Data from the NPPES registry. May not reflect recent changes — verify at nppes.cms.hhs.gov.
JOHN F GREHAN, MD PHD
ActiveThoracic Surgery (Cardiothoracic Vascular) · SIOUX FALLS, SD
Registration Details
- NPI Number
- 1275549784
- Provider Type
- Individual
- Gender
- Male
- NPI Issued
- Aug 1, 2006 (19.74200028537 yrs)
- Last Updated
- Apr 9, 2022
- Licenses
-
35.088377 (OH)13118 (SD)
Practice Information
- Address
-
1301 W 18TH STSIOUX FALLS, SD, 571050401Browse SD providers · Browse ZIP 57105
- Phone
- 6053122100
- Primary Specialty
-
Thoracic Surgery (Cardiothoracic Vascular)
208G00000X
- Additional Specialty
- Thoracic Surgery (Cardiothoracic Vascular)
Other Thoracic Surgery (Cardiothoracic Vascular) Providers in SIOUX FALLS, SD
| Name | Credential | NPI |
|---|---|---|
| VERLYN JON NYKAMP | M.D. | 1629075031 |
| DR. PETER A ANDREONE | MD | 1811985211 |
| MARC J SCHECHTER | MD | 1659358182 |
| DR. LEWIS C OFSTEIN | MD | 1447203047 |
| DR. PAUL E MEYER | MD | 1134174865 |
| DR. TOMMY R REYNOLDS | MD | 1346289618 |
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.