DR. MICHAEL A SILLS M.D.
NPI 1437134533
Internal Medicine in Brighton, MI
About Dr. Michael A Sills M.d. NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
DR. MICHAEL A SILLS M.D. (NPI 1437134533) is an individual internal medicine provider in Brighton, Michigan, licensed in Michigan (4301048897) and active in the NPI registry since December 2005. He is enrolled in Medicare PECOS.
NPPES Registry Identity
Specialties & Licenses
Other Identifiers 5
Medicare Participation & PECOS CMS
Medicare enrollment, assignment, billing reassignment, and ordering and referring status from CMS.
Medicare Enrollment Status
Enrolled in Medicare (PECOS)
Dr. Michael A Sills M.d. is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).
Medicare Billing Reassignment
Medicare enrollment records show Michael Sills reassigns Medicare billing to 1 organization. The organization bills Medicare for the services this provider delivers there.
Farmington Hills, MI 48334
- Reassigned Medicare billing, Michigan enrollment
- 741 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 48116 ZIP code area, from fee-for-service claims. These are area statistics, not this provider’s prices; actual charges vary by service and coverage.
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 Sills's NPI number?
The NPI number for Michael Sills is 1437134533. It was assigned to this individual provider in the NPPES registry on December 12, 2005.
Where is Michael Sills located?
Michael Sills practices at 6116 Briggs Lake Dr, Brighton, MI 48116. The listed phone number is (248) 425-1102.
What is Michael Sills's specialty?
The primary specialty registered for this NPI is Internal Medicine with taxonomy code 207R00000X.
Is Michael Sills enrolled in Medicare?
Yes. Michael Sills is registered in the Medicare PECOS enrollment system.
Which organization bills Medicare for Michael Sills's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Michael Sills reassigns Medicare benefits to Michigan Healthcare Professionals PC (Farmington Hills, 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 Sills'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 Sills was last updated on December 16, 2025. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 10 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.