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Pediatric Care for Infants, Children & Young Adults
Darien Pediatric Associates has provided dedicated pediatric care since the 1980s, serving Darien and surrounding communities. Our practice was founded on the principle of delivering personalized medical attention to infants, children, and young adults. With three board-certified physicians, we combine decades of clinical expertise with a patient-centered approach to address both routine and complex health needs. Our team maintains a singular focus on child and adolescent well-being, offering comprehensive services including well-child visits, immunizations, and specialized adolescent medicine.

We operate from a centralized location with convenient access to I-95, maintaining weekday office hours while providing after-hours telehealth consultations for urgent matters. Our physicians hold active hospital affiliations and teaching appointments, ensuring our practice remains at the forefront of pediatric healthcare advancements.
Services
Well-Child Visits Immunizations Telehealth Consultations Adolescent Medicine Prescription Services Sick Child Appointments Developmental Screenings Nutritional Counseling School Physicals Mental Health Support
Highlights and features
  • We provide over 35 years of continuous pediatric care in the community
  • Our physicians maintain active hospital affiliations and teaching appointments
  • Specialized adolescent medicine services for patients up to age 26
  • 24/7 telehealth access for urgent medical concerns
  • Personalized care approach with same-day sick visit availability
Associations and certifications
  • American Academy of Pediatrics
  • Board Certified in Pediatrics
Services
Adolescent Medicine
Specialized care for patients aged 12-26 addressing unique health needs during the transition to adulthood. Our board-certified specialists treat body image concerns, nutritional issues, mental health challenges, and substance abuse. We provide confidential consultations in a private waiting area with flexible appointment times available.
Telehealth Visits
Secure remote consultations available during regular office hours and after-hours for urgent medical concerns. Our telehealth platform enables diagnosis and treatment of common illnesses without requiring office visits, with appropriate fees applied based on service complexity.
Well-Child Visits
Comprehensive developmental assessments following AAP-recommended schedules from newborn through adolescence. These visits monitor growth patterns, administer immunizations, and provide parental guidance on nutrition, safety, and developmental milestones to ensure optimal childhood development.
Immunization Program
Full compliance with CDC-recommended vaccine schedules including routine childhood immunizations and catch-up programs. Our practice follows current standards for vaccine storage and administration while providing documentation for school requirements and travel-related immunizations.
Sick Child Care
Walk-in evaluations for common childhood illnesses like ear infections, sore throats, and rashes with same-day access Monday-Friday 8:30-9:30am. For persistent symptoms or complex concerns, we schedule comprehensive appointments with our pediatricians during regular office hours.
People
George V. Tsimoyianis
Founder & Adolescent Medicine Specialist
Board-certified in Adolescent Medicine with 35+ years experience. Recognized Top Doctor in Connecticut since 2016. Specializes in teen mental health and nutrition. Holds teaching appointment at New York Medical College.
John M. Dubaz
Pediatrician
Practicing since 1989 with focus on learning disorders and ADHD. Clinical Assistant Professor at New York Medical College. Served as Stamford Public Schools physician. Fluent in Italian and Spanish.
Lauren Bader
Pediatrician
Board-certified graduate of New York Medical College. Special interest in infant care and parent counseling. Serves on staff at Stamford and Norwalk Hospitals. Fluent in Spanish with practice since 2015.
Questions
What insurance plans do you accept?
We accept Aetna, Anthem BCBS, Cigna, Connecticare, United Healthcare, HUSKY, and several other major insurance plans. Please verify coverage with your provider before visits.
Are same-day sick appointments available?
Yes, we offer walk-in sick visits Monday-Friday 8:30-9:30am for acute issues like fevers, rashes, and respiratory infections. More complex concerns require scheduled appointments.
How can I request prescription refills?
Call our office Tuesday-Thursday for chronic medication refills. Allow 72 hours for prior authorizations. Some medications require written prescriptions picked up at local pharmacies.
Do you provide after-hours medical care?
Our physicians provide 24/7 telehealth consultations for urgent concerns. Call our main line (203-655-9741) and the on-call doctor will respond within one hour.
What adolescent-specific services do you offer?
Dr. Tsimoyianis provides specialized care for teens and young adults up to 26, addressing body image, mental health, nutrition, and transitional care in a confidential setting.
How do I schedule well-child visits?
We recommend scheduling all visits up to 18 months during the previous appointment. Follow the AAP-recommended schedule with visits at key developmental milestones from birth through age 6.
Reviews (3)
Kielsen Baker
Oct 16, 2021 Report
Excellent pediatric practice, I highly recommend Darien Pediatric's! We have been patients since 2013, and I wouldn't trust my children's care to any other practice. I am in the medical industry as well and am VERY PARTICULAR about the doctors our family sees. Darien Pediatric's are hands down the best in Fairfield County!
Donald Livingston
Apr 13, 2021 Report
Been using Darien Pediatrics for 10 years since birth of son and have only good things to say about the practice: short waits, phone calls promptly returned, friendly, and compassion to patients.
Lauren Eng
Mar 10, 2021 Report
Love the Doctors here. It is unfortunate because there is a receptionist there that is extremely rude. I feel uncomfortable calling because she makes you feel like she is doing you a favor and you are inconviencing her. It is truly unfortunate because I do love the Doctors.