About
Lee Pennington, MD studied Zoology at Duke University before earning his medical degree at the University of Maryland School of Medicine. He completed his internal medicine internship and residency at the University of Maryland Hospital in Baltimore. The American Board of Internal Medicine certifies him, and he holds membership in the American College of Physicians, the American Medical Association, and the Montgomery County Medical Society. Washingtonian Magazine has recognized him as a Top Doctor in internal medicine. Dr. Pennington focuses on anticipating each patient's unique health needs and partners closely with patients to help them reach their personal health goals.
Education & Training
Undergraduate
Duke University, Durham, North Carolina — B.A., Zoology
Medical School
University of Maryland School of Medicine, Baltimore, Maryland
Residency
Internal Medicine Residency, University of Maryland Hospital, Baltimore, Maryland
Certifications
Who is Dr. Pennington right for?
Dr. Pennington is a strong fit for adults who want a physician focused on anticipating health needs before problems arise. Patients managing chronic conditions or seeking proactive internal medicine care benefit from his approach. He works well with individuals who value a close partnership with their doctor. Adults across all age ranges seeking board-certified internal medicine care in Bethesda will find his practice a good match.
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Frequently Asked Questions
Dr. Pennington specializes in internal medicine for adults. The American Board of Internal Medicine certifies him in his specialty. He focuses on anticipating each patient's individual health needs and working collaboratively toward personal health goals.
Dr. Pennington earned his medical degree at the University of Maryland School of Medicine in Baltimore. He completed both his internship and residency in internal medicine at the University of Maryland Hospital. Before medical school, he studied Zoology at Duke University in Durham, North Carolina.
Yes, the American Board of Internal Medicine certifies Dr. Pennington. He also holds membership in the American College of Physicians, the American Medical Association, and the Montgomery County Medical Society.
Yes, Washingtonian Magazine has recognized Dr. Pennington as a Top Doctor in internal medicine. This recognition reflects his long record of clinical excellence in the Washington, DC metro area.
Dr. Pennington focuses on anticipating each patient's unique health needs before issues escalate. He partners closely with patients to help them define and reach their personal health goals. His approach centers on a long-term, collaborative relationship with each individual.
Dr. Pennington holds membership in the American College of Physicians, the American Medical Association, and the Montgomery County Medical Society. These memberships reflect his commitment to staying connected to the broader medical community.
Doctor profile last updated March 21, 2026