NPI Registry
Contact usSign up free
Find providers by NPI
Individual

WILLIAM ERNST

Active
Sole proprietor
Yes

Provider details

NPI number
Gender
Man
Credential
DDS

Contact information

Practice address
4930 E 57TH ST, SIOUX FALLS, SD 57108-8705
(605) 202-5333
Mailing address
3009 TREASURE HILLS BLVD, HARLINGEN, TX 78550-8656

Taxonomy

Speciality
Code
Description
License number
State
1223G0001X
General Practice Dentistry
41755
TX
1223G0001X
General Practice Dentistry
Primary
D1499
SD

Other

Enumeration date
04/20/2023
Last updated
08/28/2025
About Stedi
Stedi is the only programmable healthcare clearinghouse. You can use Stedi's APIs to process eligibility checks, claims, remits, and more.
Contact us
Product
  • Claims
  • Eligibility checks
  • EDI platform