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ALLYSON MCMAHON
NPI 1972470201
Counselor - Addiction (Substance Use Disorder) in Denver, CO

Active since October 21, 2025
3600 HAVANA ST, DENVER, CO 80239(303) 371-4804 Get Directions Write a Review

NPPES record last updated: October 21, 2025. Verified against the NPPES registry weekly; last sync: August 09, 2026.

About Allyson Mcmahon NPPES

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

ALLYSON MCMAHON (NPI 1972470201) is an individual addiction (substance use disorder) provider in Denver, Colorado, licensed in Colorado (0001674) and active in the NPI registry since October 2025.

NPPES Registry Identity

NPI1972470201
Entity TypeIndividualFemale
Primary Taxonomy101YA0400X
Provider Legal NameALLYSON MCMAHON
Location Address3600 HAVANA STDenver, CO 80239-3266
Mailing Address1250 Academy Park LoopColorado Springs, CO 80910-3708 · (719) 579-9580
Phone(303) 371-4804
Sole ProprietorNo
Enumeration DateOctober 21, 2025
NPPES CertifiedOctober 21, 2025
✔ NPI 1972470201 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 CO · 0001674
3600 HAVANA ST, Denver, CO 80239
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Other Providers at the Same Location NPPES 10

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

DEBRA REILLY
Physician Assistant (Medical)
3600 HAVANA ST
DENVER, CO 80239
Denver County (303) 307-2667
DEPT. OF CORRECTIONS-DWCF
Clinic/Center (Health Service)
3600 HAVANA ST
DENVER, CO 80239
Denver County (303) 307-2600
MS. HILARY SOMERS VICTOROFF FNP
Nurse Practitioner (Primary Care)
3600 HAVANA ST
DENVER, CO 80239
Denver County (303) 307-2600
MRS. NANCY DARLENE NOLA NP
Nurse Practitioner
3600 HAVANA ST
DENVER, CO 80239
Denver County (303) 307-2600
DR. BYRON JAMES IRISH DDS
Dentist (General Practice)
3600 HAVANA ST
DENVER, CO 80239
Denver County (303) 307-2558
ELIZABETH BELL
Counselor (Addiction (Substance Use Disorder))
3600 HAVANA ST
DENVER, CO 80239
Denver County (303) 307-2635
COLORADO DEPARTMENT OF CORRECTIONS
Clinic/Center (Prison Health)
3600 HAVANA ST
DENVER, CO 80239
Denver County (303) 307-2611
MRS. TIFFANY NEARY PA-C
Physician Assistant (Medical)
3600 HAVANA ST
DENVER, CO 80239
Denver County (303) 307-2320

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 Allyson Mcmahon's NPI number?

The NPI number for Allyson Mcmahon is 1972470201. It was assigned to this individual provider in the NPPES registry on October 21, 2025.

Where is Allyson Mcmahon located?

Allyson Mcmahon practices at 3600 Havana St, Denver, CO 80239. The listed phone number is (303) 371-4804.

What is Allyson Mcmahon'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 Allyson Mcmahon was last updated on October 21, 2025. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 9 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.