Dr. Ken ZweigMD

Internal Medicine

at Northern Virginia Family Practice — Arlington, VA

About

Ken Zweig, MD has practiced medicine across a wide range of clinical settings over 18 years, and counts concierge internal medicine as the most patient-oriented of them. C. in Arlington, VA. He has served as assistant professor at both Georgetown University and George Washington University Medical Schools and previously sat on the board for the HealthConnect Accountable Care Organization. Dr. Zweig volunteers with the Virginia Hospital Center Honduras Medical Brigade, delivering care to remote villages in Honduras. His clinical focus centers on sleep disorders and hypertension, and he favors behavioral prevention over early medication. He writes the "An Ounce of Prevention MD" column on Psychology Today and has hosted NVFP town hall events on topics including alcohol and substance abuse, vaccines, and brain health. He lives in Arlington, VA and bikes to the office regularly.

Education & Training

Additional Training

Assistant Professor at Georgetown University Medical School and George Washington University Medical School

Certifications

Board Certified in Internal Medicine (implied by practice description)

Languages

English

Conditions Treated

sleep disorders
hypertension
substance abuse
chronic disease management
preventive care

Who is Dr. Zweig right for?

Dr. Zweig is a strong fit for adults seeking a prevention-first approach to internal medicine. Patients managing hypertension or sleep disorders benefit from his focused clinical expertise. He works well with those who prefer behavioral strategies before turning to medication. His academic background at Georgetown and George Washington University adds depth to his clinical thinking.

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Frequently Asked Questions

Dr. Zweig focuses primarily on sleep disorders and hypertension. He takes a prevention-oriented approach to both, favoring behavioral interventions before medication when appropriate. He also manages a broad range of internal medicine and preventive care concerns.

Dr. Zweig prioritizes behavioral prevention over early medication use. He works with patients to address lifestyle factors that drive chronic conditions. This philosophy shapes how he manages sleep health, blood pressure, and long-term wellness planning.

Yes, Dr. Zweig holds board certification in internal medicine. He also has extensive experience in preventive medicine and has taught at both Georgetown University and George Washington University Medical Schools.

Dr. Zweig serves as an assistant professor at Georgetown University and George Washington University Medical Schools. He previously served on the board for the HealthConnect Accountable Care Organization. He also contributes a regular column on preventive health to Psychology Today.

Dr. Zweig volunteers with the Virginia Hospital Center Honduras Medical Brigade. He travels to remote villages in Honduras to deliver medical care to underserved communities. This work reflects his broader commitment to accessible, prevention-focused medicine.

Dr. Zweig has hosted NVFP Town Hall events covering topics including alcohol and substance abuse, vaccines, and brain health. He also writes the "An Ounce of Prevention MD" column for Psychology Today. These efforts reflect his interest in community health education.

Doctor profile last updated March 21, 2026