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Recently Updated NPI Information — some details in this NPI profile have been updated in the NPI registry within the last 60 days.

HEIDI WALTER LCSW
NPI 1750199568
Social Worker - Clinical in Helena, MT

Active since December 26, 2024PECOS Enrolled
2755 COLONIAL DR, HELENA, MT 59601(406) 444-7500 Get Directions Write a Review

NPPES record last updated: October 15, 2026. Verified against the NPPES registry weekly; last sync: October 25, 2026.

Record update history: Oct 15, 2026, Dec 26, 2024 (2 updates tracked since 2024).

About Heidi Walter Lcsw NPPES

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

HEIDI WALTER LCSW (NPI 1750199568) is an individual clinical provider in Helena, Montana, licensed in Montana (BBH-LCSW-LIC-78446) and active in the NPI registry since December 2024. He is enrolled in Medicare PECOS and is a graduate of Other (2021).

NPPES Registry Identity

NPI1750199568
Entity TypeIndividualMale
Primary Taxonomy1041C0700X
Provider Legal NameHEIDI WALTERCredential: LCSW
Location Address2755 COLONIAL DRHelena, MT 59601-4926
Mailing AddressPo Box 192Boulder, MT 59632-0192 · (406) 696-1040
Phone(406) 444-7500
Sole ProprietorNo
Medical School CMSOtherGraduated 2021
Enumeration DateDecember 26, 2024
Last NPPES UpdateOctober 15, 20262 updates tracked since enumeration
NPPES CertifiedOctober 15, 2026
✔ NPI 1750199568 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtySocial Worker · ClinicalBehavioral Health & Social Service Providers
Taxonomy Code1041C0700X
License✔ Licensed in MT · BBH-LCSW-LIC-78446
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.
2755 COLONIAL DR, Helena, MT 59601
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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, PacificSource Health Plans and more.Insurance ›

Medicare Participation & PECOS CMS

Medicare enrollment, assignment, billing reassignment, and ordering and referring status from CMS.

Medicare Enrollment Status

✔

Enrolled in Medicare (PECOS)

Heidi Walter Lcsw is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).

PECOS PAC ID446749949
PECOS Enrollment IDI20251025000630
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.

Medicare Billing Reassignment

Medicare enrollment records show Heidi Walter reassigns Medicare billing to 1 organization. The organization bills Medicare for the services this provider delivers there.

Montana Children's Home & Hospital
0.1 mi
Psychiatric Residential Treatment Facility
2755 COLONIAL DR
Helena, MT 59601
  • Reassigned Medicare billing, Montana enrollment
  • Medicare enrollment name: Montana Childrens Home & Hospital
  • 50 clinicians in this Medicare group
NPI 1255704508 (406) 444-7500

Source: CMS Revalidation Reassignment List, October 2026 release. Reassignment records can lag staffing changes; confirm a current affiliation with the organization.

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 59601 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 20

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

DR. DEANNA L. ARMSTRONG M.D.
Psychiatry & Neurology (Psychiatry)
2755 COLONIAL DR
HELENA, MT 59601
Lewis And Clark County (406) 444-7500
CHRISTINA MARIE HAWBAKER GC
Genetic Counselor, MS
2755 COLONIAL DR
HELENA, MT 59601
Lewis And Clark County (406) 444-1061
MS. CYNTHIA MARIE HUDSON MA, MS
Genetic Counselor, MS
2755 COLONIAL DR
HELENA, MT 59601
Lewis And Clark County (406) 444-7500
MARY KATHRYN SCHIEL MSN, APRN, PMHNP-BC
Nurse Practitioner (Psychiatric/Mental Health)
2755 COLONIAL DR
HELENA, MT 59601
Lewis And Clark County (406) 444-7500
COURTNEY LYNNE ROGASKI LCSW
Social Worker (Clinical)
2755 COLONIAL DR
HELENA, MT 59601
Lewis And Clark County (406) 444-7500
ALICIA MARIE GALAHAN
Nurse Practitioner (Psychiatric/Mental Health)
2755 COLONIAL DR
HELENA, MT 59601
Lewis And Clark County (406) 444-7500
MS. BLANCHE NICOLE SUMNER MS, LCPC
Counselor (Mental Health)
2755 COLONIAL DR
HELENA, MT 59601
Lewis And Clark County (406) 444-7500
THOMAS BOGEN OTR/L
Occupational Therapist
2755 COLONIAL DR
HELENA, MT 59601
Lewis And Clark County (406) 444-1129

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 Heidi Walter's NPI number?

The NPI number for Heidi Walter is 1750199568. It was assigned to this individual provider in the NPPES registry on December 26, 2024.

Where is Heidi Walter located?

Heidi Walter practices at 2755 Colonial Dr, Helena, MT 59601. The listed phone number is (406) 444-7500.

What is Heidi Walter's specialty?

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

Is Heidi Walter enrolled in Medicare?

Yes. Heidi Walter is registered in the Medicare PECOS enrollment system.

Which organization bills Medicare for Heidi Walter's services?

According to the CMS Revalidation Reassignment List (October 2026 release), Heidi Walter reassigns Medicare benefits to Montana Children's Home & Hospital (Helena, MT). The reassignment is filed with Medicare on form CMS-855R, signed by both the clinician and the organization, and lets the organization bill Medicare and receive payment for Heidi Walter's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.

What insurance does Heidi Walter accept?

Health plans from Blue Cross and Blue Shield of Montana, Mountain Health CO-OP, PacificSource Health Plans and UnitedHealthcare list Heidi Walter 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 Heidi Walter was last updated on October 15, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 17 days 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.