DR. THOMAS F. IGNACZAK M.D.
NPI 1053480947
Internal Medicine in Battle Creek, MI
About Dr. Thomas F. Ignaczak M.d. NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
DR. THOMAS F. IGNACZAK M.D. (NPI 1053480947) is an individual internal medicine provider in Battle Creek, Michigan, licensed in Michigan (4301035364) and active in the NPI registry since November 2006. He is enrolled in Medicare PECOS and maintains a secondary practice location in Battle Creek.
NPPES Registry Identity
Specialties & Licenses 2
Secondary Practice Location 1
Other Identifiers 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)
Dr. Thomas F. Ignaczak M.d. is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).
Medicare Billing Reassignment
Medicare enrollment records show Thomas Ignaczak reassigns Medicare billing to 1 organization. The organization bills Medicare for the services this provider delivers there.
Battle Creek, MI 49017
- Reassigned Medicare billing, Michigan enrollment
- 3 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 49017 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 10
Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.
BATTLE CREEK, MI 49017
BATTLE CREEK, MI 49017
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 Thomas Ignaczak's NPI number?
The NPI number for Thomas Ignaczak is 1053480947. It was assigned to this individual provider in the NPPES registry on November 7, 2006.
Where is Thomas Ignaczak located?
Thomas Ignaczak practices at 363 Fremont St Ste 203, Battle Creek, MI 49017. The listed phone number is (269) 969-6123.
What is Thomas Ignaczak's specialty?
The primary specialty registered for this NPI is Internal Medicine with taxonomy code 207R00000X.
Is Thomas Ignaczak enrolled in Medicare?
Yes. Thomas Ignaczak is registered in the Medicare PECOS enrollment system.
Which organization bills Medicare for Thomas Ignaczak's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Thomas Ignaczak reassigns Medicare benefits to Dayone Family Healthcare PC (Battle Creek, 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 Thomas Ignaczak's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.
What insurance does Thomas Ignaczak accept?
Health plans from Blue Care Network of Michigan and Blue Cross Blue Shield of Michigan Mutual Insurance Company list Thomas Ignaczak 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 Thomas Ignaczak was last updated on March 17, 2018. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 8 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.