Doctor profile · Federal record

Dr. Mary Gannon, M.D.,C.A.D.C.

Addiction Medicine (Psychiatry & Neurology) Physician · Oak Brook, IL

  • NPI 1235268541
  • 19 yrs on file
  • Female
  • Solo practice
  • No sanctions

Practice & contact

NPPES Updated May 11, 2026
Primary practice
2625 Butterfield RD, Suite 103 W
Oak Brook, IL 605231234
(630) 981-4886
Mailing address
326 Grandview Ave
Glen Ellyn, IL 601375220

Credentials & registration

NPPES · NUCC
NPI registered
March 2007 — 19 yrs on file
Profile last updated
May 17, 2011
Specialty taxonomy
2084A0401X — NUCC code
State license (1)
Illinois #036068239

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1235268541. Last verified May 11, 2026.

Open Payments

Industry payments received

CMS Open Payments
All-time total
$15
Transactions
1
Manufacturers
1
Payer (manufacturer) Industry Txns Amount
Abbvie INC. 1 $15.41

By nature of payment

Food and Beverage
$15

Frequently asked questions

Auto-generated from federal data
What is Dr. Mary Gannon's medical specialty?
Dr. Mary Gannon practices Addiction Medicine (Psychiatry & Neurology) Physician in Oak Brook, IL.
Where does Dr. Mary Gannon practice?
Dr. Mary Gannon practices at 2625 Butterfield RD, Oak Brook, IL 605231234. Office phone: 6309814886.
What is Dr. Mary Gannon's NPI?
Dr. Mary Gannon's National Provider Identifier (NPI) is 1235268541, issued by NPPES.