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Recently Updated NPI Information — some details in this NPI profile have been updated in the NPI registry within the last 60 days.

MATSEN GWYN HARTSOE PSYD
NPI 1144161019
Psychologist - Forensic in Winston Salem, NC

Active since April 03, 2026
100 S MARSHALL ST STE 1, WINSTON SALEM, NC 27101(336) 276-1278(336) 276-1516 Get Directions Write a Review

NPPES record last updated: July 7, 2026. Verified against the NPPES registry weekly; last sync: August 02, 2026.

Record update history: Jul 7, 2026, Apr 3, 2026 (2 updates tracked since 2026).

About Matsen Gwyn Hartsoe Psyd NPPES

Official registry information on file with the National Plan and Provider Enumeration System.

MATSEN GWYN HARTSOE PSYD (NPI 1144161019) is an individual forensic provider in Winston Salem, North Carolina and active in the NPI registry since April 2026.

NPPES Registry Identity

NPI1144161019
Entity TypeIndividualMale
Primary Taxonomy103TF0200X
Provider Legal NameMATSEN GWYN HARTSOECredential: PSYD
Location Address100 S MARSHALL ST STE 1Winston Salem, NC 27101-2843
Mailing Address9911 Benefit Church RdKernersville, NC 27284-9645 · (336) 409-3916
Phone(336) 276-1278
Fax(336) 276-1516
Sole ProprietorYes
Enumeration DateApril 3, 2026
Last NPPES UpdateJuly 7, 20262 updates tracked since enumeration
NPPES CertifiedJuly 7, 2026
✔ NPI 1144161019 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyPsychologist · ForensicBehavioral Health & Social Service Providers
Taxonomy Code103TF0200X
Definition
A psychologist whose specialty is characterized by activities primarily intended to provide professional psychological expertise within the judicial and legal systems.
100 S MARSHALL ST STE 1, Winston Salem, NC 27101
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Group Practice 1

Group TaxonomyThis provider is a business group of one or more individual practitioners, who practice with different areas of specialization.193200000X MULTI-SPECIALTY GROUP

Other Providers at the Same Location NPPES 8

Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.

BRADFORD HERRING
Counselor (Professional)
100 S MARSHALL ST STE 1
WINSTON SALEM, NC 27101
Forsyth County (336) 723-4130
EMILY KREWSON WATSON LCMHC, LCAS, NCC
Counselor (Professional)
100 S MARSHALL ST STE 1
WINSTON SALEM, NC 27101
Forsyth County (336) 594-0400
MARY CATHERINE GRANT NCC/CCMHC/LCMHC/LCAS
Counselor (Professional)
100 S MARSHALL ST STE 1
WINSTON SALEM, NC 27101
Forsyth County (362) 761-2783
CAROLINA PSYCHOLOGY GROUP, PLLC
Psychologist (Clinical)
100 S MARSHALL ST STE 1
WINSTON SALEM, NC 27101
Forsyth County (336) 276-1278
DR. SAMUEL BEMISS GRAY PSY.D
Psychologist (Clinical)
100 S MARSHALL ST STE 1
WINSTON SALEM, NC 27101
Forsyth County (336) 276-1278
LAURA KNIGHT STEWART PSYD
Psychologist (Clinical)
100 S MARSHALL ST STE 1
WINSTON SALEM, NC 27101
Forsyth County (364) 484-7733
SERINA HARRIS MSW, LCSWA
Social Worker (Clinical)
100 S MARSHALL ST STE 1
WINSTON SALEM, NC 27101
Forsyth County (336) 723-4130
DAWN MARIE ADAMS M. ED., LPC
Counselor (Mental Health)
100 S MARSHALL ST STE 1, VISION BEHAVIORAL HEALTH SERVICES
WINSTON SALEM, NC 27101
Forsyth County (336) 723-4130

Frequently Asked Questions NPPES & CMS

Common questions about this NPI record, answered from the official NPPES registry and CMS datasets shown on this page.

What is Matsen Hartsoe's NPI number?

The NPI number for Matsen Hartsoe is 1144161019. It was assigned to this individual provider in the NPPES registry on April 3, 2026.

Where is Matsen Hartsoe located?

Matsen Hartsoe practices at 100 S Marshall St Ste 1, Winston Salem, NC 27101. The listed phone number is (336) 276-1278.

What is Matsen Hartsoe's specialty?

The primary specialty registered for this NPI is Psychologist, specializing in Forensic, with taxonomy code 103TF0200X.

When was this NPI record last updated?

The NPPES record for Matsen Hartsoe was last updated on July 7, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 31 days ago. If this record has changed at CMS more recently, you can request an on-demand re-check against the live CMS registry, directly from this page.