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TREVOR W. MCMAHON
NPI 1265276794
Counselor - Addiction (Substance Use Disorder) in Fresno, CA

Active since June 20, 2024
611 E BELMONT AVE, FRESNO, CA 93701(559) 237-3420 Get Directions Write a Review

NPPES record last updated: March 31, 2026. Verified against the NPPES registry weekly; last sync: August 02, 2026.

Record update history: Mar 31, 2026, Jun 20, 2024 (2 updates tracked since 2024).

About Trevor W. Mcmahon NPPES

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

TREVOR W. MCMAHON (NPI 1265276794) is an individual addiction (substance use disorder) provider in Fresno, California, licensed in California (18413) and active in the NPI registry since June 2024. He maintains 2 additional practice locations.

NPPES Registry Identity

NPI1265276794
Entity TypeIndividualMale
Primary Taxonomy101YA0400X
Provider Legal NameTREVOR W. MCMAHON
Location Address611 E BELMONT AVEFresno, CA 93701-1502
Mailing Address611 E Belmont AveFresno, CA 93701-1502 · (559) 237-3420
Phone(559) 237-3420
Sole ProprietorYes
Enumeration DateJune 20, 2024
Last NPPES UpdateMarch 31, 20262 updates tracked since enumeration
NPPES CertifiedMarch 31, 2026
✔ NPI 1265276794 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 CA · 18413
611 E BELMONT AVE, Fresno, CA 93701
Open in Google Maps ↗

Secondary Practice Locations 2

Location 12772 S M.L.K. Jr BlvdFresno, CA 93706 · Phone (559) 265-4800
Location 21235 E StFresno, CA 93706-2024 · Phone (559) 268-6261 · Fax (559) 268-7518

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.

RICHARD FRANK DUARTE II MS
Counselor (Addiction (Substance Use Disorder))
611 E BELMONT AVE
FRESNO, CA 93701
Fresno County (559) 237-3420
JEANETTE RODRIGUEZ ACSW #114514
Social Worker
611 E BELMONT AVE
FRESNO, CA 93701
Fresno County (559) 237-3420
ERIC JACOBSEN
Counselor (Addiction (Substance Use Disorder))
611 E BELMONT AVE
FRESNO, CA 93701
Fresno County (559) 237-3420
ANDREW PABLO RUBIO
Counselor (Addiction (Substance Use Disorder))
611 E BELMONT AVE
FRESNO, CA 93701
Fresno County (559) 237-3420
CARMELITA DEMUS
Counselor (Addiction (Substance Use Disorder))
611 E BELMONT AVE
FRESNO, CA 93701
Fresno County (559) 237-3420
AARON M GREENE
Counselor (Addiction (Substance Use Disorder))
611 E BELMONT AVE
FRESNO, CA 93701
Fresno County (559) 237-3402
MARINA HERRERA M.S
Counselor (Addiction (Substance Use Disorder))
611 E BELMONT AVE
FRESNO, CA 93701
Fresno County (559) 237-3420
MRS. ALYSSA NICOLE WAGNER
Counselor (Addiction (Substance Use Disorder))
611 E BELMONT AVE
FRESNO, CA 93701
Fresno County (559) 237-3420

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 Trevor Mcmahon's NPI number?

The NPI number for Trevor Mcmahon is 1265276794. It was assigned to this individual provider in the NPPES registry on June 20, 2024.

Where is Trevor Mcmahon located?

Trevor Mcmahon practices at 611 E Belmont Ave, Fresno, CA 93701. The listed phone number is (559) 237-3420.

What is Trevor 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 Trevor Mcmahon was last updated on March 31, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 4 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.