Doctor profile · Federal record

Dr. James Sebastian, M.D

Internal Medicine Physician · Milwaukee, WI

  • NPI 1942224282
  • 20 yrs on file
  • Male
  • Group practice
  • No sanctions

Practice & contact

NPPES Updated May 11, 2026
Primary practice
5000 W National Ave
Milwaukee, WI 532950001
(414) 384-2000
Mailing address
1826 N 69Th St
Wauwatosa, WI 532132316

Credentials & registration

NPPES · NUCC
NPI registered
July 2006 — 20 yrs on file
Profile last updated
November 5, 2021
Specialty taxonomy
207R00000X — NUCC code
State license (1)
Wisconsin #23234

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1942224282. Last verified May 11, 2026.

Open Payments

Industry payments received

CMS Open Payments
All-time total
$24
Transactions
1
Manufacturers
1
Payer (manufacturer) Industry Txns Amount
Abiomed 1 $24.06

By nature of payment

Food and Beverage
$24

Frequently asked questions

Auto-generated from federal data
What is Dr. James Sebastian's medical specialty?
Dr. James Sebastian practices Internal Medicine Physician in Milwaukee, WI.
Where does Dr. James Sebastian practice?
Dr. James Sebastian practices at 5000 W National Ave, Milwaukee, WI 532950001. Office phone: 4143842000.
What is Dr. James Sebastian's NPI?
Dr. James Sebastian's National Provider Identifier (NPI) is 1942224282, issued by NPPES.