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

Mr. William Mark Frederick, MA

Individual provider Marriage & Family Therapist · NPI 1851561393

Mr. William Mark Frederick, MA is a Marriage & Family Therapist in Clemson, South Carolina. Practices as a sole proprietor. Licensed in California and South Carolina.

Licensed in
CA, SC
In the registry since
2008
Specialties on file
2
What do these letters mean?
MA — Master of Arts
A graduate arts degree.

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Practice location Address checks out

214 Keowee Trl
Clemson, SC 29631-1448
Phone: (864) 367-9023
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Pin is approximate — placed at the ZIP-code centre, not the exact door.

Specialties & licences

Marriage & Family Therapist (primary) Taxonomy 106H00000X · Licence 4564 (SC)
Marriage & Family Therapist Taxonomy 106H00000X · Licence MFC 30357 (CA)

Record details

NPI number1851561393
Entity typeIndividual (Type 1)
GenderMale
Credentials MA
Sole proprietorYes
NPI enumeratedMarch 11, 2008
Last updated in NPPESFebruary 4, 2014
Mailing address106 Brookstone Way, Central, SC 29630-3604

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