DR. WILLIAM WILDER DAVIS III M.D.
NPI 1356769004
Radiology - Diagnostic Radiology in Grand Rapids, MI
About Dr. William Wilder Davis Iii M.d. NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
DR. WILLIAM WILDER DAVIS III M.D. (NPI 1356769004) is an individual diagnostic radiology provider in Grand Rapids, Michigan, licensed in Michigan (4301105368) and active in the NPI registry since March 2014. He is enrolled in Medicare PECOS, is affiliated with St Joseph Regional Medical Center, and is a graduate of Wayne State University School Of Medicine (2014).
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
Dr. William Wilder Davis Iii M.d. 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
5Medicare enrollment records show William Davis reassigns Medicare billing to 5 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.
Amarillo, TX 79106
- Reassigned Medicare billing, Michigan and Texas enrollments
- 2 clinicians in this Medicare group
Amarillo, TX 79106
- Reassigned Medicare billing, Texas enrollment
- 39 clinicians in this Medicare group
Lewiston, ID 83501
- Reassigned Medicare billing, Idaho enrollment
- 32 clinicians in this Medicare group
Lewiston, ID 83501
- Reassigned Medicare billing, Idaho enrollment
- 7 clinicians in this Medicare group
Clarkston, WA 99403
- Reassigned Medicare billing, Washington enrollment
- Also billed through NPI 1598814352 (Washington)
- 144 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 98
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 5
Hospitals where this provider delivers care, identified from recent Medicare claims and place-of-service records.
St Joseph Regional Medical Center
Acute Care Hospitals · Lewiston, IDSyringa General Hospital
Critical Access Hospitals · Grangeville, IDGlen Rose Medical Center
Acute Care Hospitals · Glen Rose, TXOchiltree General Hospital
Critical Access Hospitals · Perryton, TXTri-State Memorial Hospital
Critical Access Hospitals · Clarkston, WAPhysician Visit Costs CMS claims · ZIP area
Typical Medicare office-visit costs in the 49525 ZIP code area, from fee-for-service claims. These are area statistics, not this provider’s prices; actual charges vary by service and coverage.
Medicare Quality Performance CMS QPP · MIPS
Performance in the CMS Quality Payment Program: the MIPS final score across four weighted categories, and the individual quality measures reported to Medicare.
Other Providers at the Same Location NPPES 20
Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.
GRAND RAPIDS, MI 49525
GRAND RAPIDS, MI 49525
GRAND RAPIDS, MI 49525
GRAND RAPIDS, MI 49525
GRAND RAPIDS, MI 49525
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 Davis's NPI number?
The NPI number for William Davis is 1356769004. It was assigned to this individual provider in the NPPES registry on March 31, 2014.
Where is William Davis located?
William Davis practices at 3264 N Evergreen Dr NE, Grand Rapids, MI 49525. The listed phone number is (616) 363-7272.
What is William Davis's specialty?
The primary specialty registered for this NPI is Radiology, specializing in Diagnostic Radiology, with taxonomy code 2085R0202X.
Is William Davis enrolled in Medicare?
Yes. William Davis 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 Davis's services?
According to the CMS Revalidation Reassignment List (October 2026 release), William Davis reassigns Medicare benefits to 5 organizations: High Plains Radiological Association LLP (Amarillo, TX), Open Air Imaging Center, LLP (Amarillo, TX), Vannvei LLC (Lewiston, ID), Phoenix Radiology, PLLC (Lewiston, ID) and Tri-State Memorial Hospital (Clarkston, WA). 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 Davis's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.
What insurance does William Davis accept?
Health plans from Baylor Scott and White Health Plan and Blue Cross and Blue Shield of Texas list William Davis 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 Davis affiliated with any hospitals?
According to CMS data, William Davis is affiliated with St Joseph Regional Medical Center, Syringa General Hospital, Glen Rose Medical Center, Ochiltree General Hospital and Tri-State Memorial Hospital.
When was this NPI record last updated?
The NPPES record for William Davis was last updated on July 29, 2020. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 6 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.