Provider records sourced from NPPES (CMS National Plan & Provider Enumeration System). Data current as of August 10, 2026.
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James Thomas De Marco, DNP, APRN, PMHNP-BC

Individual provider Registered Nurse · NPI 1104709229

James Thomas De Marco, DNP, APRN, PMHNP-BC is a Nurse Practitioner in Arlington, Virginia. Qualified in 2025, 1 year ago. Practices with Psych Associates of Maryland LLC, a 139-clinician group, works from 2 locations and accepts Medicare assignment. Licensed in District of Columbia and Virginia.

Years since qualifying
1
Licensed in
DC, VA
In the registry since
2025
Specialties on file
4
What do these letters mean?
DNP — Doctor of Nursing Practice
The highest clinical degree in nursing.
APRN — Advanced Practice Registered Nurse
The umbrella licence covering nurse practitioners, midwives, anaesthetists and clinical nurse specialists.
PMHNP-BC — Psychiatric-Mental Health Nurse Practitioner, Board Certified
A board-certified psychiatric nurse practitioner.

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Practice location Address checks out

801 N Quincy St
Arlington, VA 22203-1999
Phone: (703) 782-4793
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Pin is approximate — placed at the ZIP-code centre, not the exact door.

Additional practice locations (1)

  • 1660 L St Nw Ste 430, Washington, DC 20036-5748 — (202) 677-3302

Specialties & licences

Psychiatric/Mental Health Nurse Practitioner (primary) Taxonomy 363LP0808X · Licence 0024194363 (VA)
Registered Nurse Taxonomy 163W00000X · Licence RN1044683 (DC)
Psychiatric/Mental Health Nurse Practitioner Taxonomy 363LP0808X · Licence NP1044683 (DC)
Registered Nurse Taxonomy 163W00000X · Licence 0001248797 (VA)

Record details

NPI number1104709229
Entity typeIndividual (Type 1)
GenderMale
Credentials DNP , APRN , PMHNP-BC
Sole proprietorNo
NPI enumeratedJuly 28, 2025
Last updated in NPPESMarch 2, 2026
Certification dateMarch 2, 2026

Medicare enrollment

From the CMS Doctors & Clinicians file — this clinician is enrolled in Medicare.

Medicare specialtyNURSE PRACTITIONER
Medical schoolOTHER
Graduated 2025 (1 years in practice)
Group practice Psych Associates Of Maryland Llc — 139 clinicians
Accepts Medicare assignment Yes — accepts the Medicare-approved amount
Practice locations2 on file with Medicare

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