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

Lesly Marie Kassmier, LCPC

Individual provider Mental Health Counselor · NPI 1740617075

Lesly Marie Kassmier, LCPC is a Mental Health Counselor in Lewistown, Montana. Qualified in 2011, 15 years ago. Accepts Medicare assignment. Licensed in Montana.

Years since qualifying
15
Licensed in
MT
In the registry since
2013
What do these letters mean?
LCPC — Licensed Clinical Professional Counselor
A licensed clinical counsellor.

See every abbreviation used in this directory →

Claim this listing Report a problem Suggest an edit

Practice location Address checks out

712 W Water St
Lewistown, MT 59457-3160
Phone: (406) 366-0205
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

Mental Health Counselor (primary) Taxonomy 101YM0800X · Licence 4691 (MT)

Record details

NPI number1740617075
Entity typeIndividual (Type 1)
GenderFemale
Credentials LCPC
Sole proprietorNo
NPI enumeratedOctober 1, 2013
Last updated in NPPESJanuary 28, 2026
Certification dateJanuary 28, 2026

Medicare enrollment

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

Medicare specialtyMENTAL HEALTH COUNSELOR
Medical schoolOTHER
Graduated 2011 (15 years in practice)
Accepts Medicare assignment Yes — accepts the Medicare-approved amount
Practice locations4 on file with Medicare

Other providers in Lewistown