Doctor profile · Federal record

Dr. Tonya Adamiak, M.D.

Pediatric Gastroenterology Physician (CMS: Pediatric Medicine) · Pediatric Gastroenterology Physician · Sioux Falls, SD

  • NPI 1174570659
  • Accepts Medicare
  • MIPS 76.7 / 100 · 2023
  • 23 yrs in practice
  • Licensed in 2 states
  • Female
  • Group practice
  • No sanctions

Practice & contact

NPPES Updated May 11, 2026
Primary practice
1600 W 22Nd St
Sioux Falls, SD 571051521
(605) 312-1000
fax (605) 312-1001
Mailing address
Po Box 5074
Sioux Falls, SD 571175074

Credentials & registration

NPPES · NUCC
NPI registered
May 2006 — 20 yrs on file
Profile last updated
March 25, 2022
Year of graduation
2003 — 23 yrs since
Specialty taxonomy
2080P0206X — NUCC code
State licenses (2)
South Dakota #7451 · Wisconsin #49304

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1174570659. Last verified May 11, 2026.

Open Payments

Industry payments received

CMS Open Payments
All-time total
$91
Transactions
5
Manufacturers
4
Payer (manufacturer) Industry Txns Amount
GENZYME CORPORATION 2 $35.24
Janssen Biotech, Inc. 1 $23.86
Takeda Pharmaceuticals U.S.A., Inc. 1 $20.79
Organon Llc 1 $11.52

By nature of payment

Food and Beverage
$91

Frequently asked questions

Auto-generated from federal data
What is Dr. Tonya Adamiak's medical specialty?
Dr. Tonya Adamiak practices Pediatric Gastroenterology Physician in Sioux Falls, SD.
Where does Dr. Tonya Adamiak practice?
Dr. Tonya Adamiak practices at 1600 W 22Nd St, Sioux Falls, SD 571051521. Office phone: 6053121000.
What is Dr. Tonya Adamiak's NPI?
Dr. Tonya Adamiak's National Provider Identifier (NPI) is 1174570659, issued by NPPES.
Does Dr. Tonya Adamiak accept Medicare assignment?
Yes. Dr. Tonya Adamiak accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.