About
Dr. David J. Sosnowik earned both his undergraduate degree in chemistry and his medical degree from George Washington University. He completed his internship, internal medicine residency, and gastroenterology fellowship at Long Island Jewish Medical Center between 1983 and 1988. He holds board certifications in both internal medicine and gastroenterology. In 1988, he founded Austin Medical Associates in Forest Hills, Queens, where he has practiced ever since. He also serves as a provider with Digestive Disease Care and holds staff appointments at Northwell Health and Long Island Jewish Medical Center.
Dr. Sosnowik has a strong interest in nutrition and its role in preventing and managing disease. He believes that consistent, thoughtful eating habits are one of the most powerful tools available to patients. He practices what he preaches: he cycles to work most days and brings organic food his wife prepares each morning. His published research includes work on aortoesophageal fistula, isoamylase differentiation in ascites, and cholecystokinin receptor antagonists. He is a member of Alpha Omega Alpha Medical Honor Society and the Association of American Physicians and Surgeons.
Education & Training
Undergraduate
George Washington University, Bachelor of Arts, Chemistry 1980
Medical School
George Washington University, Doctorate of Medicine 1983
Residency
Internal Medicine, Long Island Jewish Medical Center, 1984-1986
Fellowship
Gastroenterology, Long Island Jewish Medical Center, 1986-1988
Additional Training
Internship, Long Island Jewish Medical Center, 1983-1984
Certifications
Conditions Treated
Who is Dr. Sosnowik right for?
Dr. Sosnowik suits adults who want a physician focused on prevention and long-term health. Patients with gastrointestinal conditions benefit from his gastroenterology training and decades of clinical experience. Those interested in nutrition as a path to better health will find his approach practical and grounded. He works well with patients who value a lasting, trust-based relationship with their primary care doctor.
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Frequently Asked Questions
Dr. Sosnowik treats a wide range of internal medicine and gastroenterology conditions. His clinical focus includes digestive health, nutrition-related disorders, and preventive care. He also manages chronic conditions through comprehensive annual wellness assessments.
Yes. Dr. Sosnowik holds board certifications in both internal medicine and gastroenterology. He completed his fellowship training in gastroenterology at Long Island Jewish Medical Center in 1988.
Dr. Sosnowik trained entirely at Long Island Jewish Medical Center, completing his internship, internal medicine residency, and gastroenterology fellowship there between 1983 and 1988. He earned his medical degree from George Washington University in 1983.
Dr. Sosnowik has practiced in Forest Hills, Queens since 1988, when he founded Austin Medical Associates. He has maintained his practice there ever since, building long-term relationships with his patients over several decades.
Dr. Sosnowik views nutrition as a foundational element of health. He believes proper eating habits can help prevent, treat, or manage many health conditions. He emphasizes steady, sustainable dietary changes rather than quick fixes and applies this philosophy to his own daily routine.
Yes. Dr. Sosnowik holds staff appointments at Northwell Health and Long Island Jewish Medical Center. He also serves as a provider with Digestive Disease Care. These affiliations give his patients access to resources at leading regional medical centers.
Yes. Dr. Sosnowik has co-authored peer-reviewed research in gastroenterology. His published work includes studies on aortoesophageal fistula, isoamylase differentiation in malignant ascites, and the effects of a cholecystokinin receptor antagonist on food consumption.
Dr. Sosnowik values a close, trust-based relationship between doctor and patient. He joined the MDVIP model specifically to move beyond brief, complaint-focused visits. His goal is to deliver personalized care built on mutual respect and continuity over time.
Doctor profile last updated June 8, 2026