Our Doctors
Elizabeth Z. Krowitz, M.D.
Dr. Krowitz joined Greenwich Pediatrics in 1991. She graduated with honors from Harvard-Radcliffe University with an A.B. in Biology, received her M.D. from Cornell University Medical College, and completed her residency in Pediatrics at the Albert Einstein College of Medicine.
Before joining Greenwich Pediatrics, she did an Ambulatory Pediatric Fellowship at Montefiore and North Central Bronx Hospitals. She is Board Certified by the American Board of Pediatrics and is a Fellow of the American Academy of Pediatrics.
Dr. Krowitz lives with her husband, Scott, in Stamford, where she raised two successful young men. She is an active member of the Stamford Jewish community. In her free time, she loves hiking, travel, art and theatre, as well as spending time with family and friends.
Jennifer Millman, M.D.
Dr. Millman joined Greenwich Pediatrics in 2017. She graduated with high honors from Haverford College with a B.S. in Biology and concentration in Biochemistry. She received her M.D. from New York University School of Medicine and completed her residency in Pediatrics at the Icahn School of Medicine at Mount Sinai. She is board certified in Pediatrics by the American Board of Pediatrics and a fellow of the American Academy of Pediatrics.
Dr. Millman lives locally with her husband and two young sons. In her free time, she loves reading, hiking, squash, and musical theater.
Jessica Epstein, M.D.
Dr. Epstein lives locally with her husband and young daughter. She enjoys hiking, traveling, snowboarding and whale watching with her family and friends.
Kimberly Asante, M.D.
Dr. Kimberly Asante joined Greenwich Pediatrics in 2021. She graduated from Fairfield University with her B.S. in Biology. She received her MD from the Jacobs School of Medicine at the University at Buffalo and completed her residency from The Children’s Hospital at Montefiore. She is a fellow of the American Academy of Pediatrics. Dr Asante is Board Certified by the American Board of Pediatrics.
Dr. Asante enjoys hiking, gardening, baking, and traveling with her husband Kwadwo and her two children Emma and Teddy.
Daniel Casteline, M.D.
Dr. Casteline graduated from Florida International University in 2014 with a B.S. in Biology. He received his M.D. from the Frank Netter School of Medicine at Quinnipiac University and completed his residency training in pediatrics at the Children's Hospital at Montefiore in the Bronx.
Dr. Casteline is interested in all aspects of pediatrics but has a special interest in working with teenagers and helping them navigate their adolescence. In his free time he enjoys exploring NYC, being active, playing video games and cooking new recipes.
Therese Bernstein, DNP, APRN, IBCLC
Terri Bernstein first joined Greenwich Pediatrics as a Nurse Practitioner in 1991. Prior to joining Greenwich Pediatrics, she worked at New York Hospital in the Pediatric ICU, and subsequently at Stamford Hospital as the Pediatric Clinical Specialist.
Terri received her BSN from Boston University, MSN from Columbia University, and her Doctor of Nursing Practice from Duke University. She is board certified as a Pediatric and Family Nurse Practitioner, and is PALS and BLS certified. She is also an American Heart Association BLS instructor.
Terri is currently an Adjunct Professor in the Department of Graduate Studies at Pace University Lienhard School of Nursing and teaches in their Family Nurse Practitioner Program.
Terri enjoys running, traveling, and spending time with her family.
Courtney Pilnick, PA-C
Courtney Pilnick joined Greenwich Pediatrics in 2020. She graduated from Hofstra University's Northwell School of Nursing and Physician Assistant Studies with a BS/MS in Physician Assistant Studies in 2016. Since graduating, she has worked as a PA in pediatrics in both the inpatient and outpatient setting. She currently splits her time working at Greenwich Pediatric Associates and the Children’s Hospital at Montefiore in the Bronx. Courtney is nationally board certified as a Physician Assistant, is PALS and BLS certified, and is a certified Lactation Counselor.
In her free time, Courtney enjoys working out with her Peloton bike, cooking, and spending time at the beach.