DR. PAUL WALTER CHROBAK D.O.
NPI 1427255835
Emergency Medicine in Warren, MI
About Dr. Paul Walter Chrobak D.o. NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
DR. PAUL WALTER CHROBAK D.O. (NPI 1427255835) is an individual emergency medicine provider in Warren, Michigan, licensed in Michigan (5101016784) and active in the NPI registry since June 2007. He is enrolled in Medicare PECOS.
NPPES Registry Identity
Specialties & Licenses
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. Paul Walter Chrobak D.o. is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).
Medicare Billing Reassignments
4Medicare enrollment records show Paul Chrobak reassigns Medicare billing to 4 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.
Detroit, MI 48201
- Reassigned Medicare billing, Michigan enrollment
- 83 clinicians in this Medicare group
Detroit, MI 48201
- Reassigned Medicare billing, Michigan enrollment
- 84 clinicians in this Medicare group
Lapeer, MI 48446
- Reassigned Medicare billing, Michigan enrollment
- 416 clinicians in this Medicare group
Lansing, MI 48910
- Reassigned Medicare billing, Michigan enrollment
- 295 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.
Physician Visit Costs CMS claims · ZIP area
Typical Medicare office-visit costs in the 48089 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.
WARREN, MI 48089
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 Paul Chrobak's NPI number?
The NPI number for Paul Chrobak is 1427255835. It was assigned to this individual provider in the NPPES registry on June 29, 2007.
Where is Paul Chrobak located?
Paul Chrobak practices at 13355 E 10 Mile Rd, Warren, MI 48089. The listed phone number is (586) 759-7300.
What is Paul Chrobak's specialty?
The primary specialty registered for this NPI is Emergency Medicine with taxonomy code 207P00000X.
Is Paul Chrobak enrolled in Medicare?
Yes. Paul Chrobak is registered in the Medicare PECOS enrollment system.
Which organizations bill Medicare for Paul Chrobak's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Paul Chrobak reassigns Medicare benefits to 4 organizations: Michigan Emergency Services (Detroit, MI), Medical Center Emergency Services (Detroit, MI), Mclaren Medical Group (Lapeer, MI) and Degara App, PLLC (Lansing, 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 Paul Chrobak's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.
What insurance does Paul Chrobak accept?
Health plans from Blue Cross Blue Shield of Michigan Mutual Insurance Company list Paul Chrobak 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 Paul Chrobak was last updated on July 8, 2007. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 19 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.