William Ernst, DDS
Individual provider Active NPI General Practice Dentistry · Sioux Falls, SD
NPI 1255028072 · NPPES record last updated Aug 28, 2025
Key facts
- NPI
- 1255028072
- Entity type
- Individual (NPI type 1)
- Primary specialty
- General Practice Dentistry 1223G0001X
- License
- D1499 (SD)
- Practice address
- 4930 E 57TH St
Sioux Falls, SD 57108-8705 - Phone
- (605) 202-5333
- NPI assigned
- Apr 20, 2023
- Sex
- Male
- Sole proprietor
- Yes
Organizations & group practices 1
Medicare participation
- Medicare fee-for-service enrollment
- Not listed in the public Medicare enrollment file
National Provider Directory
- Medicare enrollment (NPD)
- No
State licenses
| License | State | Type | Specialty |
|---|---|---|---|
| D1499 | SD | MD | General Practice Dentistry |
| 41755 | TX | MD | Speech-Language Assistant |
Practice roles
| Organization | Specialty | Status | New patients |
|---|---|---|---|
| Eastside Drake Smiles PC | General Practice | Current |
Accepting new patients |
Locations
4930 E 57th St
Sioux Falls, SD 57108
Phone (605) 202-5333
Specialties & licenses
| Specialty (taxonomy) | Code | License | State | Primary |
|---|---|---|---|---|
| General Practice Dentistry | 1223G0001X | 41755 | TX | |
| General Practice Dentistry | 1223G0001X | D1499 | SD | Yes |
Addresses
Primary practice location
4930 E 57TH St
Sioux Falls, SD 57108-8705
Mailing address
3009 Treasure Hills Blvd
Harlingen, TX 78550-8656
Other providers in Sioux Falls, SD
- Elizabeth Marie Erlandson
- David John Ermer
- Julie Anne Ermer
- Maren Patricia Ernst
- Peyton Ernst
- Abby Ernster
- John E Erpenbach
- Kyah Michelle Escobin
- Nicole Marie Escobin
- Brooke R Espicha
All providers in Sioux Falls, SD · General Practice Dentistry in South Dakota
Sources for this page
- NPPES NPI Registry (CMS): identity, addresses, specialties, licenses, identifiers and endpoints. Record last updated by the provider on Aug 28, 2025. Information in NPPES is self-reported and not verified by CMS.
- NUCC Health Care Provider Taxonomy: specialty names.
- National Provider Directory (CMS): practice roles, locations, licenses, networks and endpoints.