ANDREW OSTOSH
NPI 1073003208
Emergency Medicine in Saginaw, MI
About Andrew Ostosh NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
ANDREW OSTOSH (NPI 1073003208) is an individual emergency medicine provider in Saginaw, Michigan, licensed in Michigan (430114931) and active in the NPI registry since May 2018. He is enrolled in Medicare PECOS, is affiliated with Mclaren Northern Michigan, and is a graduate of Michigan State University College Of Human Medicine (2018).
NPPES Registry Identity
Specialties & Licenses
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
Andrew Ostosh 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
3Medicare enrollment records show Andrew Ostosh reassigns Medicare billing to 3 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.
Grand Rapids, MI 49503
- Reassigned Medicare billing, Michigan enrollment
- 265 clinicians in this Medicare group
Petoskey, MI 49770
- Reassigned Medicare billing, Michigan enrollment
- 45 clinicians in this Medicare group
Engadine, MI 49827
- Reassigned Medicare billing, Michigan enrollment
- Also billed through NPI 1497742050 (Michigan)
- 43 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 4
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.
Mclaren Northern Michigan
Acute Care Hospitals · Petoskey, MIHelen Newberry Joy Hospital
Critical Access Hospitals · Newberry, MIPhysician Visit Costs CMS claims · ZIP area
Typical Medicare office-visit costs in the 48602 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.
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 Andrew Ostosh's NPI number?
The NPI number for Andrew Ostosh is 1073003208. It was assigned to this individual provider in the NPPES registry on May 14, 2018.
Where is Andrew Ostosh located?
Andrew Ostosh practices at 1000 Houghton Ave, Saginaw, MI 48602. The listed phone number is (989) 583-6800.
What is Andrew Ostosh's specialty?
The primary specialty registered for this NPI is Emergency Medicine with taxonomy code 207P00000X.
Is Andrew Ostosh enrolled in Medicare?
Yes. Andrew Ostosh 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 Andrew Ostosh's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Andrew Ostosh reassigns Medicare benefits to 3 organizations: Ecs Western Michigan PC (Grand Rapids, MI), Ecs Northern Michigan PC (Petoskey, MI) and Helen Newberry Joy Hospital & Healthcare Center (Engadine, MI). 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 Andrew Ostosh's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.
Is Andrew Ostosh affiliated with any hospitals?
According to CMS data, Andrew Ostosh is affiliated with Mclaren Northern Michigan and Helen Newberry Joy Hospital.
When was this NPI record last updated?
The NPPES record for Andrew Ostosh was last updated on May 14, 2018. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 8 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.
# Andrew Ostosh · NPI 1073003208
Emergency Medicine physician in Saginaw, Michigan. Individual provider, active in the CMS NPPES registry since May 14, 2018.
## Identity
- **NPI:** 1073003208 (Entity type: Individual)
- **Enumerated:** May 14, 2018
- **Primary specialty:** Emergency Medicine · taxonomy 207P00000X
- **State license:** 430114931 (Michigan)
- **Sole proprietor:** No
## Practice location
- **Address:** 1000 HOUGHTON AVE, Saginaw, MI 48602-5303
- **Phone:** (989) 583-6800
## 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:** 3 organizations under Medicare reassignment (form CMS-855R): Ecs Western Michigan PC (NPI 1992281000, Grand Rapids, MI); Ecs Northern Michigan PC (NPI 1992231377, Petoskey, MI); Helen Newberry Joy Hospital & Healthcare Center (NPI 1033266002, Engadine, MI) · CMS Revalidation Reassignment List, October 2026 release
- **Medical school:** Michigan State University College Of Human Medicine, class of 2018
## Record status
- **NPPES last updated:** May 14, 2018
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Source: [NPI Profile](https://npiprofile.com/npi/1073003208) · Data from the CMS NPPES public registry.