Doctor profile · Federal record

Dr. Ian Zelko

Student in an Organized Health Care Education/Training Program · Downers Grove, IL

  • NPI 1396371019
  • 6 yrs on file
  • Male
  • Group practice
  • No sanctions

Practice & contact

NPPES Updated May 11, 2026
Primary practice
555 31St St
Downers Grove, IL 605151235
(262) 497-3521

Credentials & registration

NPPES · NUCC
NPI registered
March 2020 — 6 yrs on file
Specialty taxonomy
390200000X — NUCC code

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1396371019. Last verified May 11, 2026.

Open Payments

Industry payments received

CMS Open Payments
All-time total
$208
Transactions
3
Manufacturers
3
Payer (manufacturer) Industry Txns Amount
Dilon Technologies, Inc. 1 $95.94
ABBVIE INC. 1 $93.28
Innovation Technologies Inc 1 $19.16

By nature of payment

Food and Beverage
$208

Medicare Part D · 2023

Top prescriptions

CMS Part D Prescriber
Total claims
73
Patients
73
Total drug cost
$369
Drug Type Claims Patients Total cost
Oxycodone Hcl Generic 34 34 $98
Ondansetron Odt (Ondansetron) Brand 24 24 $100
Cefadroxil Generic 15 15 $171

Frequently asked questions

Auto-generated from federal data
What is Dr. Ian Zelko's medical specialty?
Dr. Ian Zelko practices Student in an Organized Health Care Education/Training Program in Downers Grove, IL.
Where does Dr. Ian Zelko practice?
Dr. Ian Zelko practices at 555 31St St, Downers Grove, IL 605151235. Office phone: 2624973521.
What is Dr. Ian Zelko's NPI?
Dr. Ian Zelko's National Provider Identifier (NPI) is 1396371019, issued by NPPES.