About
Dr. Steven P. Marshak is a board-certified internist and the founding physician at Marshak Medical Group. He earned his Bachelor of Science from Georgetown University in 1991 and his medical degree from Georgetown University School of Medicine in 1995. He then completed his internship and residency in internal medicine at the Medical College of Virginia. A member of the American College of Physicians, Dr. Marshak brings focused expertise in preventive medicine, weight management, and cholesterol management. He speaks German, having minored in the language during college. Dr. Marshak believes that a strong doctor-patient relationship is essential to achieving the best health outcomes. He lives in the Rockville area with his wife and two sons.
Education & Training
Undergraduate
Georgetown University, Bachelor of Science, Washington, DC, 1991
Medical School
Georgetown University School of Medicine, Doctor of Medicine, Washington, DC, 1995
Residency
Medical College of Virginia, Internal Medicine, Richmond, VA, 1996-1998
Certifications
Languages
English, German
Conditions Treated
Who is Dr. Marshak right for?
Dr. Marshak is a strong fit for adults seeking a primary care physician with deep expertise in preventive medicine. Patients managing weight, high cholesterol, or cardiovascular risk benefit from his focused clinical approach. He also serves patients who value a long-term, relationship-driven care model. German-speaking patients will find him especially accessible.
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Frequently Asked Questions
Dr. Marshak specializes in internal medicine with a particular focus on weight management, cholesterol care, and cardiovascular health. He also provides comprehensive preventive medicine and chronic disease management for adult patients.
Yes, Dr. Marshak holds board certification in internal medicine. He also maintains membership in the American College of Physicians.
Dr. Marshak earned his medical degree from Georgetown University School of Medicine in 1995. He completed his internship and residency in internal medicine at the Medical College of Virginia.
Yes, Dr. Marshak speaks German. He minored in the language during his undergraduate studies at Georgetown University.
Dr. Marshak primarily sees adult patients. He focuses on preventive care, metabolic health, and managing chronic conditions such as high cholesterol and cardiovascular disease.
Dr. Marshak believes a strong doctor-patient relationship is fundamental to achieving good health outcomes. He takes a preventive, personalized approach and works closely with each patient to develop an effective care plan.
Yes, Dr. Marshak offers same or next-day appointments as part of the Marshak Medical Group concierge model. Standard visits run 30 minutes, and patients can also reach him directly after hours.
Doctor profile last updated March 21, 2026