TAMARA M WELSH MD
NPI 1447251392
Family Medicine in Lewistown, MT
About Tamara M Welsh Md NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
TAMARA M WELSH MD (NPI 1447251392) is an individual family medicine provider in Lewistown, Montana, licensed in Montana (10601) and active in the NPI registry since August 2005. She is enrolled in Medicare PECOS.
NPPES Registry Identity
Specialties & Licenses
Other Identifiers 5
Accepted Insurance
Medicare Participation & PECOS CMS
Medicare enrollment, assignment, billing reassignment, and ordering and referring status from CMS.
Medicare Enrollment Status
Enrolled in Medicare (PECOS)
Tamara M Welsh Md is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).
Medicare Billing Reassignments
4Medicare enrollment records show Tamara Welsh reassigns Medicare billing to 4 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.
Lewistown, MT 59457
- Reassigned Medicare billing, Montana enrollment
- Also billed through NPI 1770696601 (Montana)
- 83 clinicians in this Medicare group
Lewistown, MT 59457
- Reassigned Medicare billing, Montana enrollment
- Medicare enrollment name: Central Montana Community Health Center, Inc.
- 8 clinicians in this Medicare group
Great Falls, MT 59405
- Reassigned Medicare billing, Montana enrollment
- 163 clinicians in this Medicare group
Townsend, MT 59644
- Reassigned Medicare billing, Montana enrollment
- Also billed through NPI 1447245857 (Montana)
- 65 clinicians in this Medicare group
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 59457 ZIP code area, from fee-for-service claims. These are area statistics, not this provider’s prices; actual charges vary by service and coverage.
Other Providers at the Same Location NPPES 15
Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.
LEWISTOWN, MT 59457
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 Tamara Welsh's NPI number?
The NPI number for Tamara Welsh is 1447251392. It was assigned to this individual provider in the NPPES registry on August 2, 2005.
Where is Tamara Welsh located?
Tamara Welsh practices at 310 Wendell Ave Suite 103, Lewistown, MT 59457. The listed phone number is (406) 535-1480.
What is Tamara Welsh's specialty?
The primary specialty registered for this NPI is Family Medicine with taxonomy code 207Q00000X.
Is Tamara Welsh enrolled in Medicare?
Yes. Tamara Welsh is registered in the Medicare PECOS enrollment system.
Which organizations bill Medicare for Tamara Welsh's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Tamara Welsh reassigns Medicare benefits to 4 organizations: Central Montana Medical Facilities, Inc. (Lewistown, MT), Bighorn Valley Health Center Incorporated (Lewistown, MT), Cmsc, LLC (Great Falls, MT) and Townsend Health Systems Inc, (Townsend, MT). Each 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 Tamara Welsh's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.
What insurance does Tamara Welsh accept?
Health plans from Blue Cross and Blue Shield of Montana, Mountain Health CO-OP and Providence Health Plan list Tamara Welsh 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 Tamara Welsh was last updated on October 22, 2009. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 17 years 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.
# Tamara M Welsh, MD · NPI 1447251392
Family Medicine physician in Lewistown, Montana. Individual provider, active in the CMS NPPES registry since August 2, 2005.
## Identity
- **NPI:** 1447251392 (Entity type: Individual)
- **Enumerated:** August 2, 2005
- **Primary specialty:** Family Medicine · taxonomy 207Q00000X
- **State license:** 10601 (Montana)
- **Sole proprietor:** No
## Practice location
- **Address:** 310 WENDELL AVE, SUITE 103, Lewistown, MT 59457-2267
- **Phone:** (406) 535-1480 · **Fax:** (406) 535-1481
## Medicare
- **Medicare:** Enrolled in Medicare (PECOS)
- **Ordering & referring:** eligible for Part B labs & imaging, durable medical equipment, home health, power mobility devices
- **Bills Medicare through:** 4 organizations under Medicare reassignment (form CMS-855R): Central Montana Medical Facilities, Inc. (NPI 1336252758, Lewistown, MT); Bighorn Valley Health Center Incorporated (NPI 1942450432, Lewistown, MT); Cmsc, LLC (NPI 1639109978, Great Falls, MT); Townsend Health Systems Inc, (NPI 1205175700, Townsend, MT) · CMS Revalidation Reassignment List, October 2026 release
## Record status
- **NPPES last updated:** October 22, 2009
- **Other identifiers:** Medicare UPIN H75765; Medicare ID-Type Unspecified 011000266 (MT); Other 96426 (MT); and 2 more
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Source: [NPI Profile](https://npiprofile.com/npi/1447251392) · Data from the CMS NPPES public registry.