About
Dr. Manny Silis is a board-eligible internal medicine physician practicing in Alexandria, Virginia. He earned his Bachelor of Science in Chemistry from George Washington University in 1986. He then completed his Doctorate of Medicine at the University of Health Sciences/The Chicago Medical School in 1991. Both his internship and his internal medicine residency took place at the George Washington University Program in Washington, DC, finishing in 1994.
Dr. Silis focuses his clinical work on preventive medicine, cardiovascular disease risk reduction, cancer prevention, and dementia risk reduction. He holds membership in the American College of Physicians and the American Medical Association. He speaks Greek in addition to English. Outside of medicine, Dr. Silis plays guitar and enjoys travel. His patients describe him as consistently available, thorough, and genuinely invested in their long-term health.
Education & Training
Undergraduate
George Washington University, B.S. Chemistry, 1986
Medical School
University of Health Sciences/The Chicago Medical School, Doctorate of Medicine, 1991
Residency
Internal Medicine, George Washington University Program, Washington, DC, 1992-1994
Additional Training
Internship: George Washington University Program, Washington, DC, 1991-1992
Languages
Greek
Conditions Treated
Who is Dr. Silis right for?
Dr. Silis is a strong fit for adults who want a proactive, prevention-first approach to primary care. Patients managing cardiovascular risk, cancer screening, or dementia prevention benefit from his focused clinical approach. He works well with patients who value direct access to their physician, including after-hours availability. Adults seeking a long-term relationship with a single dedicated doctor tend to thrive in his practice.
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Frequently Asked Questions
Dr. Silis specializes in internal medicine with a strong focus on preventive care. He targets cardiovascular disease risk, cancer risk, and dementia risk reduction for his patients. He also addresses overall fitness, well-being, and chronic disease management as part of primary care.
Yes. Dr. Silis makes himself reachable by phone after hours and on weekends. Patients do not need to wait until the next business day for urgent concerns. This direct access is a core part of how he runs his practice.
Yes. Every office visit goes directly to Dr. Silis. He does not delegate patient visits to a nurse practitioner or physician assistant. Patients see their doctor each time they come in.
Dr. Silis earned his medical degree from the University of Health Sciences/The Chicago Medical School in 1991. He completed both his internship and internal medicine residency at the George Washington University Program in Washington, DC, finishing his residency in 1994.
Dr. Silis holds membership in the American College of Physicians and the American Medical Association. These memberships reflect his commitment to staying current within the field of internal medicine.
Yes. Dr. Silis speaks Greek in addition to English. Patients who prefer to communicate in Greek can do so during their appointments.
Dr. Silis holds affiliations with Inova Alexandria Hospital, Inova Mt. Vernon Hospital, and Fairfax Hospital. These affiliations allow him to stay closely involved in a patient's care if hospitalization becomes necessary.
Dr. Silis sees patients from Alexandria, Springfield, Old Town, Annandale, and the greater DMV area. His practice sits at 5115 Franconia Road in Alexandria, Virginia.
Doctor profile last updated April 11, 2026