MICHAEL J WERTHEIMER MD
NPI 1306858824
Family Medicine in Farwell, MI
About Michael J Wertheimer Md NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
MICHAEL J WERTHEIMER MD (NPI 1306858824) is an individual family medicine provider in Farwell, Michigan, licensed in Michigan (MW042891) and active in the NPI registry since August 2006. He is enrolled in Medicare PECOS.
NPPES Registry Identity
Specialties & Licenses
Other Identifiers 1
Medicare Participation & PECOS CMS
Medicare enrollment, assignment, billing reassignment, and ordering and referring status from CMS.
Medicare Enrollment Status
Enrolled in Medicare (PECOS)
Michael J Wertheimer Md is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).
Medicare Billing Reassignment
Medicare enrollment records show Michael Wertheimer reassigns Medicare billing to 1 organization. The organization bills Medicare for the services this provider delivers there.
Clare, MI 48617
- Reassigned Medicare billing, Michigan enrollment
- 62 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 48622 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 10
Durable medical equipment, devices and supplies this provider ordered from DME suppliers for patients, from Medicare fee-for-service claims.
Other Providers at the Same Location NPPES 4
Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.
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 Wertheimer's NPI number?
The NPI number for Michael Wertheimer is 1306858824. It was assigned to this individual provider in the NPPES registry on August 13, 2006.
Where is Michael Wertheimer located?
Michael Wertheimer practices at 2812 W Cadillac Dr, Farwell, MI 48622. The listed phone number is (989) 588-5050.
What is Michael Wertheimer's specialty?
The primary specialty registered for this NPI is Family Medicine with taxonomy code 207Q00000X.
Is Michael Wertheimer enrolled in Medicare?
Yes. Michael Wertheimer is registered in the Medicare PECOS enrollment system.
Which organization bills Medicare for Michael Wertheimer's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Michael Wertheimer reassigns Medicare benefits to Mymichigan Medical Center Clare (Clare, 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 Michael Wertheimer's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.
When was this NPI record last updated?
The NPPES record for Michael Wertheimer was last updated on September 23, 2016. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 10 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.