ROSEMARIE E WALCH DO
NPI 1366803454
Psychiatry & Neurology - Neurology in Owosso, MI
About Rosemarie E Walch Do NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
ROSEMARIE E WALCH DO (NPI 1366803454) is an individual neurology provider in Owosso, Michigan, licensed in Michigan (5101025101) and active in the NPI registry since March 2016. She is enrolled in Medicare PECOS, is affiliated with Ascension St Mary's Hospital, and maintains 2 additional practice locations.
NPPES Registry Identity
Specialties & Licenses
Secondary Practice Locations 2
Other Identifiers 1
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
Rosemarie E Walch Do 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 Rosemarie Walch reassigns Medicare billing to 1 organization. The organization bills Medicare for the services this provider delivers there.
Owosso, MI 48867
- Reassigned Medicare billing, Michigan enrollment
- 328 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 2
Hospitals where this provider delivers care, identified from recent Medicare claims and place-of-service records.
Ascension St Mary's Hospital
Acute Care Hospitals · Saginaw, MIMemorial Healthcare
Acute Care Hospitals · Owosso, MIPhysician Visit Costs CMS claims · ZIP area
Typical Medicare office-visit costs in the 48867 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 12
Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.
OWOSSO, MI 48867
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 Rosemarie Walch's NPI number?
The NPI number for Rosemarie Walch is 1366803454. It was assigned to this individual provider in the NPPES registry on March 16, 2016.
Where is Rosemarie Walch located?
Rosemarie Walch practices at 819 N Shiawassee St Ste 110, Owosso, MI 48867. The listed phone number is (989) 723-1390.
What is Rosemarie Walch's specialty?
The primary specialty registered for this NPI is Psychiatry & Neurology, specializing in Neurology, with taxonomy code 2084N0400X.
Is Rosemarie Walch enrolled in Medicare?
Yes. Rosemarie Walch 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 Rosemarie Walch's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Rosemarie Walch reassigns Medicare benefits to Memorial Hospital (Owosso, MI). 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 Rosemarie Walch's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.
What insurance does Rosemarie Walch accept?
Health plans from Ambetter Health, Ambetter from Buckeye Health Plan, Ambetter from Meridian, Blue Care Network of Michigan and Blue Cross Blue Shield of Michigan Mutual Insurance Company and 2 other insurers list Rosemarie Walch 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 Rosemarie Walch affiliated with any hospitals?
According to CMS data, Rosemarie Walch is affiliated with Ascension St Mary's Hospital and Memorial Healthcare.
When was this NPI record last updated?
The NPPES record for Rosemarie Walch was last updated on January 26, 2024. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 2 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.
# Rosemarie E Walch, DO · NPI 1366803454
Neurology physician in Owosso, Michigan. Individual provider, active in the CMS NPPES registry since March 16, 2016.
## Identity
- **NPI:** 1366803454 (Entity type: Individual)
- **Enumerated:** March 16, 2016
- **Primary specialty:** Psychiatry & Neurology - Neurology · taxonomy 2084N0400X
- **State license:** 5101025101 (Michigan)
- **Sole proprietor:** No
## Practice location
- **Address:** 819 N SHIAWASSEE ST STE 110, Owosso, MI 48867-1601
- **Phone:** (989) 723-1390 · **Fax:** (989) 725-1415
## 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:** Memorial Hospital (NPI 1538795356, Owosso, MI), under Medicare reassignment (form CMS-855R) · CMS Revalidation Reassignment List, October 2026 release
- **Medical school:** Michigan State University College Of Osteopathic Medicine, class of 2016
## Record status
- **NPPES last updated:** January 26, 2024
- **Other identifiers:** Medicaid 1366803454 (MI)
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Source: [NPI Profile](https://npiprofile.com/npi/1366803454) · Data from the CMS NPPES public registry.