A fast, free, no-login way to look up any U.S. healthcare provider in the federal NPPES registry.

Lookups

NPI Lookup
NPI Registry
By Specialty
By State

Resources

Guides
For Providers / API
Data Sources
About

Legal

Privacy
Terms
Correct a record

Data is sourced from the public NPPES (National Plan and Provider Enumeration System) registry published by CMS. NPI Central is not affiliated with, or endorsed by, CMSor any healthcare provider. Information is provided “as is” for general reference and is not medical advice.

FCRA notice: NPI Central is not a consumer reporting agency. This information may not be used to determine eligibility for employment, credentialing, insurance, or any other purpose covered by the Fair Credit Reporting Act.

© 2026 NPI Central. All rights reserved.

Aaron Williams, D.D.S. — NPI 1366715120, Sioux City, IA | NPI Central

Home/
NPI Lookup/
IA/
NPI 1366715120

IndividualActive

Aaron Williams, D.D.S.

NPI 1366715120 · Dentist · Sioux City, IA

Provider details

NPI number: 1366715120
Entity type: Individual
Primary specialty: DentistDental Providers
Credential: D.D.S.
Sex: Male
Sole proprietor: Yes
License: D1504 (SD)

Specialties & taxonomies

DentistPrimary122300000XLicense DDS-10408 (IA)
Dental Providers
Dentist122300000XLicense D1504 (SD)
Dental Providers
Dentist122300000XLicense 7137 (NE)
Dental Providers
Orthodontics and Dentofacial Orthopedics Dentistry1223X0400XLicense DE60453832 (WA)
Dental Providers

Practice location

4224 Sergeant Rd

Sioux City, IA 51106-4600

Phone: (712) 276-2766

Approximate (ZIP-level) locationGet directions

More IA providers

Mailing address

4224 Sergeant Rd

Sioux City, IA 51106-4600

Additional practice locations (3)

405 Plymouth St Nw
Le Mars, IA 51031-3438
Phone: (712) 546-5179
2801 Outer Dr N
Sioux City, IA 51104-1597
Phone: (712) 239-0420
617 N Pearl St Ste 2
Wayne, NE 68787-1908
Phone: (402) 375-4363

Registry dates

Enumerated: 2012-02-09
Last updated: 2026-01-20
Certified: 2026-01-20

Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.