Data from the NPPES registry. May not reflect recent changes — verify at nppes.cms.hhs.gov.
DR. MARK ALLEN WILLIAMS, PH.D.
Active Sole ProprietorDR. MARK ALLEN WILLIAMS, PH.D. is a Clinical Neuropsychologist healthcare provider located in MOUNT PLEASANT, South Carolina. NPI 1801839204 is currently active in the NPPES registry. Verify at CMS.
Clinical Neuropsychologist · MOUNT PLEASANT, SC
Registration Details
- NPI Number
- 1801839204
- Provider Type
- Individual
- Gender
- Male
- NPI Issued
- Jun 14, 2006 (20.192167322024 yrs)
- Last Updated
- Sep 11, 2025
- Licenses
-
994 (SC)994 (SC)
- Sole Proprietor
- Yes
Practice Information
- Address
-
886 JOHNNIE DODDS BLVDSUITE 102MOUNT PLEASANT, SC, 294643190Browse SC providers · Browse ZIP 29464
- Phone
- 8434257142
- Fax
- 8668075863
- Primary Specialty
-
Clinical Neuropsychologist
103G00000X
- Additional Specialty
- Clinical Psychologist
Other Clinical Neuropsychologist Providers in MOUNT PLEASANT, SC
| Name | Credential | NPI |
|---|---|---|
| DR. JOY H WYMER | PH.D. | 1770568941 |
| DR. JESSE DANIEL CHASMAN | PH.D. | 1366724361 |
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.