DR. LANCE LYNN STEWART MD
NPI 1174526503
Family Medicine in Shelby, MT
About Dr. Lance Lynn Stewart Md NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
DR. LANCE LYNN STEWART MD (NPI 1174526503) is an individual family medicine provider in Shelby, Montana, licensed in Montana (8293) and active in the NPI registry since May 2005. He is enrolled in Medicare PECOS, is affiliated with Benefis Hospitals Inc, and is a graduate of University Of Utah School Of Medicine (1994).
NPPES Registry Identity
Specialties & Licenses
Other Identifiers 1
Accepted 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
Dr. Lance Lynn Stewart Md 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.
Medicare Billing Reassignment
Medicare enrollment records show Lance Stewart reassigns Medicare billing to 1 organization. The organization bills Medicare for the services this provider delivers there.
Shelby, MT 59474
- Reassigned Medicare billing, Montana enrollment
- 19 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.
Areas of Expertise CMS Part B claims
Services this provider delivered to Medicare fee-for-service patients, from the CMS Medicare utilization data. Higher counts generally reflect more experience with a service; care delivered outside Medicare is not included.
Hospital Affiliations CMS Care Compare 4
Hospitals where this provider delivers care, identified from recent Medicare claims and place-of-service records.
Benefis Hospitals Inc
Acute Care Hospitals · Great Falls, MTGreat Falls Clinic Hospital
Acute Care Hospitals · Great Falls, MTPondera Medical Center
Critical Access Hospitals · Conrad, MTLogan Health - Shelby
Critical Access Hospitals · Shelby, MTPhysician Visit Costs CMS claims · ZIP area
Typical Medicare office-visit costs in the 59474 ZIP code area, from fee-for-service claims. These are area statistics, not this provider’s prices; actual charges vary by service and coverage.
Referred Medical Equipment & Supplies CMS DME claims 5
Durable medical equipment, devices and supplies this provider ordered from DME suppliers for patients, from Medicare fee-for-service claims.
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.
SHELBY, MT 59474
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 Lance Stewart's NPI number?
The NPI number for Lance Stewart is 1174526503. It was assigned to this individual provider in the NPPES registry on May 31, 2005.
Where is Lance Stewart located?
Lance Stewart practices at 1950 W Roosevelt Hwy, Shelby, MT 59474. The listed phone number is (406) 434-3100.
What is Lance Stewart's specialty?
The primary specialty registered for this NPI is Family Medicine with taxonomy code 207Q00000X.
Is Lance Stewart enrolled in Medicare?
Yes. Lance Stewart 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 Lance Stewart's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Lance Stewart reassigns Medicare benefits to Marias Healthcare Services Inc (Shelby, 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 Lance Stewart's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.
What insurance does Lance Stewart accept?
Health plans from Blue Cross and Blue Shield of Montana, Mountain Health CO-OP, PacificSource Health Plans and Providence Health Plan list Lance Stewart 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.
Is Lance Stewart affiliated with any hospitals?
According to CMS data, Lance Stewart is affiliated with Benefis Hospitals Inc, Great Falls Clinic Hospital, Pondera Medical Center and Logan Health - Shelby.
When was this NPI record last updated?
The NPPES record for Lance Stewart was last updated on August 22, 2025. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 13 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.