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KATHERINE EMILY TILLSON LAC, LCSW
NPI 1659944403
Social Worker - Clinical in Belgrade, MT

Active since July 20, 2021PECOS Enrolled
19 E MAIN ST, BELGRADE, MT 59714(406) 924-5754 Get Directions Write a Review

NPPES record last updated: December 8, 2025. Verified against the NPPES registry weekly; last sync: August 09, 2026.

Record update history: Dec 8, 2025, Sep 7, 2021, Aug 20, 2021 and 1 more (4 updates tracked since 2021).

About Katherine Emily Tillson Lac, Lcsw NPPES

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

KATHERINE EMILY TILLSON LAC, LCSW (NPI 1659944403) is an individual clinical provider in Belgrade, Montana, licensed in Montana (BBH-LCSW-LIC-50116) and active in the NPI registry since July 2021. She is enrolled in Medicare PECOS and maintains a secondary practice location in Manhattan.

NPPES Registry Identity

NPI1659944403
Entity TypeIndividualFemale
Primary Taxonomy1041C0700X
Provider Legal NameKATHERINE EMILY TILLSONCredential: LAC, LCSW
Location Address19 E MAIN STBelgrade, MT 59714-3715
Mailing Address19 E Main StBelgrade, MT 59714-3715 · (406) 924-5754
Phone(406) 924-5754
Sole ProprietorNo
Enumeration DateJuly 20, 2021
Last NPPES UpdateDecember 8, 20254 updates tracked since enumeration
NPPES CertifiedDecember 8, 2025
✔ NPI 1659944403 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses 2

★ Primary SpecialtySocial Worker · ClinicalBehavioral Health & Social Service Providers
Taxonomy Code1041C0700X
License✔ Licensed in MT · BBH-LCSW-LIC-50116
Definition
A social worker who holds a master's or doctoral degree in social work from an accredited school of social work in addition to at least two years of post-master's supervised experience in a clinical setting. The social worker must be licensed, certified, or registered at the clinical level in the jurisdiction of practice. A clinical social worker provides direct services, including interventions focused on interpersonal interactions, intrapsychic dynamics, and life management issues. Clinical social work services are based on bio-psychosocial perspectives. Services consist of assessment, diagnosis, treatment (including psychotherapy and counseling), client-centered advocacy, consultation, evaluation, and prevention of mental illness, emotional, or behavioral disturbances.
Also ListedCounselor · Addiction (Substance Use Disorder)Taxonomy 101YA0400X
19 E MAIN ST, Belgrade, MT 59714
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Secondary Practice Location 1

Location 1208 S Broadway StManhattan, MT 59741-2241 · Phone (415) 577-1740

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)

Katherine Emily Tillson Lac, Lcsw 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.

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 59714 ZIP code area, from fee-for-service claims. These are area statistics, not this provider’s prices; actual charges vary by service and coverage.

New Patient
$0.00 typical visit price
range $56.81 – $172.26
Typical copayment $0.00 (range $14.20 – $43.06)
Most-billed visit code NA
Established Patient
$70.82 typical visit price
range $18.24 – $140.32
Typical copayment $17.70 (range $4.56 – $35.08)
Most-billed visit code 99213
Amounts reflect what Medicare beneficiaries in this ZIP area are typically charged for office visits. Patients with other coverage should check their individual plans.

Other Providers at the Same Location NPPES 13

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

KIRSTI LEE HAHN
Nurse Practitioner
19 E MAIN ST
BELGRADE, MT 59714
Gallatin County (406) 924-5754
DR. ROBERT ANDERSEN D.M.D.
Dentist
19 E MAIN ST
BELGRADE, MT 59714
Gallatin County (406) 922-0820
SARAH MORGAN MD
Family Medicine
19 E MAIN ST
BELGRADE, MT 59714
Gallatin County (406) 924-5754
MRS. DEBORAH LEE KERN
Nurse Practitioner (Family)
19 E MAIN ST
BELGRADE, MT 59714
Gallatin County (406) 222-1111
MRS. AMY CUNNINGHAM BERGHOLD NP
Nurse Practitioner (Family)
19 E MAIN ST
BELGRADE, MT 59714
Gallatin County (406) 922-0820
BIGHORN VALLEY HEALTH CENTER, INCORPORATED
Clinic/Center (Federally Qualified Health Center (FQHC))
19 E MAIN ST
BELGRADE, MT 59714
Gallatin County (406) 222-1111
MICHELE ELAINE VIOLI LCSW
Social Worker (Clinical)
19 E MAIN ST
BELGRADE, MT 59714
Gallatin County (406) 922-0823
MARY FRANCES ELIZABETH THORNTON LCSW
Social Worker (Clinical)
19 E MAIN ST
BELGRADE, MT 59714
Gallatin County (406) 924-5754

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 Katherine Tillson's NPI number?

The NPI number for Katherine Tillson is 1659944403. It was assigned to this individual provider in the NPPES registry on July 20, 2021.

Where is Katherine Tillson located?

Katherine Tillson practices at 19 E Main St, Belgrade, MT 59714. The listed phone number is (406) 924-5754.

What is Katherine Tillson's specialty?

The primary specialty registered for this NPI is Social Worker, specializing in Clinical, with taxonomy code 1041C0700X.

Is Katherine Tillson enrolled in Medicare?

Yes. Katherine Tillson is registered in the Medicare PECOS enrollment system.

What insurance does Katherine Tillson accept?

Health plans from Blue Cross and Blue Shield of Montana and Mountain Health CO-OP list Katherine Tillson 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 Katherine Tillson was last updated on December 8, 2025. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 8 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.