Data from the NPPES registry. May not reflect recent changes — verify at nppes.cms.hhs.gov.
WILLIAM L. SIMPSON, M.D.
Active Sole ProprietorInternal Medicine · WARRENTON, VA
Registration Details
- NPI Number
- 1124092309
- Provider Type
- Individual
- Gender
- Male
- NPI Issued
- Feb 15, 2006 (20.178315962274 yrs)
- Last Updated
- Jul 25, 2025
- License
-
0101048951 (VA)
- Sole Proprietor
- Yes
Practice Information
- Address
-
332 W LEE HWY # 251WARRENTON, VA, 201862428Browse VA providers · Browse ZIP 20186
- Phone
- 8333628800
- Fax
- 5403518650
- Primary Specialty
-
Internal Medicine
207R00000X
Other Internal Medicine Providers in WARRENTON, VA
| Name | Credential | NPI |
|---|---|---|
| DR. JEFFREY R ABRAMS | M.D. | 1598768400 |
| KEVIN C. MCCARTHY | M.D. | 1588638761 |
| DEMETRIUS S. MAOURY | M.D. | 1619941796 |
| JAE Y. LEE | M.D. | 1851365720 |
| JOSEPH P. DAVID | M.D. | 1851365936 |
| ALIREZA TAJICK | MD | 1972563518 |
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.