Thomas Brenn, M.D.

NPI 1669531190ActiveIndividual· Pathology, Anatomic Pathology· Ann Arbor, MI

Pathology, Anatomic Pathology (M.D.) with Regents of the University of Michigan, practicing in Ann Arbor, Michigan. Medicare paid $43,841 for services to 583 patients in 2024. Lists Mymichigan Medical Center Midland and 2 other hospitals as hospital affiliations.

Overview

NPI	1669531190
Status	Active
Entity type	Individual
Credential	M.D.
Sole proprietor	No
NPI issued	Dec 8, 2006
Last updated in NPPES	Dec 5, 2023
Certified by provider	Dec 5, 2023

Specialties and licenses

Taxonomy	Code	License	State
Pathology, Anatomic Pathology Primary	207ZP0101X	4301509920	MI
Pathology, Anatomic Pathology	207ZP0101X	213373	MA

About license numbers in NPPES

Exclusion screening

List	Result	Details
HHS-OIG LEIE · Oct 9, 2026	No match	Checked by NPI and by name + state
North Carolina Medicaid · Nov 10, 2026	No match	—
New York OMIG · Nov 10, 2026	No match	—
Ohio Medicaid · Nov 10, 2026	No match	—
Pennsylvania Medicheck · Nov 10, 2026	No match	—
Washington HCA · Nov 10, 2026	No match	—

Official OIG search · How matching works ·Bulk check a roster

Medicare

Enrollment (PECOS)	Enrolled Practitioner - Pathology (MI)
Accepts assignment	Yes (participating)

Medicare services in 2024

Medicare patients	583
Services billed	1,521 across 15 procedure codes
Paid by Medicare	$43,841

Medicare sources and data years

Education and affiliations

Graduation year	1992
Medicare specialty	Pathology

Medical group

Regents of the University of MichiganAnn Arbor, MI · 3,346 clinicians

Hospital affiliations

Mymichigan Medical Center MidlandMidland, MI
Promedica Toledo HospitalToledo, OH
University of Michigan Health SystemAnn Arbor, MI

Source: CMS Care Compare

Industry payments (Open Payments)

None reported for 2025 or 2024.

Receiving payments does not imply wrongdoing. What Open Payments covers ·original records

Other Pathology, Anatomic Pathology providers in Ann Arbor

Megan Anne Alderman, M.D.
Ann Arbor, MI · Individual
1164743704
Rouba Ali Fehmi, MD
Ann Arbor, MI · Individual
1639116239
Daniel Alt, MD PHD
Ann Arbor, MI · Individual
1952051757
Sara Bailey, MD
Ann Arbor, MI · Individual
1275809501
Preeti Behl, M.D.
Ann Arbor, MI · Individual
1730542689
Aaron Riddle Belknap, M.D.
Ann Arbor, MI · Individual
1891182366
Daniel F. Boyer, MD, PHD
Ann Arbor, MI · Individual
1699902130
Ashley Ann Brent, MD
Ann Arbor, MI · Individual
1225602568
Scott Conley Bresler, M.D., PH.D.
Ann Arbor, MI · Individual
1760812523
Theodore Thurman Brown, M.D.
Ann Arbor, MI · Individual
1093000473
Richard L. Cantley, M.D.
Ann Arbor, MI · Individual
1497901516
May Puiyan Chan, M.D.
Ann Arbor, MI · Individual
1639318223

All Pathology, Anatomic Pathology providers in Michigan →