Doctor profile · Federal record

Dr. Aaron Williams, D.D.S.

Dentist · Dentist · Dentist · Orthodontics and Dentofacial Orthopedic Dentist · Sioux City, IA

  • NPI 1366715120
  • 14 yrs on file
  • Licensed in 4 states
  • Male
  • Solo practice
  • No sanctions

Practice & contact

Operates at 4 locations .

NPPES Updated May 11, 2026
Primary practice
4224 Sergeant RD
Sioux City, IA 511064600
(712) 276-2766
Additional location
2801 Outer Dr N
Sioux City, IA 511041597
(712) 239-0420
Additional location
405 Plymouth St Nw
Le Mars, IA 510313438
(712) 546-5179
Show 1 more location
Additional location
617 N Pearl St Ste 2
Wayne, NE 687871908
(402) 375-4363

Credentials & registration

NPPES · NUCC
NPI registered
February 2012 — 14 yrs on file
Profile last updated
January 20, 2026
Specialty taxonomy
122300000X — NUCC code
State licenses (4)
Iowa #DDS-10408 · South Dakota #D1504 · Nebraska #7137 · Washington #DE60453832

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1366715120. Last verified May 11, 2026.

Open Payments

Industry payments received

CMS Open Payments
All-time total
$111
Transactions
3
Manufacturers
2
Payer (manufacturer) Industry Txns Amount
Envista Holdings Corporation 2 $97.06
American Orthodontics Corporation 1 $13.56

By nature of payment

Education
$97
Food and Beverage
$14

Frequently asked questions

Auto-generated from federal data
What is Dr. Aaron Williams's medical specialty?
Dr. Aaron Williams practices Dentist in Sioux City, IA.
Where does Dr. Aaron Williams practice?
Dr. Aaron Williams practices at 4224 Sergeant RD, Sioux City, IA 511064600. Office phone: 7122762766.
What is Dr. Aaron Williams's NPI?
Dr. Aaron Williams's National Provider Identifier (NPI) is 1366715120, issued by NPPES.