SARAH MCALLISTER FNP
NPI 1760126155
Nurse Practitioner in Billings, MT
About Sarah Mcallister Fnp NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
SARAH MCALLISTER FNP (NPI 1760126155) is an individual nurse practitioner in Billings, Montana, licensed in Montana (NUR-APRN-LIC-161924) and active in the NPI registry since April 2022. She is enrolled in Medicare PECOS, is affiliated with Billings Clinic, and is a graduate of Other (2020).
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
Sarah Mcallister 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 Sarah Mcallister reassigns Medicare billing to 1 organization. The organization bills Medicare for the services this provider delivers there.
Billings, MT 59101
- Reassigned Medicare billing, Montana enrollment
- 1,264 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 3
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 3
Hospitals where this provider delivers care, identified from recent Medicare claims and place-of-service records.
Billings Clinic
Acute Care Hospitals · Billings, MTFrances Mahon Deaconess Hospital
Critical Access Hospitals · Glasgow, MTCody Regional Health
Critical Access Hospitals · Cody, WYPhysician Visit Costs CMS claims · ZIP area
Typical Medicare office-visit costs in the 59101 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 20
Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.
BILLINGS, MT 59101
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 Sarah Mcallister's NPI number?
The NPI number for Sarah Mcallister is 1760126155. It was assigned to this individual provider in the NPPES registry on April 22, 2022.
Where is Sarah Mcallister located?
Sarah Mcallister practices at 801 N 29th St, Billings, MT 59101. The listed phone number is (406) 238-2500.
What is Sarah Mcallister's specialty?
The primary specialty registered for this NPI is Nurse Practitioner with taxonomy code 363L00000X.
Is Sarah Mcallister enrolled in Medicare?
Yes. Sarah Mcallister 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 Sarah Mcallister's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Sarah Mcallister reassigns Medicare benefits to Billings Clinic (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 Sarah Mcallister's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.
What insurance does Sarah Mcallister accept?
Health plans from Blue Cross and Blue Shield of Montana, Mountain Health CO-OP, PacificSource Health Plans and Providence Health Plan list Sarah Mcallister 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 Sarah Mcallister affiliated with any hospitals?
According to CMS data, Sarah Mcallister is affiliated with Billings Clinic, Frances Mahon Deaconess Hospital and Cody Regional Health.
When was this NPI record last updated?
The NPPES record for Sarah Mcallister was last updated on October 12, 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.