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

MR. JUSTYN GILLEN
NPI 1487568267
Counselor - Addiction (Substance Use Disorder) in Denver, CO

Active since September 30, 2026
329 S ALCOTT ST, DENVER, CO 80219(720) 545-8422 Get Directions Write a Review

NPPES record added: September 30, 2026. Verified against the NPPES registry weekly; last sync: October 04, 2026.

About Mr. Justyn Gillen NPPES

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

MR. JUSTYN GILLEN (NPI 1487568267) is an individual addiction (substance use disorder) provider in Denver, Colorado and active in the NPI registry since September 2026.

NPPES Registry Identity

NPI1487568267
Entity TypeIndividualMale
Primary Taxonomy101YA0400X
Provider Legal NameMR. JUSTYN GILLEN
Location Address329 S ALCOTT STDenver, CO 80219-3014
Mailing Address10562 Cherrybrook CirHighlands Ranch, CO 80126-5588 · (720) 545-8422
Phone(720) 545-8422
Sole ProprietorYes
Enumeration DateSeptember 30, 2026
NPPES CertifiedSeptember 30, 2026
✔ NPI 1487568267 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
329 S ALCOTT ST, Denver, CO 80219
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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 Justyn Gillen's NPI number?

The NPI number for Justyn Gillen is 1487568267. It was assigned to this individual provider in the NPPES registry on September 30, 2026.

Where is Justyn Gillen located?

Justyn Gillen practices at 329 S Alcott St, Denver, CO 80219. The listed phone number is (720) 545-8422.

What is Justyn Gillen'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 Justyn Gillen was last updated on September 30, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 6 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.