About
Lakshmi Sastry, MD has practiced internal medicine in Maryland for 22 years, building one of Bethesda's most trusted primary care practices. She earned her medical degree from the University of Health Sciences in India, then completed an internship in internal medicine at the University of Washington in Seattle. , where she chose to stay and build her career in the region.
Dr. Sastry holds certification as a Diplomate of the American Board of Internal Medicine. She serves as an Assistant Professor of Medicine at George Washington University School of Medicine and Health Sciences, contributing to physician training alongside her clinical work. Her specialties span internal medicine, preventive medicine, and geriatrics. She treats conditions including diabetes, heart disease, high blood pressure, high cholesterol, lung disease, sleep disorders, and joint conditions. Her peers have recognized her as a Washingtonian Top Doctor every year since 2015. Patients describe relationships spanning 20 to 30 years, with Dr. Sastry caring for multiple generations of the same families. She lives in Bethesda with her husband and two sons and enjoys gardening, hiking, and cooking.
Education & Training
Medical School
University of Health Sciences, India
Residency
Internal Medicine, George Washington University Medical Center, Washington, D.C.
Additional Training
Internship in Internal Medicine, University of Washington, Seattle
Certifications
Conditions Treated
Who is Dr. Sastry right for?
Dr. Sastry is a strong fit for adults who want a long-term relationship with a deeply experienced internist. Patients managing chronic conditions such as diabetes, hypertension, high cholesterol, or heart disease benefit from her proactive, prevention-focused approach. Older adults seeking geriatric-informed care find her combination of internal medicine and geriatrics particularly well-suited. Patients who value direct physician access and unhurried visits will feel at home in her practice.
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Frequently Asked Questions
Dr. Sastry treats a broad range of adult conditions, including diabetes, heart disease, high blood pressure, high cholesterol, lung disease, sinus infections, sleep disorders, and joint conditions. She also manages respiratory illnesses and coordinates care for patients with multiple or complex chronic conditions.
Yes. Dr. Sastry holds certification as a Diplomate of the American Board of Internal Medicine. She completed her residency at George Washington University Medical Center and has practiced internal medicine in Maryland for 22 years.
Dr. Sastry specializes in internal medicine, preventive medicine, and geriatric medicine. She brings particular depth to chronic disease management and long-term preventive care for adults.
Dr. Sastry earned her medical degree from the University of Health Sciences in India. C.
Yes. Dr. Sastry serves as an Assistant Professor of Medicine at George Washington University School of Medicine and Health Sciences. She contributes to the training of medical students and residents alongside her clinical practice.
Dr. Sastry has earned recognition as a Washingtonian Top Doctor by her peers every year since 2015. Her patients have also recognized her through Washington Consumers' Checkbook.
Dr. Sastry believes every patient has a unique story that shapes their health. She encourages patients to set their own health goals and work toward them as active partners. Her visits give patients the time to ask questions and receive thorough, thoughtful answers.
Yes. Geriatric medicine is one of Dr. Sastry's core specialties. She brings over two decades of experience caring for aging adults and manages the complex health needs that often accompany later life.
Dr. Sastry's practice is currently full. 8858.
Doctor profile last updated April 10, 2026