George V. Tsimoyianis, MD

Darien Pediatric Associates LLC

106 Noroton Avenue
Darien, CT 06820

Main: (203) 655-9741
Fax: (203) 655-9249

About Me

George V. Tsimoyianis, M.D., FAAP is board certified in pediatrics and adolescent and young adult medicine. He specializes in caring for the physical and emotional needs of teenagers and young adults up to age 26 in addition to treating children of all ages.

Dr. Tsimoyianis enjoys watching his patients grow up into young adults. He helps guide them and their parents through the physical and emotional developments of childhood and adolescence. After 30 years of practice, he now cares for the children of his former patients. He feels the connections he makes with his patients are valuable for caring for their needs and help make his job even more rewarding.

Dr. Tsimoyianis teaches as a Clinical Assistant Professor of Pediatrics at New York Medical College. He has served as a consultant to the Stamford and Norwalk High Schools’ School Based Health Centers.

Dr. Tsimoyianis has received recognition for his quality care, including being ranked among the Top Doctors in Connecticut in 2016 and 2017 by Castle Connolly. In his free time, he enjoys hiking, gardening and painting.

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Adolescent Medicine

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special interests

Adolescent psychiatry

Adolescent medicine

Eating disorders



Adolescent nutrition


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Education & Training

Medical School

New York Medical College


Montefiore Medical Center


Long Island Jewish Medical Center

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Published Work

Tsimoyianis GV, Jacobson MS, Feldman JG, Antonio-Santiago MT, Clutario BC, Nussbaum M, Shenker IR.: Reduction in pulmonary function and increased frequency of cough associated with passive smoking in teenage athletes. Pediatrics. 1987 Jul; 80(1): 32-6.

Board Certifications

American Board of Pediatrics


American Society of Adolescent Psychiatry

American Academy of Pediatrics Section on Adolescent Health

American Academy of Pediatrics

If You Are in Need of Emergency Care, Call 911.

The majority of the physicians on the Stamford Hospital Medical Staff are not employees or agents of the Hospital. They are independent practitioners who have been granted the privilege of using the Hospital's facilities for the care and treatment of their patients. This includes, but is not limited to, emergency department physicians, anesthesiologists, radiologists, surgeons, cardiologists, obstetricians, pathologists and other consultants who may treat patients.

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