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

Diona Martyn, PHD, PMHNP-BC

Individual provider Psychiatric/Mental Health Nurse Practitioner · NPI 1598500167

Diona Martyn, PHD, PMHNP-BC is a Psychiatric/Mental Health Nurse Practitioner in Manassas Park, Virginia. Licensed in Virginia. Registered with an NPI since 2024.

Licensed in
VA
In the registry since
2024
What do these letters mean?
PHD — Doctor of Philosophy
A research doctorate. In healthcare it usually sits alongside a clinical licence.
PMHNP-BC — Psychiatric-Mental Health Nurse Practitioner, Board Certified
A board-certified psychiatric nurse practitioner.

See every abbreviation used in this directory →

Practice location Address checks out

99 Tremont St
Manassas Park, VA 20111-1800
Phone: (703) 993-5880
Show map & directions

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

Specialties & licences

Psychiatric/Mental Health Nurse Practitioner (primary) Taxonomy 363LP0808X · Licence 0024190554 (VA)

Record details

NPI number1598500167
Entity typeIndividual (Type 1)
GenderFemale
Credentials PHD , PMHNP-BC
Sole proprietorNo
NPI enumeratedJune 26, 2024
Last updated in NPPESJune 26, 2024
Certification dateJune 26, 2024