Individual
DR. MARK ALLEN WILLIAMS
Active
Sole proprietor
Yes
Provider details
NPI number
Gender
Man
Credential
PH.D.
Contact information
Practice address
886 JOHNNIE DODDS BLVD, SUITE 102, MOUNT PLEASANT, SC 29464-3190
(843) 425-7142
(866) 807-5863
Mailing address
886 JOHNNIE DODDS BLVD, SUITE 102, MOUNT PLEASANT, SC 29464-3190
(843) 425-7142
(866) 807-5863
Taxonomy
Speciality
Code
Description
License number
State
103G00000X
Clinical Neuropsychologist
Primary
994
SC
103TC0700X
Clinical Psychologist
994
SC
Other
Enumeration date
06/14/2006
Last updated
09/11/2025
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