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

Mr. Gregory Anyinam Obiwuma, PMHNP

Individual provider Psychiatric/Mental Health Nurse Practitioner · NPI 1164052692

Mr. Gregory Anyinam Obiwuma, PMHNP is a Nurse Practitioner in Washington, District of Columbia. Qualified in 2019, 7 years ago. Works from 3 locations and accepts Medicare assignment. Licensed in District of Columbia.

Years since qualifying
7
Licensed in
DC
In the registry since
2020
Specialties on file
2
What do these letters mean?
PMHNP — Psychiatric-Mental Health Nurse Practitioner
A nurse practitioner specialising in mental health, able to prescribe psychiatric medication.

See every abbreviation used in this directory →

Practice location Address checks out

1818 New York Ave NE Ste 233
Washington, DC 20002-1848
Phone: (202) 706-4428
Fax: (800) 648-0573
Show map & directions

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

Additional practice locations (2)

  • 2811 Pennsylvania Ave Se, Washington, DC 20020-3865 — (202) 894-6811
  • 1418 Good Hope Rd Se, Washington, DC 20020-5615 — (202) 558-2448

Specialties & licences

Psychiatric/Mental Health Nurse Practitioner (primary) Taxonomy 363LP0808X · Licence NP1016444 (DC)
Psychiatric/Mental Health Nurse Practitioner Taxonomy 363LP0808X · Licence RN1016444 (DC)

Record details

NPI number1164052692
Entity typeIndividual (Type 1)
GenderMale
Credentials PMHNP
Sole proprietorNo
NPI enumeratedJanuary 23, 2020
Last updated in NPPESDecember 11, 2024
Certification dateDecember 11, 2024

Medicare enrollment

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

Medicare specialtyNURSE PRACTITIONER
Medical schoolOTHER
Graduated 2019 (7 years in practice)
Accepts Medicare assignment Yes — accepts the Medicare-approved amount

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