JANICE OSTERMILLER FNP-BC
NPI 1386059509
Nurse Practitioner - Adult Health in Billings, MT
About Janice Ostermiller Fnp-bc NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
JANICE OSTERMILLER FNP-BC (NPI 1386059509) is an individual adult health provider in Billings, Montana, licensed in Montana (NUR-APRN-LIC-100869) and active in the NPI registry since June 2014. She is enrolled in Medicare PECOS, is affiliated with Billings Clinic, and is a graduate of Other (2014).
NPPES Registry Identity
Specialties & Licenses 2
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
Janice Ostermiller Fnp-bc 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
5Medicare enrollment records show Janice Ostermiller reassigns Medicare billing to 5 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.
Billings, MT 59101
- Reassigned Medicare billing, Montana enrollment
- 1,264 clinicians in this Medicare group
Billings, MT 59101
- Reassigned Medicare billing, Montana enrollment
- 186 clinicians in this Medicare group
Billings, MT 59101
- Reassigned Medicare billing, Montana enrollment
- 438 clinicians in this Medicare group
Billings, MT 59102
- Reassigned Medicare billing, Montana enrollment
- Medicare enrollment name: St Johns Lutheran Ministries Inc
- 2 clinicians in this Medicare group
Columbus, MT 59019
- Reassigned Medicare billing, Montana enrollment
- 86 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 2
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.
Billings Clinic
Acute Care Hospitals · Billings, MTSt Vincent Healthcare
Acute Care Hospitals · Billings, MTPhysician 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.
Medicare Quality Performance CMS QPP · MIPS
Performance in the CMS Quality Payment Program: the MIPS final score across four weighted categories, and the individual quality measures reported to Medicare.
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 Janice Ostermiller's NPI number?
The NPI number for Janice Ostermiller is 1386059509. It was assigned to this individual provider in the NPPES registry on June 26, 2014.
Where is Janice Ostermiller located?
Janice Ostermiller practices at 801 N 29th St, Billings, MT 59101. The listed phone number is (406) 238-2500.
What is Janice Ostermiller's specialty?
The primary specialty registered for this NPI is Nurse Practitioner, specializing in Adult Health, with taxonomy code 363LA2200X.
Is Janice Ostermiller enrolled in Medicare?
Yes. Janice Ostermiller 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 Janice Ostermiller's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Janice Ostermiller reassigns Medicare benefits to 5 organizations: Billings Clinic (Billings, MT), Scl Health Montana (Billings, MT), Scl Health Medical Group - Billings LLC (Billings, MT), St. John's Lutheran Ministries Inc (Billings, MT) and Stillwater Hospital Association, Inc. (Columbus, 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 Janice Ostermiller's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.
What insurance does Janice Ostermiller accept?
Health plans from Blue Cross and Blue Shield of Montana, Mountain Health CO-OP and PacificSource Health Plans list Janice Ostermiller 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 Janice Ostermiller affiliated with any hospitals?
According to CMS data, Janice Ostermiller is affiliated with Billings Clinic and St Vincent Healthcare.
When was this NPI record last updated?
The NPPES record for Janice Ostermiller was last updated on February 24, 2022. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 4 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.
# Janice Ostermiller, FNP-BC · NPI 1386059509
Adult Health physician in Billings, Montana. Individual provider, active in the CMS NPPES registry since June 26, 2014.
## Identity
- **NPI:** 1386059509 (Entity type: Individual)
- **Enumerated:** June 26, 2014
- **Primary specialty:** Nurse Practitioner - Adult Health · taxonomy 363LA2200X
- **State license:** NUR-APRN-LIC-100869 (Montana)
- **Sole proprietor:** No
## Practice location
- **Address:** 801 N 29TH ST, Billings, MT 59101-0905
- **Phone:** (406) 238-2500
## 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:** 5 organizations under Medicare reassignment (form CMS-855R): Billings Clinic (NPI 1376598714, Billings, MT); Scl Health Montana (NPI 1366796286, Billings, MT); Scl Health Medical Group - Billings LLC (NPI 1508289703, Billings, MT); St. John's Lutheran Ministries Inc (NPI 1588653679, Billings, MT); Stillwater Hospital Association, Inc. (NPI 1053488387, Columbus, MT) · CMS Revalidation Reassignment List, October 2026 release
- **Medical school:** Other, class of 2014
## Record status
- **NPPES last updated:** February 24, 2022
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Source: [NPI Profile](https://npiprofile.com/npi/1386059509) · Data from the CMS NPPES public registry.