MYMICHIGAN MEDICAL CENTER SAGINAW
NPI 1538573605
Internal Medicine - Medical Oncology 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 1538573605), doing business as Ascension Medical Group Hematology And Oncology, is a healthcare organization registered as a medical oncology in Saginaw, Michigan and active in the NPI registry since June 2014. The organization lists Sarah James, Manager Patient Accounting, as its authorized official.
NPPES Registry Identity
Specialties & Licenses
Other Names 1
Group Practice 1
Medicare Participation & PECOS CMS
Medicare enrollment 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).
Clinicians Billing Medicare Through This Organization
12Medicare enrollment records show 12 clinicians reassign Medicare billing to Mymichigan Medical Center Saginaw, which bills Medicare for the services they deliver. Of these, 1 practice within 10 miles. They are listed nearest first.
Clinicians by Medicare Specialty 4
Clinicians, nearest first (12)
Source: CMS Revalidation Reassignment List, October 2026 release. Reassignment records can lag staffing changes; confirm a current affiliation with the organization.
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 1538573605. It was assigned to this organization in the NPPES registry on June 17, 2014. The provider is doing business as Ascension Medical Group Hematology and Oncology.
Where is Mymichigan Medical Center Saginaw located?
Mymichigan Medical Center Saginaw is located at 4599 Towne Centre Rd 2nd Floor, Saginaw, MI 48604. The listed phone number is (989) 907-8789.
What is Mymichigan Medical Center Saginaw's specialty?
The primary specialty registered for this NPI is Internal Medicine, specializing in Medical Oncology, with taxonomy code 207RX0202X.
Is Mymichigan Medical Center Saginaw enrolled in Medicare?
Yes. Mymichigan Medical Center Saginaw is registered in the Medicare PECOS enrollment system.
How many clinicians bill Medicare through Mymichigan Medical Center Saginaw?
According to the CMS Revalidation Reassignment List (October 2026 release), 12 clinicians in 4 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 (4), Gastroenterology (3) and General Surgery (3). Of these, 1 practice within 10 miles. Reassignment records can lag staffing changes; confirm a current affiliation with the organization.
When was this NPI record last updated?
The NPPES record for Mymichigan Medical Center Saginaw was last updated on January 14, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 9 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 1538573605
Medical Oncology organization in Saginaw, Michigan. Organization record, active in the CMS NPPES registry since June 17, 2014.
## Identity
- **NPI:** 1538573605 (Entity type: Organization)
- **Enumerated:** June 17, 2014
- **Primary specialty:** Internal Medicine - Medical Oncology · taxonomy 207RX0202X
- **Also known as:** Ascension Medical Group Hematology and Oncology (Doing Business As)
- **Organization subpart:** No
- **Authorized official:** Sarah James, MANAGER PATIENT ACCOUNTING
## Practice location
- **Address:** 4599 TOWNE CENTRE RD, 2ND FLOOR, Saginaw, MI 48604-2804
- **Phone:** (989) 907-8789
## Medicare
- **Medicare:** Enrolled in Medicare (PECOS)
- **Clinicians billing through this organization:** 12 clinicians in 4 Medicare specialties reassign Medicare billing to this organization (form CMS-855R); largest: Nurse Practitioner (4), Gastroenterology (3), General Surgery (3); 1 practice within 10 miles · CMS Revalidation Reassignment List, October 2026 release
## Record status
- **NPPES last updated:** January 14, 2026
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Source: [NPI Profile](https://npiprofile.com/npi/1538573605) · Data from the CMS NPPES public registry.