MYMICHIGAN MEDICAL CENTER SAGINAW
NPI 1871507509
General Acute Care Hospital in Saginaw, MI
About Mymichigan Medical Center Saginaw NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
MYMICHIGAN MEDICAL CENTER SAGINAW (NPI 1871507509) is a healthcare organization registered as a general acute care hospital in Saginaw, Michigan and active in the NPI registry since July 2006. The organization lists Sarah James, Manager Patient Accounting, as its authorized official.
NPPES Registry Identity
Specialties & Licenses 2
Other Identifiers 4
Accepted Insurance
Medicare Participation & PECOS CMS
Medicare enrollment, revalidation and the clinicians who bill Medicare through this organization, from CMS.
Medicare Enrollment Status
Enrolled in Medicare (PECOS)
Mymichigan Medical Center Saginaw is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).
Medicare Revalidation Due Date
Revalidation due by January 31, 2027
Medicare-enrolled providers and suppliers confirm their enrollment information with CMS on a set cycle, every 5 years for most and every 3 years for medical equipment suppliers. CMS sets the due date for each enrollment.
Clinicians Billing Medicare Through This Organization
124Medicare enrollment records show 124 clinicians reassign Medicare billing to Mymichigan Medical Center Saginaw, which bills Medicare for the services they deliver. Of these, 5 practice at this address and 49 within 10 miles. Listed here are the 20 practicing nearest to this location.
Clinicians by Medicare Specialty 22
Nearest to this location (20)
See all 124Source: CMS Revalidation Reassignment List, October 2026 release. Reassignment records can lag staffing changes; confirm a current affiliation with the organization.
Hospital Quality Ratings CMS Care Compare
Quality and patient-experience ratings for Ascension St Mary's Hospital (CMS certification number 230077), from CMS Care Compare.
Ascension St Mary's Hospital
Acute Care Hospitals · Saginaw, MIPatient Experience
HCAHPS patient survey · Jan 2023 – Dec 2023Complications & Deaths 19
Infections 5
Unplanned Hospital Visits 14
Timely & Effective Care 10
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 Mymichigan Medical Center Saginaw's NPI number?
The NPI number for Mymichigan Medical Center Saginaw is 1871507509. It was assigned to this organization in the NPPES registry on July 28, 2006.
Where is Mymichigan Medical Center Saginaw located?
Mymichigan Medical Center Saginaw is located at 800 S Washington Ave, Saginaw, MI 48601. The listed phone number is (989) 907-8000.
What is Mymichigan Medical Center Saginaw's specialty?
The primary specialty registered for this NPI is General Acute Care Hospital with taxonomy code 282N00000X.
Is Mymichigan Medical Center Saginaw enrolled in Medicare?
Yes. Mymichigan Medical Center Saginaw is registered in the Medicare PECOS enrollment system.
When is Mymichigan Medical Center Saginaw's Medicare revalidation due?
According to the CMS Revalidation Due Date List (October 2026 release), the Medicare Part A enrollment for this organization (Michigan, Hospital) is due for revalidation by January 31, 2027. Medicare providers and suppliers revalidate their enrollment every 5 years, and medical equipment suppliers every 3 years. Confirm current requirements with your Medicare Administrative Contractor.
How many clinicians bill Medicare through Mymichigan Medical Center Saginaw?
According to the CMS Revalidation Reassignment List (October 2026 release), 124 clinicians in 22 Medicare specialties reassign their Medicare billing to Mymichigan Medical Center Saginaw. A 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 the clinician's services. The largest specialties are Nurse Practitioner (26), Family Practice (17) and Thoracic Surgery (14). Of these, 5 practice at this address and 49 within 10 miles. Reassignment records can lag staffing changes; confirm a current affiliation with the organization.
Is Mymichigan Medical Center Saginaw a Medicare-certified hospital?
Yes. Ascension St Mary's Hospital is a Medicare-certified hospital (Acute Care Hospitals). The hospital provides emergency services.
What quality rating does Mymichigan Medical Center Saginaw have?
CMS rates Ascension St Mary's Hospital 2 out of 5 stars overall on Care Compare, based on measures of safety, patient experience and outcomes. The full measure detail is in the Hospital Quality Ratings section above.
What insurance does Mymichigan Medical Center Saginaw accept?
Health plans from Blue Care Network of Michigan, Blue Cross Blue Shield of Michigan Mutual Insurance Company and Priority Health list Mymichigan Medical Center Saginaw 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 Mymichigan Medical Center Saginaw was last updated on April 7, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 6 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.
# Mymichigan Medical Center Saginaw · NPI 1871507509
General Acute Care Hospital organization in Saginaw, Michigan. Organization record, active in the CMS NPPES registry since July 28, 2006.
## Identity
- **NPI:** 1871507509 (Entity type: Organization)
- **Enumerated:** July 28, 2006
- **Primary specialty:** General Acute Care Hospital · taxonomy 282N00000X
- **Organization subpart:** No
- **Authorized official:** Sarah James, MANAGER PATIENT ACCOUNTING
## Practice location
- **Address:** 800 S WASHINGTON AVE, Saginaw, MI 48601-2551
- **Phone:** (989) 907-8000 · **Fax:** (989) 907-8697
## Medicare
- **Medicare:** Enrolled in Medicare (PECOS)
- **Medicare revalidation due:** January 31, 2027 (Part A, Michigan, Hospital) · CMS Revalidation Due Date List, October 2026 release
- **Clinicians billing through this organization:** 124 clinicians in 22 Medicare specialties reassign Medicare billing to this organization (form CMS-855R); largest: Nurse Practitioner (26), Family Practice (17), Thoracic Surgery (14); 5 practice at this address and 49 within 10 miles; [full list](https://npiprofile.com/npi/1871507509/clinicians) · CMS Revalidation Reassignment List, October 2026 release
## Record status
- **NPPES last updated:** April 7, 2026
- **Other identifiers:** Other 0028 (MI); Medicaid 5172071 (MI); Medicaid 1555889 (MI); and 1 more
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Source: [NPI Profile](https://npiprofile.com/npi/1871507509) · Data from the CMS NPPES public registry.