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

Joseph James Jennings, MD

Individual provider Internal Medicine Physician · NPI 1538435714

Joseph James Jennings, MD is an Internal Medicine in Washington, District of Columbia. Graduated from Georgetown University School of Medicine in 2012, 14 years ago. Practices with Medstar Medical Group II LLC, a 3,717-clinician group, works from 2 locations, accepts Medicare assignment and offers telehealth. Licensed in District of Columbia and Virginia.

Years since qualifying
14
Trained at
Georgetown University School of Medicine
Licensed in
DC, VA
In the registry since
2012
Specialties on file
3
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 Medicine
Washington, DC 20007-2113
Phone: (202) 444-8168
Fax: (877) 303-1460
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Pin is approximate — placed at the ZIP-code centre, not the exact door.

Additional practice locations (1)

  • 3300 Gallows Rd Dept Of, Falls Church, VA 22042-3300 — (703) 776-3582

Specialties & licences

Gastroenterology Physician (primary) Taxonomy 207RG0100X · Licence MD042557 (DC)
Internal Medicine Physician Taxonomy 207R00000X · Licence MD042557 (DC)
Hospitalist Physician Taxonomy 208M00000X · Licence 0101257960 (VA)

Record details

NPI number1538435714
Entity typeIndividual (Type 1)
GenderMale
Credentials MD
Sole proprietorYes
NPI enumeratedApril 1, 2012
Last updated in NPPESMay 8, 2019

Medicare enrollment

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

Medicare specialtyINTERNAL MEDICINE
Medical schoolGEORGETOWN UNIVERSITY SCHOOL OF MEDICINE
Graduated 2012 (14 years in practice)
Group practice Medstar Medical Group Ii Llc — 3717 clinicians
Accepts Medicare assignment Yes — accepts the Medicare-approved amount
TelehealthOffers telehealth services

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