Allyson McMahon
Addiction (Substance Use Disorder) Counselor · Denver, CO
Allyson McMahon is an addiction (substance use disorder) counselor with a practice address in Denver, Colorado, and NPI 1972470201, issued on Oct 21, 2025. Check the license (Colorado 0001674, as entered in NPPES) with the Colorado board that licenses this profession; the federal record below is the public data PlainDoctor holds for this provider.
- Name
- Allyson McMahon
- Primary taxonomy
- Addiction (Substance Use Disorder) Counselor 101YA0400X
- License number
- 0001674 CO
Self-reported in NPPES; status is on the state search - Practice location
- 3600 Havana St, Denver, CO 80239
- Phone
- (303) 371-4804
- Enumerated
- Oct 21, 2025
- Record last updated
- Oct 21, 2025
- Entity
- Type 1 · individual
8 nearest addiction (substance use disorder) counselor records → All 1,876 in Colorado → Look up another NPI →
Also registered at 3600 Havana St
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Verify Allyson McMahon in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersWhich Colorado board licenses this profession
Search for license 0001674Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
Allyson McMahon among 1,876 addiction (substance use disorder) counselor records in Colorado
Allyson McMahon is one of 1,876 addiction (substance use disorder) counselor records with a practice address in Colorado. 2% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does not. Its NPI, issued in 2025, is newer than 89% of them.
- NPI issued2025 · 89% of these records are older, 5% newer
- In a Medicare fileNo · 2% of these records are
- In the CMS Doctors and Clinicians fileNo · 4% of these records are
- Record last updated2025 · 55% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 101YA0400X and a Colorado practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
353 addiction (substance use disorder) counselor records list a practice address in Denver
They are 353 of the 25,068 NPPES records with a practice address in Denver, and 1,876 addiction (substance use disorder) counselor records in Colorado. No Medicare prescribing, quality score, industry payment or hospital affiliation is published for this NPI.
All 1,876 in Colorado → Every provider in Denver → Addiction (Substance Use Disorder) Counselor nationwide →
The 8 addiction (substance use disorder) counselor records with the nearest ZIP codes
- Elizabeth BellDenver, CO 802391548137771
- Ginina HatcherDenver, CO 802391215765235
- Webster Hendricks, BS, CAC IIIDenver, CO 802391205804507
- Joel Hodge, QBHADenver, CO 802391225984933
- Lee NewtonDenver, CO 802391730034257
- Joseph RichardsonDenver, CO 802391851269138
- Celeste Apodaca, LAC, LPCCDenver, CO 802381952876112
- Meghan Behring, CASDenver, CO 802381275201170
Common questions
What is Allyson McMahon's NPI number?
Allyson McMahon's National Provider Identifier (NPI) is 1972470201, issued on Oct 21, 2025. An NPI identifies a provider in billing; it is not a license.
Where is Allyson McMahon located?
The NPPES record lists a practice address at 3600 Havana St, Denver, CO, 80239. Phone: (303) 371-4804. Providers update this record themselves, so call before visiting.
How can I verify Allyson McMahon's license?
NPPES lists Colorado license number 0001674, as entered by the provider. Search the Colorado board that licenses this profession; the NPPES record confirms identity only.
Source: CMS National Plan and Provider Enumeration System (NPPES), file of Aug 9, 2026 (NPPES files on CMS.gov); NUCC Health Care Provider Taxonomy. An NPI identifies who bills; it is not a license.
Figures on PlainDoctor are read from the federal files each page names (CMS NPPES, Medicare Part D, MIPS, Open Payments; the HHS-OIG exclusion list only as counts) and from Census population estimates, with the file date shown beside them. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error. Data current as of Aug 9, 2026.