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Recently Updated NPI Information — some details in this NPI profile have been updated in the NPI registry within the last 60 days.

GARY NITTA LPC
NPI 1689634412
Counselor - Addiction (Substance Use Disorder) in Denver, CO

Active since March 24, 2006
1405 FEDERAL BLVD, DENVER, CO 80204(303) 504-1500(303) 825-1711 Get Directions Write a Review

NPPES record last updated: July 13, 2026. Verified against the NPPES registry weekly; last sync: August 09, 2026.

Record update history: Jul 13, 2026, Sep 11, 2025 (2 updates tracked since 2025).

About Gary Nitta Lpc NPPES

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

GARY NITTA LPC (NPI 1689634412) is an individual addiction (substance use disorder) provider in Denver, Colorado, licensed in Colorado (5986) and active in the NPI registry since March 2006.

NPPES Registry Identity

NPI1689634412
Entity TypeIndividualMale
Primary Taxonomy101YA0400X
Provider Legal NameGARY NITTACredential: LPC
Location Address1405 FEDERAL BLVDDenver, CO 80204-2211
Mailing Address4141 E Dickenson PlDenver, CO 80222-6012 · (303) 504-6509 · Fax (303) 782-0916
Phone(303) 504-1500
Fax(303) 825-1711
Sole ProprietorNo
Enumeration DateMarch 24, 2006
Last NPPES UpdateJuly 13, 20262 updates tracked since enumeration
✔ NPI 1689634412 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses 2

★ Primary SpecialtyCounselor · Addiction (Substance Use Disorder)Behavioral Health & Social Service Providers
Taxonomy Code101YA0400X
License✔ Licensed in CO · 5986
Also ListedCounselor · ProfessionalTaxonomy 101YP2500X · License 3111 (CO)
1405 FEDERAL BLVD, Denver, CO 80204
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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.

ILENE NICOLE SOLOMON LCSW
Social Worker (Clinical)
1405 FEDERAL BLVD
DENVER, CO 80204
Denver County (303) 504-1517
BRITTNEY BUNNELL RN
Registered Nurse
1405 FEDERAL BLVD
DENVER, CO 80204
Denver County (303) 504-1500
MARIA RUIZ-WILLIAMS CI
Interpreter
1405 FEDERAL BLVD
DENVER, CO 80204
Denver County (303) 504-1500
MS. ROXANNA LEE MCNEIL MA-PSYCHOLOGY, LPC
Counselor (Professional)
1405 FEDERAL BLVD
DENVER, CO 80204
Denver County (303) 504-1548
MS. KRISTIN LEIGH CHIVERS LCSW
Counselor
1405 FEDERAL BLVD
DENVER, CO 80204
Denver County (303) 656-6278
MS. MEGAN ELIZABETH THOMAS
Case Manager/Care Coordinator
1405 FEDERAL BLVD
DENVER, CO 80204
Denver County (720) 235-0027
ROSSANA CASTANON
Counselor (Professional)
1405 FEDERAL BLVD
DENVER, CO 80204
Denver County (303) 504-1900
KIMBERLY KNOWLTON
Social Worker (Clinical)
1405 FEDERAL BLVD
DENVER, CO 80204
Denver County (303) 504-1500

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 Gary Nitta's NPI number?

The NPI number for Gary Nitta is 1689634412. It was assigned to this individual provider in the NPPES registry on March 24, 2006.

Where is Gary Nitta located?

Gary Nitta practices at 1405 Federal Blvd, Denver, CO 80204. The listed phone number is (303) 504-1500.

What is Gary Nitta'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 Gary Nitta was last updated on July 13, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 33 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.