ANGELIKA OSTROWSKI M.D.
NPI 1902088545
Pediatrics in Bozeman, MT
About Angelika Ostrowski M.d. NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
ANGELIKA OSTROWSKI M.D. (NPI 1902088545) is an individual pediatrics provider in Bozeman, Montana, licensed in Montana (MED-PHYS-LIC-12076) and active in the NPI registry since December 2007. She is enrolled in Medicare PECOS and maintains 3 additional practice locations.
NPPES Registry Identity
Specialties & Licenses
Secondary Practice Locations 3
Accepted Insurance
Medicare Participation & PECOS CMS
Medicare enrollment, assignment, billing reassignment, and ordering and referring status from CMS.
Medicare Enrollment Status
Enrolled in Medicare (PECOS)
Angelika Ostrowski M.d. is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).
Medicare Billing Reassignments
4Medicare enrollment records show Angelika Ostrowski reassigns Medicare billing to 4 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.
Bozeman, MT 59715
- Reassigned Medicare billing, Montana enrollment
- 402 clinicians in this Medicare group
Bozeman, MT 59718
- Reassigned Medicare billing, Montana enrollment
- Medicare enrollment name: Billings Clinic
- 1,264 clinicians in this Medicare group
Big Sky, MT 59716
- Reassigned Medicare billing, Montana enrollment
- 99 clinicians in this Medicare group
Spearfish, SD 57783
- Reassigned Medicare billing, South Dakota enrollment
- 831 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.
Physician Visit Costs CMS claims · ZIP area
Typical Medicare office-visit costs in the 59715 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 19
Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.
BOZEMAN, MT 59715
BOZEMAN, MT 59715
BOZEMAN, MT 59715
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 Angelika Ostrowski's NPI number?
The NPI number for Angelika Ostrowski is 1902088545. It was assigned to this individual provider in the NPPES registry on December 5, 2007.
Where is Angelika Ostrowski located?
Angelika Ostrowski practices at 937 Highland Blvd Ste 5320, Bozeman, MT 59715. The listed phone number is (406) 414-4900.
What is Angelika Ostrowski's specialty?
The primary specialty registered for this NPI is Pediatrics with taxonomy code 208000000X.
Is Angelika Ostrowski enrolled in Medicare?
Yes. Angelika Ostrowski is registered in the Medicare PECOS enrollment system.
Which organizations bill Medicare for Angelika Ostrowski's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Angelika Ostrowski reassigns Medicare benefits to 4 organizations: Bozeman Health Deaconess Hospital (Bozeman, MT), Billings Cinic (Bozeman, MT), Bozeman Health Big Sky Medical Center, LLC (Big Sky, MT) and Monument Health Rapid City Hospital, Inc. (Spearfish, SD). 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 Angelika Ostrowski's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.
What insurance does Angelika Ostrowski accept?
Health plans from Blue Cross and Blue Shield of Montana, Mountain Health CO-OP, PacificSource Health Plans and Providence Health Plan list Angelika Ostrowski 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.
When was this NPI record last updated?
The NPPES record for Angelika Ostrowski was last updated on April 10, 2025. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 18 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.
# Angelika Ostrowski, M.D. · NPI 1902088545
Pediatrics physician in Bozeman, Montana. Individual provider, active in the CMS NPPES registry since December 5, 2007.
## Identity
- **NPI:** 1902088545 (Entity type: Individual)
- **Enumerated:** December 5, 2007
- **Primary specialty:** Pediatrics · taxonomy 208000000X
- **State license:** MED-PHYS-LIC-12076 (Montana)
- **Sole proprietor:** Yes
## Practice location
- **Address:** 937 HIGHLAND BLVD STE 5320, Bozeman, MT 59715-6916
- **Phone:** (406) 414-4900
## Medicare
- **Medicare:** Enrolled in Medicare (PECOS)
- **Ordering & referring:** eligible for Part B labs & imaging, durable medical equipment, home health, power mobility devices
- **Bills Medicare through:** 4 organizations under Medicare reassignment (form CMS-855R): Bozeman Health Deaconess Hospital (NPI 1437529112, Bozeman, MT); Billings Cinic (NPI 1215660840, Bozeman, MT); Bozeman Health Big Sky Medical Center, LLC (NPI 1740659952, Big Sky, MT); Monument Health Rapid City Hospital, Inc. (NPI 1255415246, Spearfish, SD) · CMS Revalidation Reassignment List, October 2026 release
## Record status
- **NPPES last updated:** April 10, 2025
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Source: [NPI Profile](https://npiprofile.com/npi/1902088545) · Data from the CMS NPPES public registry.