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Mary Elizabeth Callsen, M.D.

Photo of Dr. Mary Elizabeth Callsen, M.D.


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Johns Hopkins Community Physicians - Downtown Bethesda
Appointment Phone: 240-235-9100

7315 Wisconsin Avenue
Suite 700
Bethesda, MD 20814 map
Phone: 240-235-9100
Fax: 410-367-2197


Mary Callsen, M.D., practices internal medicine at Johns Hopkins Community Physicians Downtown Bethesda. She received her medical degree from The Ohio State University College of Medicine, and completed her residency in internal medicine at Brooke Army Medical Center in San Antonio, Texas. Dr. Callsen is board-certified in internal medicine and critical care medicine. In 2014, Washingtonian magazine recognized Dr. Callsen as one of the area’s “Top Doctors.” more



  • MD, Ohio State University College of Medicine (1981)


  • Brooke Army Medical Center / Internal Medicine (1984)

Board Certifications

  • American Board of Internal Medicine / Internal Medicine (1984)

Patient Ratings & Comments

The Patient Rating score is an average of all responses to physician related questions on the national CG-CAHPS Medical Practice patient experience survey through Press Ganey. Responses are measured on a scale of 1 to 5, with 5 being the best score. Comments are also gathered from our CG-CAHPS Medical Practice Survey through Press Ganey and displayed in their entirety. Patients are de-identified for confidentiality and patient privacy.

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