MARIA MCNEIL WILLIAMS APRN
NPI 1134501117
Nurse Practitioner - Primary Care in Polson, MT
About Maria Mcneil Williams Aprn NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
MARIA MCNEIL WILLIAMS APRN (NPI 1134501117) is an individual primary care provider in Polson, Montana, licensed in Montana (100769) and active in the NPI registry since June 2015. She is enrolled in Medicare PECOS, is affiliated with Logan Health - Whitefish, and is a graduate of Other (2013).
NPPES Registry Identity
Specialties & Licenses
Other Names 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
Maria Mcneil Williams Aprn 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 Reassignments
2Medicare enrollment records show Maria Williams reassigns Medicare billing to 2 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.
Columbia Falls, MT 59912
- Reassigned Medicare billing, Montana enrollment
- 4 clinicians in this Medicare group
Missoula, MT 59808
- Reassigned Medicare billing, Montana enrollment
- 10 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.
Hospital Affiliations CMS Care Compare
Hospitals where this provider delivers care, identified from recent Medicare claims and place-of-service records.
Logan Health - Whitefish
Critical Access Hospitals · Whitefish, MTPhysician Visit Costs CMS claims · ZIP area
Typical Medicare office-visit costs in the 59860 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
Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.
POLSON, MT 59860
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 Maria Williams's NPI number?
The NPI number for Maria Williams is 1134501117. It was assigned to this individual provider in the NPPES registry on June 25, 2015. The provider is also known as Maria Catherine Mcneil Aprn.
Where is Maria Williams located?
Maria Williams practices at 50125 Us Highway 93, Polson, MT 59860. The listed phone number is (406) 885-8385.
What is Maria Williams's specialty?
The primary specialty registered for this NPI is Nurse Practitioner, specializing in Primary Care, with taxonomy code 363LP2300X.
Is Maria Williams enrolled in Medicare?
Yes. Maria Williams 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 organizations bill Medicare for Maria Williams's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Maria Williams reassigns Medicare benefits to 2 organizations: Recovery Centers Of Montana LLC (Columbia Falls, MT) and Sunburst Health LLC (Missoula, 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 Maria Williams's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.
What insurance does Maria Williams accept?
Health plans from Blue Cross and Blue Shield of Montana, PacificSource Health Plans and Providence Health Plan list Maria Williams 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 Maria Williams affiliated with any hospitals?
According to CMS data, Maria Williams is affiliated with Logan Health - Whitefish.
When was this NPI record last updated?
The NPPES record for Maria Williams was last updated on January 5, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 9 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.
# Maria Mcneil Williams, APRN · NPI 1134501117
Primary Care physician in Polson, Montana. Individual provider, active in the CMS NPPES registry since June 25, 2015.
## Identity
- **NPI:** 1134501117 (Entity type: Individual)
- **Enumerated:** June 25, 2015
- **Primary specialty:** Nurse Practitioner - Primary Care · taxonomy 363LP2300X
- **State license:** 100769 (Montana)
- **Sole proprietor:** No
## Practice location
- **Address:** 50125 US HIGHWAY 93, Polson, MT 59860-7035
- **Phone:** (406) 885-8385 · **Fax:** (205) 273-2430
## Medicare
- **Medicare:** Enrolled (PECOS); accepts Medicare assignment
- **Ordering & referring:** eligible for Part B labs & imaging, durable medical equipment, home health, power mobility devices
- **Bills Medicare through:** 2 organizations under Medicare reassignment (form CMS-855R): Recovery Centers Of Montana LLC (NPI 1851906895, Columbia Falls, MT); Sunburst Health LLC (NPI 1093297764, Missoula, MT) · CMS Revalidation Reassignment List, October 2026 release
- **Medical school:** Other, class of 2013
## Record status
- **NPPES last updated:** January 5, 2026
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Source: [NPI Profile](https://npiprofile.com/npi/1134501117) · Data from the CMS NPPES public registry.