Doctor profile · Federal record

Dr. Marek Piekos, M.D.

Reproductive Endocrinology Physician · Joliet, IL

  • NPI 1295756302
  • 20 yrs on file
  • Male
  • Solo practice
  • No sanctions

Practice & contact

NPPES Updated May 11, 2026
Primary practice
744 Essington RD
Joliet, IL 604354912
(815) 730-1100
fax (815) 730-1066

Credentials & registration

NPPES · NUCC
NPI registered
July 2006 — 20 yrs on file
Profile last updated
March 7, 2023
Specialty taxonomy
207VE0102X — NUCC code

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1295756302. Last verified May 11, 2026.

Open Payments

Industry payments received

CMS Open Payments
All-time total
$1,210
Transactions
33
Manufacturers
11
Payer (manufacturer) Industry Txns Amount
Lundbeck LLC 6 $302.54
Eisai INC. 2 $243.21
Avadel CNS Pharmaceuticals, LLC 5 $193.42
Sk Life Science, INC. 9 $131.06
Amgen INC. 1 $98.95
Teva Pharmaceuticals USA, INC. 2 $57.83
Ucb, INC. 2 $54.69
Jazz Pharmaceuticals INC. 1 $38.90
Acorda Therapeutics, INC 2 $37.97
Abbvie INC. 2 $33.69
Harmony Biosciences LLC 1 $17.83

By nature of payment

Food and Beverage
$1,210

Frequently asked questions

Auto-generated from federal data
What is Dr. Marek Piekos's medical specialty?
Dr. Marek Piekos practices Reproductive Endocrinology Physician in Joliet, IL.
Where does Dr. Marek Piekos practice?
Dr. Marek Piekos practices at 744 Essington RD, Joliet, IL 604354912. Office phone: 8157301100.
What is Dr. Marek Piekos's NPI?
Dr. Marek Piekos's National Provider Identifier (NPI) is 1295756302, issued by NPPES.