DR. MICHAEL JAMES CHAPMAN D.O.
NPI 1457557647
Emergency Medicine in Grand Blanc, MI
About Dr. Michael James Chapman D.o. NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
DR. MICHAEL JAMES CHAPMAN D.O. (NPI 1457557647) is an individual emergency medicine provider in Grand Blanc, Michigan, licensed in Michigan (5101017304) and active in the NPI registry since June 2007. He is enrolled in Medicare PECOS, is affiliated with Trinity Health Muskegon Hospital, and is a graduate of Lake Erie College Of Osteopathic Medicine, Erie (2007).
NPPES Registry Identity
Specialties & Licenses
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. Michael James Chapman 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
3Medicare enrollment records show Michael Chapman reassigns Medicare billing to 3 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.
Howell, MI 48843
- Reassigned Medicare billing, Michigan enrollment
- 1,480 clinicians in this Medicare group
Goshen, IN 46526
- Reassigned Medicare billing, Indiana enrollment
- 598 clinicians in this Medicare group
Fort Wayne, IN 46804
- Reassigned Medicare billing, Indiana enrollment
- Medicare enrollment name: Emergency Professionals Of Indiana PC
- 404 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.
Trinity Health Muskegon Hospital
Acute Care Hospitals · Muskegon, MIPhysician Visit Costs CMS claims · ZIP area
Typical Medicare office-visit costs in the 48439 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 20
Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.
GRAND BLANC, MI 48439
GRAND BLANC, MI 48439
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 Michael Chapman's NPI number?
The NPI number for Michael Chapman is 1457557647. It was assigned to this individual provider in the NPPES registry on June 25, 2007.
Where is Michael Chapman located?
Michael Chapman practices at 1 Genesys Pkwy, Grand Blanc, MI 48439. The listed phone number is (810) 606-5000.
What is Michael Chapman's specialty?
The primary specialty registered for this NPI is Emergency Medicine with taxonomy code 207P00000X.
Is Michael Chapman enrolled in Medicare?
Yes. Michael Chapman 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 Michael Chapman's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Michael Chapman reassigns Medicare benefits to 3 organizations: Iha Health Services Corporation (Howell, MI), Cep America LLC (Goshen, IN) and Emergency Professionals Of Indiana, P.C. (Fort Wayne, IN). 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 Michael Chapman's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.
Is Michael Chapman affiliated with any hospitals?
According to CMS data, Michael Chapman is affiliated with Trinity Health Muskegon Hospital.
When was this NPI record last updated?
The NPPES record for Michael Chapman was last updated on December 26, 2024. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 21 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.
# Dr. Michael James Chapman, D.O. · NPI 1457557647
Emergency Medicine physician in Grand Blanc, Michigan. Individual provider, active in the CMS NPPES registry since June 25, 2007.
## Identity
- **NPI:** 1457557647 (Entity type: Individual)
- **Enumerated:** June 25, 2007
- **Primary specialty:** Emergency Medicine · taxonomy 207P00000X
- **State license:** 5101017304 (Michigan)
- **Sole proprietor:** Yes
## Practice location
- **Address:** 1 GENESYS PKWY, Grand Blanc, MI 48439-8065
- **Phone:** (810) 606-5000
## 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:** 3 organizations under Medicare reassignment (form CMS-855R): Iha Health Services Corporation (NPI 1891179032, Howell, MI); Cep America LLC (NPI 1154125698, Goshen, IN); Emergency Professionals Of Indiana, P.C. (NPI 1013951219, Fort Wayne, IN) · CMS Revalidation Reassignment List, October 2026 release
- **Medical school:** Lake Erie College Of Osteopathic Medicine, Erie, class of 2007
## Record status
- **NPPES last updated:** December 26, 2024
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Source: [NPI Profile](https://npiprofile.com/npi/1457557647) · Data from the CMS NPPES public registry.