DR. MARK ALLEN WILLIAMS PH.D.
NPI 1801839204
Clinical Neuropsychologist in Mount Pleasant, SC
About Dr. Mark Allen Williams Ph.d. NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
DR. MARK ALLEN WILLIAMS PH.D. (NPI 1801839204) is an individual clinical neuropsychologist in Mount Pleasant, South Carolina, licensed in South Carolina (994) and active in the NPI registry since June 2006.
NPPES Registry Identity
Specialties & Licenses 2
A clinical psychologist who applies principles of assessment and intervention based upon the scientific study of human behavior as it relates to normal and abnormal functioning of the central nervous system. The specialty is dedicated to enhancing the understanding of brain-behavior relationships and the application of such knowledge to human problems.
Other Providers at the Same Location NPPES 6
Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.
MT PLEASANT, SC 29464
MT PLEASANT, SC 29464
MT PLEASANT, SC 29464
Frequently Asked Questions NPPES & CMS
Common questions about this NPI record, answered from the official NPPES registry and CMS datasets shown on this page.
What is Mark Williams's NPI number?
The NPI number for Mark Williams is 1801839204. It was assigned to this individual provider in the NPPES registry on June 14, 2006.
Where is Mark Williams located?
Mark Williams practices at 886 Johnnie Dodds Blvd Suite 102, Mount Pleasant, SC 29464. The listed phone number is (843) 425-7142.
What is Mark Williams's specialty?
The primary specialty registered for this NPI is Clinical Neuropsychologist with taxonomy code 103G00000X.
When was this NPI record last updated?
The NPPES record for Mark Williams was last updated on September 11, 2025. NPI Profile syncs with the weekly NPPES data releases published by CMS.
