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

Martin James McNamara, MD

Individual provider Cardiovascular Disease Physician · NPI 1477172500

Martin James McNamara, MD is a Cardiovascular Disease (Cardiology) in Washington, District of Columbia. Graduated from Georgetown University School of Medicine in 2020, 6 years ago. Practices with Medstar Heart Institute LLC, a 311-clinician group and accepts Medicare assignment. Licensed in District of Columbia.

Years since qualifying
6
Trained at
Georgetown University School of Medicine
Licensed in
DC
In the registry since
2020
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

3800 Reservoir Rd NW Dept OF
Washington, DC 20007-2113
Phone: (202) 444-8168
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Pin is approximate — placed at the ZIP-code centre, not the exact door.

Specialties & licences

Cardiovascular Disease Physician (primary) Taxonomy 207RC0000X · Licence MD210011931 (DC)

Record details

NPI number1477172500
Entity typeIndividual (Type 1)
GenderMale
Credentials MD
Sole proprietorNo
NPI enumeratedApril 9, 2020
Last updated in NPPESJuly 10, 2023
Certification dateJuly 10, 2023

Medicare enrollment

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

Medicare specialtyCARDIOVASCULAR DISEASE (CARDIOLOGY)
Medical schoolGEORGETOWN UNIVERSITY SCHOOL OF MEDICINE
Graduated 2020 (6 years in practice)
Group practice Medstar Heart Institute Llc — 311 clinicians
Accepts Medicare assignment Yes — accepts the Medicare-approved amount
Practice locations2 on file with Medicare

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