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Matthew A Parker, M.D.

Photo of Dr. Matthew A Parker, M.D.


Expertise: Internal Medicine


Drs Parker Kline Dunn and Horowitz
Appointment Phone: 202-293-3636

2021 K Street NW
Suite 512
Washington, DC 20006 map
Phone: 202-293-3636
Fax: 202-293-0289


Dr. Matthew A. Parker is an internist affiliated with Sibley Memorial Hospital and George Washington University Hospital. Dr. Parker is certified in internal medicine by the American Board of Internal Medicine. He practices out of D.C. Internists in Washington, D.C.

Dr. Parker earned his medical degree from New York Medical College. He completed a residency in internal medicine at George Washington University Hospital and went on to teach in the department of medicine for three years. 

Dr. Parker has been named a Top Doctor by Consumers’ Checkbook magazine. more

Departments / Divisions

  • Medicine at Sibley Memorial Hospital



  • MD, New York Medical College (1975)


  • George Washington University Hospital / Internal Medicine (1978)

Board Certifications

  • American Board of Internal Medicine / Internal Medicine (1978)
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