“I believe that it is extremely important to establish strong relationships between the doctor and patient. Without this bond it is difficult to maximize the best possible health outcomes for patients.”

Board Certification

  • Internal Medicine


Internship and Residency

Medical College of Virginia
Internal Medicine
Richmond, VA
1996 and 1998

Medical School

Georgetown University School of Medicine
Doctor of Medicine
Washington, DC

Undergraduate School

Georgetown University
Bachelor of Science
Washington, DC

Hospital Affiliated With

Shady Grove Adventist Hospital

Professional Association

American College of Physicians (ACP)

Personal Interests

Dr. Marshak lives in the Rockville area with his wife and two boys. He minored in German in college and still maintains a strong knowledge today.