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LESLY MARIE KASSMIER LCPC
NPI 1740617075
Counselor - Mental Health in Lewistown, MT

Active since October 01, 2013PECOS Enrolled
712 W WATER ST, LEWISTOWN, MT 59457(406) 366-0205 Get Directions Write a Review

NPPES record last updated: January 28, 2026. Verified against the NPPES registry weekly; last sync: July 19, 2026.

About Lesly Marie Kassmier Lcpc NPPES

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

LESLY MARIE KASSMIER LCPC (NPI 1740617075) is an individual mental health provider in Lewistown, Montana, licensed in Montana (4691) and active in the NPI registry since October 2013. She is enrolled in Medicare PECOS.

NPPES Registry Identity

NPI1740617075
Entity TypeIndividualFemale
Primary Taxonomy101YM0800X
Provider Legal NameLESLY MARIE KASSMIERCredential: LCPC
Location Address712 W WATER STLewistown, MT 59457-3160
Mailing AddressPo Box 1419Fort Benton, MT 59442-1419 · (406) 496-6314
Phone(406) 366-0205
Sole ProprietorNo
Enumeration DateOctober 1, 2013
Last NPPES UpdateJanuary 28, 2026
NPPES CertifiedJanuary 28, 2026
✔ NPI 1740617075 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyCounselor · Mental HealthBehavioral Health & Social Service Providers
Taxonomy Code101YM0800X
License✔ Licensed in MT · 4691
712 W WATER ST, Lewistown, MT 59457
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Accepted Insurance

The full list of accepted plans is on the Insurance tab. Issuers include Blue Cross and Blue Shield of Montana, Mountain Health CO-OP.Insurance ›

Medicare Participation & PECOS CMS

Medicare enrollment, assignment, and ordering and referring status from the CMS PECOS system.

Medicare Enrollment Status

✔

Enrolled in Medicare (PECOS)

Lesly Marie Kassmier Lcpc is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).

Eligible to Order & Refer✔ Part B Labs & Imaging✔ Durable Medical Equipment– Home Health Agency– Power Mobility DevicesPer the CMS Ordering and Referring file. Eligibility means Medicare pays claims that this provider orders or refers for these categories.

Other Providers at the Same Location NPPES

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

DEANNA R STEVENSON LCPC
Counselor (Professional)
712 W WATER ST
LEWISTOWN, MT 59457
Fergus County (406) 535-5990

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 Lesly Kassmier's NPI number?

The NPI number for Lesly Kassmier is 1740617075. It was assigned to this individual provider in the NPPES registry on October 1, 2013.

Where is Lesly Kassmier located?

Lesly Kassmier practices at 712 W Water St, Lewistown, MT 59457. The listed phone number is (406) 366-0205.

What is Lesly Kassmier's specialty?

The primary specialty registered for this NPI is Counselor, specializing in Mental Health, with taxonomy code 101YM0800X.

Is Lesly Kassmier enrolled in Medicare?

Yes. Lesly Kassmier is registered in the Medicare PECOS enrollment system.

What insurance does Lesly Kassmier accept?

Health plans from Blue Cross and Blue Shield of Montana and Mountain Health CO-OP list Lesly Kassmier as in-network in at least one marketplace plan. Coverage varies by plan and year; verify with the insurer or the provider before a visit.

When was this NPI record last updated?

The NPPES record for Lesly Kassmier was last updated on January 28, 2026. NPI Profile syncs with the weekly NPPES data releases published by CMS.