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

Mr. William D. Thomas, MS

Individual provider Psychologist · NPI 1487640603

Mr. William D. Thomas, MS is a Psychologist in Carlisle, Pennsylvania. Practices as a sole proprietor. Licensed in Pennsylvania.

Licensed in
PA
In the registry since
2005
What do these letters mean?
MS — Master of Science
A graduate science degree.

See every abbreviation used in this directory →

Practice location Address checks out

10 Curtis Dr
Carlisle, PA 17013-2105
Phone: (717) 249-1419
Fax: (717) 249-1244
Show map & directions

Pin is approximate — placed at the ZIP-code centre, not the exact door.

Specialties & licences

Psychologist (primary) Taxonomy 103T00000X · Licence PS002630L (PA)

Record details

NPI number1487640603
Entity typeIndividual (Type 1)
GenderMale
Credentials MS
Sole proprietorYes
NPI enumeratedSeptember 22, 2005
Last updated in NPPESJuly 8, 2007

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