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

Matsen Gwyn Hartsoe, PSYD

Individual provider Forensic Psychologist · NPI 1144161019

Matsen Gwyn Hartsoe, PSYD is a Forensic Psychologist in Winston Salem, North Carolina. Practices as a sole proprietor. Registered with an NPI since 2026.

In the registry since
2026
What do these letters mean?
PSYD — Doctor of Psychology
A doctoral psychologist trained primarily for clinical practice.

See every abbreviation used in this directory →

Practice location Address checks out

100 S Marshall St Ste 1
Winston Salem, NC 27101-2843
Phone: (336) 276-1278
Fax: (336) 276-1516
Show map & directions

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

Specialties & licences

Forensic Psychologist (primary) Taxonomy 103TF0200X

Record details

NPI number1144161019
Entity typeIndividual (Type 1)
GenderMale
Credentials PSYD
Sole proprietorYes
NPI enumeratedApril 3, 2026
Last updated in NPPESJuly 7, 2026
Certification dateJuly 7, 2026