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

Jacob Hadwen

Individual provider Psychologist · NPI 1225869076

Jacob Hadwen is a Clinical Psychologist in Washington, District of Columbia. Graduated from George Washington University School of Medicine in 2025, 1 year ago. Practices with Loudoun Medical Group, PC, a 274-clinician group, works from 2 locations and accepts Medicare assignment. Licensed in District of Columbia and Virginia.

Years since qualifying
1
Trained at
George Washington University School of Medicine
Licensed in
DC, VA
In the registry since
2024
Specialties on file
2
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Practice location Address checks out

2727 29th St NW Apt 411
Washington, DC 20008-5542
Phone: (202) 446-8228
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Pin is approximate — placed at the ZIP-code centre, not the exact door.

Additional practice locations (1)

  • 7921 Jones Branch Dr Ste 311, Mc Lean, VA 22102-3334 — (703) 772-4428

Specialties & licences

Psychologist (primary) Taxonomy 103T00000X · Licence PSYA200001316 (DC)
Psychologist Taxonomy 103T00000X · Licence 0810008804 (VA)

Record details

NPI number1225869076
Entity typeIndividual (Type 1)
GenderMale
Sole proprietorNo
NPI enumeratedAugust 13, 2024
Last updated in NPPESMarch 24, 2026
Certification dateMarch 24, 2026

Medicare enrollment

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

Medicare specialtyCLINICAL PSYCHOLOGIST
Medical schoolGEORGE WASHINGTON UNIVERSITY SCHOOL OF MEDICINE
Graduated 2025 (1 years in practice)
Group practice Loudoun Medical Group, Pc — 274 clinicians
Accepts Medicare assignment Yes — accepts the Medicare-approved amount

Other providers in Washington