New Search Yassin Samir Abbas Mohamed M.D. (301) 662-8119 Specialty Internal Medicine Department Medicine Additional Languages Spoken English, Arabic Primary Office Address: Monocacy Health Partners - Internal Medicine Associates 1562 Opossumtown Pike Frederick, MD 21702 Phone: (301) 662-8119 Recommend this Physician Get Directions Education Medical School - Ain Shams University, School of Medicine Residency - Graduate Hospital Residency - Abington Memorial Hospital Board Certifications American Board of Internal Medicine