- Pediatric CareWelcome to Uptown Pediatrics! We are very happy that you have chosen our practice, and we look forward to getting to know you and your child in the years ahead.
- Emergency CareAll of our doctors have attending staff privileges at Mount Sinai Hospital and are faculty members of the Department of Pediatrics at the Mount Sinai School of Medicine. We are actively involved in teaching medical students and residents, and have four wonderful pediatric residents who see patients with us once a week. We have admitting privileges at Mount Sinai’s newborn nursery, so let us know if you are planning to deliver there so we can be sure to stop by and meet your baby after he or she is born. If your child is admitted to the hospital, we will closely coordinate your child’s care with the pediatric hospitalists and emergency room physicians.
- ImmunizationsToday, most children in the United States lead much healthier lives and parents live with much less anxiety and worry over infections during childhood. Immunizations are one of the success stories of modern medicine.
- EndocrinologyMichelle Klein began working at Uptown Pediatrics in 2008. A California native, Dr. Klein received her BA in Neuroscience from UCLA, her master’s degree in Physiology and Biophysics from Georgetown University, and her medical degree from New York Medical College. Dr. Klein completed her pediatric residency, chief residency, and pediatric endocrinology fellowship at Mount Sinai Hospital. Dr. Klein loves sharing her knowledge with future pediatricians, and she was honored with the Arnold Gold Humanism in Medicine Teaching Award. Dr. Klein is particularly interested in growth and short stature, thyroid disease, children born small for gestational age, abnormal pubertal development, and she has authored many publications on these topics. In her spare time, Dr. Klein, who also has three children, enjoys traveling, playing volleyball, dancing, and spending quality time with family and friends.
- Thyroid
- DermatologyJohn Larsen has been a doctor at Uptown Pediatrics since 1985. A New Yorker since birth, Dr. Larsen received his BA at Queens College and his MD at Downstate Medical Center. He stayed in New York to complete his pediatric residency, chief residency, and pediatric infectious disease fellowship at Mount Sinai Hospital. Dr Larsen is a member of the American Academy of Pediatrics and a former president of the New York Pediatric Society. As an associate clinical professor and associate attending at Mount Sinai Hospital, he is actively involved in teaching medical students and residents. He has published several scholarly articles on topics in infectious disease, and remains the office expert on pediatric infectious disease and dermatology. Dr Larsen’s interests include, biking, reading, and music. He occasionally leaves the island of Manhattan to go hiking and enjoy the outdoors.
- EczemaDr. Treyster has expertise in treating asthma, environmental allergies, food and drug allergies, eczema, immunodeficiency, and autoinflammatory disorders. She has conducted original research and is a member of numerous professional organizations, including the AAAAI, the ACAAI, and the AAP. She currently serves on the executive committee of New York Allergy & Asthma Society.
- AllergiesAward-winning doctors specializing in general pediatrics, adolescent medicine, pediatric endocrinology, pediatric infectious disease and pediatric allergy and immunology.