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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.

NANCY THORSON LCSW
NPI 1740598788
Social Worker - Clinical in Billings, MT

Active since September 23, 2010PECOS EnrolledAccepts Medicare Assignment
1220 AVENUE C APT F, BILLINGS, MT 59102(406) 855-0013 Get Directions Write a Review

NPPES record last updated: September 16, 2026. Verified against the NPPES registry weekly; last sync: October 25, 2026.

About Nancy Thorson Lcsw NPPES

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

NANCY THORSON LCSW (NPI 1740598788) is an individual clinical provider in Billings, Montana, licensed in Montana (660) and active in the NPI registry since September 2010. She is enrolled in Medicare PECOS and is a graduate of Other (1998).

NPPES Registry Identity

NPI1740598788
Entity TypeIndividualFemale
Primary Taxonomy1041C0700X
Provider Legal NameNANCY THORSONCredential: LCSW
Location Address1220 AVENUE C APT FBillings, MT 59102-3200
Mailing Address1220 Avenue C Apt FBillings, MT 59102-3200 · (406) 855-0013
Phone(406) 855-0013
Sole ProprietorYes
Medical School CMSOtherGraduated 1998
Enumeration DateSeptember 23, 2010
Last NPPES UpdateSeptember 16, 2026
NPPES CertifiedSeptember 16, 2026
✔ NPI 1740598788 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 · 660
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.
1220 AVENUE C APT F, Billings, MT 59102
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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, Providence Health Plan 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 and accepts Medicare assignment

Nancy Thorson Lcsw is registered in PECOS and agrees to accept the Medicare-approved amount as full payment. Medicare patients are not billed beyond the standard deductible and coinsurance.

PECOS PAC ID9537319611
PECOS Enrollment IDI20191015002165
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 Nancy Thorson reassigns Medicare billing to 1 organization. The organization bills Medicare for the services this provider delivers there.

Indigo Counseling LLC
Same address
Clinical
1220 AVENUE C APT F
Billings, MT 59102
  • Reassigned Medicare billing, Montana enrollment
NPI 1083269203 (406) 855-0013

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 59102 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 14

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

SILVER SPARK PC
Counselor (Professional)
1220 AVENUE C APT F
BILLINGS, MT 59102
Yellowstone County (406) 794-8951
INDIGO COUNSELING LLC
Social Worker (Clinical)
1220 AVENUE C APT F
BILLINGS, MT 59102
Yellowstone County (406) 855-0013
ROCHELLE SMITH LAC
Counselor (Professional)
1220 AVENUE C APT F
BILLINGS, MT 59102
Yellowstone County (406) 212-7359
TIMOTHY NORDSTROM LCSW
Social Worker
1220 AVENUE C APT F
BILLINGS, MT 59102
Yellowstone County (406) 425-4141
EBENEZER EQUINE
Counselor (Professional)
1220 AVENUE C APT F
BILLINGS, MT 59102
Yellowstone County (406) 212-7359
MR. CHAVIS LEE NICHOLLS LCSW, LAC
Social Worker (Clinical)
1220 AVENUE C APT F
BILLINGS, MT 59102
Yellowstone County (066) 981-6194
CORY TRENT HEGGEM LCSW
Social Worker (Clinical)
1220 AVENUE C APT F
BILLINGS, MT 59102
Yellowstone County (406) 839-0822
CONFIDENTIAL COUNSELING AND CONSULTATION LLC
Social Worker (Clinical)
1220 AVENUE C APT F
BILLINGS, MT 59102
Yellowstone County (406) 698-1619

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 Nancy Thorson's NPI number?

The NPI number for Nancy Thorson is 1740598788. It was assigned to this individual provider in the NPPES registry on September 23, 2010.

Where is Nancy Thorson located?

Nancy Thorson practices at 1220 Avenue C Apt F, Billings, MT 59102. The listed phone number is (406) 855-0013.

What is Nancy Thorson's specialty?

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

Is Nancy Thorson enrolled in Medicare?

Yes. Nancy Thorson is registered in the Medicare PECOS system and accepts Medicare assignment, which means accepting the Medicare-approved amount as payment in full for covered services.

Which organization bills Medicare for Nancy Thorson's services?

According to the CMS Revalidation Reassignment List (October 2026 release), Nancy Thorson reassigns Medicare benefits to Indigo Counseling LLC (Billings, 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 Nancy Thorson's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.

What insurance does Nancy Thorson accept?

Health plans from Blue Cross and Blue Shield of Montana, Mountain Health CO-OP, Providence Health Plan and UnitedHealthcare list Nancy Thorson 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 Nancy Thorson was last updated on September 16, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 45 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.