-6121
TOREY RANSOM CADC II
Counselor (Addiction (Substance Use Disorder))
239 W 9TH ST
UPLAND, CA 91786
San Bernardino County (909) 981-6121
MAHMOUD BENSUFIA
Peer Specialist
239 W 9TH ST
UPLAND, CA 91786
San Bernardino County (714) 797-1644
CLIFFORD RAY GARRETT
Counselor (Addiction (Substance Use Disorder))
239 W 9TH ST
UPLAND, CA 91786
San Bernardino County (909) 981-6121
MICHAEL LAURENCE SANDS
Peer Specialist
239 W 9TH ST
UPLAND, CA 91786
San Bernardino County (909) 981-6121
DARREN SARDIN
Counselor (Addiction (Substance Use Disorder))
239 W 9TH ST
UPLAND, CA 91786
San Bernardino County (909) 981-6121
JOHN MORGAN
Counselor (Addiction (Substance Use Disorder))
239 W 9TH ST
UPLAND, CA 91786
San Bernardino County (909) 981-6121

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 Larry Zimmerman's NPI number?

The NPI number for Larry Zimmerman is 1780504100. It was assigned to this individual provider in the NPPES registry on July 16, 2026.

Where is Larry Zimmerman located?

Larry Zimmerman practices at 239 W 9th St, Upland, CA 91786. The listed phone number is (909) 981-6121.

What is Larry Zimmerman'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 Larry Zimmerman was last updated on July 16, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 26 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.