Provider records sourced from NPPES (CMS National Plan & Provider Enumeration System). Data current as of August 10, 2026.
NPIDirectory

Erin Kathleen McMahon, LCPC, LAC

Individual provider Addiction (Substance Use Disorder) Counselor · NPI 1467009415

Erin Kathleen McMahon, LCPC, LAC is a Mental Health Counselor in Helena, Montana. Qualified in 2019, 7 years ago. Practices as a sole proprietor and accepts Medicare assignment. Licensed in Montana.

Years since qualifying
7
Licensed in
MT
In the registry since
2019
Specialties on file
2
What do these letters mean?
LCPC — Licensed Clinical Professional Counselor
A licensed clinical counsellor.
LAC — Licensed Associate Counselor
A counsellor practising under supervision toward full licensure. In some states the same letters mean Licensed Acupuncturist.

See every abbreviation used in this directory →

Claim this listing Report a problem Suggest an edit

Practice location Address checks out

535 Saddle Dr
Helena, MT 59601-5634
Phone: (406) 558-9062
Fax: (406) 449-8828
Show map & directions

Directions in Google Maps · Apple Maps · OpenStreetMap

Pin is approximate — placed at the ZIP-code centre, not the exact door.

Specialties & licences

Professional Counselor (primary) Taxonomy 101YP2500X · Licence LCPC-LIC-52379 (MT)
Addiction (Substance Use Disorder) Counselor Taxonomy 101YA0400X · Licence BBH-LAC-LIC-38099 (MT)

Record details

NPI number1467009415
Entity typeIndividual (Type 1)
GenderFemale
Credentials LCPC , LAC
Sole proprietorYes
NPI enumeratedAugust 23, 2019
Last updated in NPPESMarch 30, 2022
Certification dateMarch 30, 2022

Medicare enrollment

From the CMS Doctors & Clinicians file — this clinician is enrolled in Medicare.

Medicare specialtyMENTAL HEALTH COUNSELOR
Medical schoolOTHER
Graduated 2019 (7 years in practice)
Accepts Medicare assignment Yes — accepts the Medicare-approved amount

Other providers in Helena