DONALD E WILLMAN D.O.
NPI 1184641771
Emergency Medicine in Grand Rapids, MI
About Donald E Willman D.o. NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
DONALD E WILLMAN D.O. (NPI 1184641771) is an individual emergency medicine provider in Grand Rapids, Michigan, licensed in Michigan (5101006554) and active in the NPI registry since July 2006. He is enrolled in Medicare PECOS, is affiliated with Munson Medical Center, and is a graduate of Chicago College Of Osteopathy (1973).
NPPES Registry Identity
Specialties & Licenses
Other Identifiers 5
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
Donald E Willman D.o. 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
4Medicare enrollment records show Donald Willman reassigns Medicare billing to 4 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.
Kalamazoo, MI 49048
- Reassigned Medicare billing, Michigan enrollment
- 596 clinicians in this Medicare group
Brighton, MI 48114
- Reassigned Medicare billing, Michigan enrollment
- 383 clinicians in this Medicare group
Adrian, MI 49221
- Reassigned Medicare billing, Michigan enrollment
- 237 clinicians in this Medicare group
Novi, MI 48375
- Reassigned Medicare billing, Michigan enrollment
- 169 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 4
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
Hospitals where this provider delivers care, identified from recent Medicare claims and place-of-service records.
Munson Medical Center
Acute Care Hospitals · Traverse City, MIPhysician Visit Costs CMS claims · ZIP area
Typical Medicare office-visit costs in the 49546 ZIP code area, from fee-for-service claims. These are area statistics, not this provider’s prices; actual charges vary by service and coverage.
Referred Medical Equipment & Supplies CMS DME claims 2
Durable medical equipment, devices and supplies this provider ordered from DME suppliers for patients, from Medicare fee-for-service claims.
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 Donald Willman's NPI number?
The NPI number for Donald Willman is 1184641771. It was assigned to this individual provider in the NPPES registry on July 17, 2006.
Where is Donald Willman located?
Donald Willman practices at 751 Kenmoor Avenue SE Brightwave Pain Therapy, Grand Rapids, MI 49546. The listed phone number is (616) 608-5551.
What is Donald Willman's specialty?
The primary specialty registered for this NPI is Emergency Medicine with taxonomy code 207P00000X.
Is Donald Willman enrolled in Medicare?
Yes. Donald Willman 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 Donald Willman's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Donald Willman reassigns Medicare benefits to 4 organizations: Sound Inpatient Physicians-Michigan, PLLC (Kalamazoo, MI), Theoria Medical (Brighton, MI), Hospitalist Medicine Physicians Of Michigan, PLLC (Adrian, MI) and Complexcare Medical Group Midwest H PLLC (Novi, MI). 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 Donald Willman's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.
What insurance does Donald Willman accept?
Health plans from Ambetter Health, Ambetter from Buckeye Health Plan, Ambetter from Meridian and Priority Health list Donald Willman 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 Donald Willman affiliated with any hospitals?
According to CMS data, Donald Willman is affiliated with Munson Medical Center.
When was this NPI record last updated?
The NPPES record for Donald Willman was last updated on February 1, 2019. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 7 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.