Johns Hopkins Community Physicians - Montgomery County

14955 Shady Grove Road
Suite 100
Rockville, MD 20850 map
Phone: 301-990-3190 | Fax: 410-367-2021


Justin Hahn, D.O., is an internal medicine physician with Johns Hopkins Community Physicians. Dr. Hahn received his undergraduate degree from University of Maryland, College Park. He then went on to receive his medical degree from Nova Southeastern University College of Osteopathic Medicine in Fort Lauderdale, Florida. Shortly after, Dr. Hahn moved back north where he completed his internal medicine residency training at Cooper University Hospital in Camden, New Jersey.  

Dr. Hahn is a Howard County native and grew up in Ellicott City. In his free time, he enjoys trying different restaurants, traveling, basketball and golf.


...read more



  • DO; Nova Southeastern University College of Osteopathic Medicine (2020)


  • Internal Medicine; Cooper University Hospital (2023)

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.

Is this you? Edit Profile
back to top button