WILLIAM ANTHONY SCHAEFER MD
NPI 1356082333
Family Medicine in Allendale, MI
About William Anthony Schaefer Md NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
WILLIAM ANTHONY SCHAEFER MD (NPI 1356082333) is an individual family medicine provider in Allendale, Michigan, licensed in Michigan (4351049095) and active in the NPI registry since April 2022. He is enrolled in Medicare PECOS.
NPPES Registry Identity
Specialties & Licenses
Medicare Participation & PECOS CMS
Medicare enrollment, assignment, and ordering and referring status from the CMS PECOS system.
Medicare Enrollment Status
Enrolled in Medicare (PECOS)
William Anthony Schaefer Md is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).
Physician Visit Costs CMS claims · ZIP area
Typical Medicare office-visit costs in the 49401 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 8
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 Schaefer's NPI number?
The NPI number for William Schaefer is 1356082333. It was assigned to this individual provider in the NPPES registry on April 5, 2022.
Where is William Schaefer located?
William Schaefer practices at 4830 Becker Dr, Allendale, MI 49401. The listed phone number is (616) 252-3900.
What is William Schaefer's specialty?
The primary specialty registered for this NPI is Family Medicine with taxonomy code 207Q00000X.
Is William Schaefer enrolled in Medicare?
Yes. William Schaefer is registered in the Medicare PECOS enrollment system.
When was this NPI record last updated?
The NPPES record for William Schaefer was last updated on September 22, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 21 days 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 Anthony Schaefer, MD · NPI 1356082333
Family Medicine physician in Allendale, Michigan. Individual provider, active in the CMS NPPES registry since April 5, 2022.
## Identity
- **NPI:** 1356082333 (Entity type: Individual)
- **Enumerated:** April 5, 2022
- **Primary specialty:** Family Medicine · taxonomy 207Q00000X
- **State license:** 4351049095 (Michigan)
- **Sole proprietor:** No
## Practice location
- **Address:** 4830 BECKER DR, Allendale, MI 49401-8616
- **Phone:** (616) 252-3900
## Medicare
- **Medicare:** Enrolled in Medicare (PECOS)
- **Ordering & referring:** eligible for Part B labs & imaging, durable medical equipment, home health, power mobility devices
## Record status
- **NPPES last updated:** September 22, 2026
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Source: [NPI Profile](https://npiprofile.com/npi/1356082333) · Data from the CMS NPPES public registry.