JAMES MICHAEL DUNNEBACK M.D.
NPI 1821473547
Internal Medicine in Peoria, IL
About James Michael Dunneback M.d. NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
JAMES MICHAEL DUNNEBACK M.D. (NPI 1821473547) is an individual internal medicine provider in Peoria, Illinois, licensed in Illinois (125.066524) and active in the NPI registry since July 2015. He is enrolled in Medicare PECOS.
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 (PECOS)
James Michael Dunneback M.d. is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).
Medicare Billing Reassignment
Medicare enrollment records show James Dunneback reassigns Medicare billing to 1 organization. The organization bills Medicare for the services this provider delivers there.
Ionia, MI 48846
- Reassigned Medicare billing, Michigan enrollment
- 916 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.
Physician Visit Costs CMS claims · ZIP area
Typical Medicare office-visit costs in the 61637 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.
PEORIA, IL 61637
PEORIA, IL 61637
PEORIA, IL 61637
PEORIA, IL 61637
PEORIA, IL 61637
PEORIA, IL 61637
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 James Dunneback's NPI number?
The NPI number for James Dunneback is 1821473547. It was assigned to this individual provider in the NPPES registry on July 23, 2015.
Where is James Dunneback located?
James Dunneback practices at 530 NE Glen Oak Ave, Peoria, IL 61637. The listed phone number is (309) 655-3863.
What is James Dunneback's specialty?
The primary specialty registered for this NPI is Internal Medicine with taxonomy code 207R00000X.
Is James Dunneback enrolled in Medicare?
Yes. James Dunneback is registered in the Medicare PECOS enrollment system.
Which organization bills Medicare for James Dunneback's services?
According to the CMS Revalidation Reassignment List (October 2026 release), James Dunneback reassigns Medicare benefits to Edward W Sparrow Hospital Association (Ionia, MI). The 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 James Dunneback's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.
What insurance does James Dunneback accept?
Health plans from Priority Health list James Dunneback 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.
When was this NPI record last updated?
The NPPES record for James Dunneback was last updated on July 23, 2015. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 11 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.