Data from the NPPES registry. May not reflect recent changes — verify at nppes.cms.hhs.gov.
CATHERINE A HAJEK, MD
ActiveCATHERINE A HAJEK, MD is a Internal Medicine healthcare provider located in SIOUX FALLS, South Dakota. NPI 1528219664 is currently active in the NPPES registry. Verify at CMS.
Internal Medicine · SIOUX FALLS, SD
Registration Details
- NPI Number
- 1528219664
- Provider Type
- Individual
- Gender
- Female
- NPI Issued
- Oct 7, 2008 (17.882794416602 yrs)
- Last Updated
- Dec 9, 2025
- Licenses
-
8557 (SD)261236 (NY)
Practice Information
- Address
-
1309 W 17TH ST STE G01SIOUX FALLS, SD, 571044664Browse SD providers · Browse ZIP 57104
- Phone
- 6053123400
- Primary Specialty
-
Internal Medicine
207R00000X
- Additional Specialty
- Internal Medicine
Other Internal Medicine Providers in SIOUX FALLS, SD
| Name | Credential | NPI |
|---|---|---|
| TIMOTHY T O'SHEA | M.D. | 1306841382 |
| DAVID W ZEIGLER | M.D. | 1346245222 |
| CANDACE N ZEIGLER | M.D. | 1235134115 |
| ALLEN E FUNK | M.D. | 1306841291 |
| ERIC A LARSON | M.D. | 1134124019 |
| JEREL E TIESZEN | M.D. | 1730184623 |
Data sourced from the NPPES National Provider Identifier registry. This information is for informational purposes only and is not a substitute for verifying credentials with the appropriate licensing authority. For official verification, use the NPPES NPI Registry or the relevant state medical board.