WILLIAM CHARLES AUTEN
NPI 1366308389
Nurse Practitioner - Family in Saginaw, MI
About William Charles Auten NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
WILLIAM CHARLES AUTEN (NPI 1366308389) is an individual family provider in Saginaw, Michigan, licensed in Michigan (4704365804) and active in the NPI registry since January 2026. He is enrolled in Medicare PECOS, is affiliated with Ascension St Mary's Hospital, and is a graduate of Other (2025).
NPPES Registry Identity
Specialties & Licenses 2
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
William Charles Auten 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
2Medicare enrollment records show William Auten reassigns Medicare billing to 2 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.
Saginaw, MI 48603
- Reassigned Medicare billing, Michigan enrollment
- 125 clinicians in this Medicare group
Dallas, TX 75244
- Reassigned Medicare billing, Michigan enrollment
- 666 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.
Hospital Affiliations CMS Care Compare
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, MIPhysician Visit Costs CMS claims · ZIP area
Typical Medicare office-visit costs in the 48603 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 10
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 William Auten's NPI number?
The NPI number for William Auten is 1366308389. It was assigned to this individual provider in the NPPES registry on January 3, 2026.
Where is William Auten located?
William Auten practices at 3570 Shattuck Rd, Saginaw, MI 48603. The listed phone number is (989) 792-5353.
What is William Auten's specialty?
The primary specialty registered for this NPI is Nurse Practitioner, specializing in Family, with taxonomy code 363LF0000X.
Is William Auten enrolled in Medicare?
Yes. William Auten 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 William Auten's services?
According to the CMS Revalidation Reassignment List (October 2026 release), William Auten reassigns Medicare benefits to 2 organizations: Mymichigan Medical Center Saginaw (Saginaw, MI) and Signify Health Medical Associates, PLLC (Dallas, TX). 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 William Auten's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.
What insurance does William Auten accept?
Health plans from Blue Care Network of Michigan, Blue Cross Blue Shield of Michigan Mutual Insurance Company and Priority Health list William Auten 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 William Auten affiliated with any hospitals?
According to CMS data, William Auten is affiliated with Ascension St Mary's Hospital.
When was this NPI record last updated?
The NPPES record for William Auten was last updated on May 28, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 4 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.
# William Charles Auten · NPI 1366308389
Family physician in Saginaw, Michigan. Individual provider, active in the CMS NPPES registry since January 3, 2026.
## Identity
- **NPI:** 1366308389 (Entity type: Individual)
- **Enumerated:** January 3, 2026
- **Primary specialty:** Nurse Practitioner - Family · taxonomy 363LF0000X
- **State license:** 4704365804 (Michigan)
- **Sole proprietor:** No
## Practice location
- **Address:** 3570 SHATTUCK RD, Saginaw, MI 48603-3153
- **Phone:** (989) 792-5353
## 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:** 2 organizations under Medicare reassignment (form CMS-855R): Mymichigan Medical Center Saginaw (NPI 1518042530, Saginaw, MI); Signify Health Medical Associates, PLLC (NPI 1750845863, Dallas, TX) · CMS Revalidation Reassignment List, October 2026 release
- **Medical school:** Other, class of 2025
## Record status
- **NPPES last updated:** May 28, 2026
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Source: [NPI Profile](https://npiprofile.com/npi/1366308389) · Data from the CMS NPPES public registry.