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

Dr. Geoffrey T Gibney, MD

Individual provider Internal Medicine Physician · NPI 1164696878

Dr. Geoffrey T Gibney, MD is a Medical Oncology in Washington, District of Columbia. Graduated from University of Connecticut School of Medicine in 2005, 21 years ago. Practices with Medstar Medical Group II LLC, a 3,717-clinician group, accepts Medicare assignment and offers telehealth. Licensed in Connecticut, District of Columbia and Massachusetts.

Years since qualifying
21
Trained at
University of Connecticut School of Medicine
Licensed in
CT, DC, MA
In the registry since
2008
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

3970 Reservoir Rd NW
Washington, DC 20007-2126
Phone: (202) 444-7064
Fax: (202) 444-1229
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Pin is approximate — placed at the ZIP-code centre, not the exact door.

Specialties & licences

Internal Medicine Physician (primary) Taxonomy 207R00000X · Licence MD042897 (DC)
Internal Medicine Physician Taxonomy 207R00000X · Licence 226152 (MA)
Internal Medicine Physician Taxonomy 207R00000X · Licence 226152 (CT)

Record details

NPI number1164696878
Entity typeIndividual (Type 1)
GenderMale
Credentials MD
Sole proprietorYes
NPI enumeratedApril 15, 2008
Last updated in NPPESMay 21, 2015

Medicare enrollment

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

Medicare specialtyMEDICAL ONCOLOGY
Also practisesINTERNAL MEDICINE
Medical schoolUNIVERSITY OF CONNECTICUT SCHOOL OF MEDICINE
Graduated 2005 (21 years in practice)
Group practice Medstar Medical Group Ii Llc — 3717 clinicians
Accepts Medicare assignment Yes — accepts the Medicare-approved amount
TelehealthOffers telehealth services
Practice locations2 on file with Medicare

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