Doctor profile · Federal record

Dr. Thomas O'Brien, M.D.

Internal Medicine Physician · Ann Arbor, MI

  • NPI 1033188545
  • 20 yrs on file
  • Male
  • No sanctions

Practice & contact

NPPES Updated May 11, 2026
Primary practice
6276 Jackson RD, Suite B
Ann Arbor, MI 481039579
(734) 663-4490

Credentials & registration

NPPES · NUCC
NPI registered
March 2006 — 20 yrs on file
Profile last updated
July 8, 2007
Specialty taxonomy
207R00000X — NUCC code
State license (1)
Michigan #406214
Medicaid
MI #2871468

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1033188545. Last verified May 11, 2026.

Open Payments

Industry payments received

CMS Open Payments
All-time total
$35
Transactions
2
Manufacturers
1
Payer (manufacturer) Industry Txns Amount
Sanofi Pasteur INC. 2 $34.55

By nature of payment

Food and Beverage
$35

Frequently asked questions

Auto-generated from federal data
What is Dr. Thomas O'Brien's medical specialty?
Dr. Thomas O'Brien practices Internal Medicine Physician in Ann Arbor, MI.
Where does Dr. Thomas O'Brien practice?
Dr. Thomas O'Brien practices at 6276 Jackson RD, Ann Arbor, MI 481039579. Office phone: 7346634490.
What is Dr. Thomas O'Brien's NPI?
Dr. Thomas O'Brien's National Provider Identifier (NPI) is 1033188545, issued by NPPES.