MRS. WENDY P. GRIM APRN-FNP
NPI 1255037263
Nurse Practitioner in Dillon, MT
About Mrs. Wendy P. Grim Aprn-fnp NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
MRS. WENDY P. GRIM APRN-FNP (NPI 1255037263) is an individual nurse practitioner in Dillon, Montana, licensed in Montana (212533) and active in the NPI registry since February 2023. She is enrolled in Medicare PECOS, is affiliated with St James Healthcare, and is a graduate of Other (2022).
NPPES Registry Identity
Specialties & Licenses
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
Mrs. Wendy P. Grim Aprn-fnp 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 Wendy Grim reassigns Medicare billing to 1 organization. The organization bills Medicare for the services this provider delivers there.
Dillon, MT 59725
- Reassigned Medicare billing, Montana enrollment
- 30 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 2
Hospitals where this provider delivers care, identified from recent Medicare claims and place-of-service records.
St James Healthcare
Acute Care Hospitals · Butte, MTBarrett Hospital & Healthcare
Critical Access Hospitals · Dillon, MTPhysician Visit Costs CMS claims · ZIP area
Typical Medicare office-visit costs in the 59725 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 4
Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.
DILLON, MT 59725
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 Wendy Grim's NPI number?
The NPI number for Wendy Grim is 1255037263. It was assigned to this individual provider in the NPPES registry on February 1, 2023.
Where is Wendy Grim located?
Wendy Grim practices at 41 Barrett St, Dillon, MT 59725. The listed phone number is (406) 683-4440.
What is Wendy Grim's specialty?
The primary specialty registered for this NPI is Nurse Practitioner with taxonomy code 363L00000X.
Is Wendy Grim enrolled in Medicare?
Yes. Wendy Grim 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 Wendy Grim's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Wendy Grim reassigns Medicare benefits to Butte Silver Bow Primary Health Care Clinic Inc (Dillon, 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 Wendy Grim's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.
What insurance does Wendy Grim accept?
Health plans from Blue Cross and Blue Shield of Montana, Mountain Health CO-OP, PacificSource Health Plans and Providence Health Plan list Wendy Grim 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 Wendy Grim affiliated with any hospitals?
According to CMS data, Wendy Grim is affiliated with St James Healthcare and Barrett Hospital & Healthcare.
When was this NPI record last updated?
The NPPES record for Wendy Grim was last updated on February 2, 2023. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 3 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.
# Mrs. Wendy P. Grim, APRN-FNP · NPI 1255037263
Nurse Practitioner physician in Dillon, Montana. Individual provider, active in the CMS NPPES registry since February 1, 2023.
## Identity
- **NPI:** 1255037263 (Entity type: Individual)
- **Enumerated:** February 1, 2023
- **Primary specialty:** Nurse Practitioner · taxonomy 363L00000X
- **State license:** 212533 (Montana)
- **Sole proprietor:** No
## Practice location
- **Address:** 41 BARRETT ST, Dillon, MT 59725-3508
- **Phone:** (406) 683-4440
## 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:** Butte Silver Bow Primary Health Care Clinic Inc (NPI 1235238718, Dillon, MT), under Medicare reassignment (form CMS-855R) · CMS Revalidation Reassignment List, October 2026 release
- **Medical school:** Other, class of 2022
## Record status
- **NPPES last updated:** February 2, 2023
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Source: [NPI Profile](https://npiprofile.com/npi/1255037263) · Data from the CMS NPPES public registry.