Doctor profile · Federal record

Dr. Sujata Oak, MD

Internal Medicine Physician · Dekalb, IL

  • NPI 1275503849
  • 20 yrs on file
  • Female
  • No sanctions

Practice & contact

NPPES Updated May 11, 2026
Primary practice
Health Services, Northern Illinois University
Dekalb, IL 60115
(815) 753-1311
fax (815) 753-9599
Mailing address
813 Steeplechase RD
St Charles, IL 60174

Credentials & registration

NPPES · NUCC
NPI registered
January 2006 — 20 yrs on file
Profile last updated
July 8, 2007
Specialty taxonomy
207R00000X — NUCC code

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1275503849. Last verified May 11, 2026.

Open Payments

Industry payments received

CMS Open Payments
All-time total
$12,991
Transactions
10
Manufacturers
1
Payer (manufacturer) Industry Txns Amount
Takeda Pharmaceuticals U.S.A., INC. 10 $12,991.23

By nature of payment

Consulting Fee
$12,991

Frequently asked questions

Auto-generated from federal data
What is Dr. Sujata Oak's medical specialty?
Dr. Sujata Oak practices Internal Medicine Physician in Dekalb, IL.
Where does Dr. Sujata Oak practice?
Dr. Sujata Oak practices at Health Services, Dekalb, IL 60115. Office phone: 8157531311.
What is Dr. Sujata Oak's NPI?
Dr. Sujata Oak's National Provider Identifier (NPI) is 1275503849, issued by NPPES.