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

Benjamin McMahon, MD

Individual provider Psychiatry Physician · NPI 1639865421

Benjamin McMahon, MD is a Psychiatry in Washington, District of Columbia. Graduated from Tulane University School of Medicine in 2023, 3 years ago. Practices with Wisconsin Ave Psychiatric Center Inc, a 9-clinician group and accepts Medicare assignment. Licensed in District of Columbia.

Years since qualifying
3
Trained at
Tulane University School of Medicine
Licensed in
DC
In the registry since
2023
What do these letters mean?
MD — Doctor of Medicine
A physician who completed allopathic medical school.

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Practice location Address checks out

2150 Pennsylvania Ave NW
Washington, DC 20037-3201
Phone: (202) 741-3000
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Pin is approximate — placed at the ZIP-code centre, not the exact door.

Specialties & licences

Psychiatry Physician (primary) Taxonomy 2084P0800X · Licence MD600001876 (DC)

Record details

NPI number1639865421
Entity typeIndividual (Type 1)
GenderMale
Credentials MD
Sole proprietorYes
NPI enumeratedApril 13, 2023
Last updated in NPPESOctober 17, 2024
Certification dateOctober 2, 2024

Medicare enrollment

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

Medicare specialtyPSYCHIATRY
Medical schoolTULANE UNIVERSITY SCHOOL OF MEDICINE
Graduated 2023 (3 years in practice)
Group practice Wisconsin Ave Psychiatric Center Inc — 9 clinicians
Accepts Medicare assignment Yes — accepts the Medicare-approved amount

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