Provider records sourced from NPPES (CMS National Plan & Provider Enumeration System). Data current as of August 10, 2026.
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Dr. Mark D Sloan, PHD

Individual provider Clinical Psychologist · NPI 1740212927

Dr. Mark D Sloan, PHD is a Clinical Psychologist in Columbia, South Carolina. Licensed in South Carolina. Registered with an NPI since 2006.

Licensed in
SC
In the registry since
2006
What do these letters mean?
PHD — Doctor of Philosophy
A research doctorate. In healthcare it usually sits alongside a clinical licence.

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Practice location Address checks out

4145 Hard Scrabble Rd
Columbia, SC 29223
Phone: (803) 788-1440
Fax: (803) 788-1440
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Pin is approximate — placed at the ZIP-code centre, not the exact door.

Specialties & licences

Clinical Psychologist (primary) Taxonomy 103TC0700X · Licence 226 (SC)

Record details

NPI number1740212927
Entity typeIndividual (Type 1)
GenderMale
Credentials PHD
Sole proprietorNo
NPI enumeratedJuly 7, 2006
Last updated in NPPESJuly 8, 2007

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