Meet the Team

Clinical Faculty

Director, Pediatric Endocrinology and Diabetes

Jose Bernardo Quintos, MD, is director of the Diabetes Outpatient Education Center and division chief of pediatric endocrinology and diabetes at Hasbro Children’s Hospital. He is a professor of pediatrics and clinician educator at The Warren Alpert Medical School of Brown University. He is board certified in pediatrics and pediatric endocrinology, and specializes in growth disorders, puberty, congenital adrenal hyperplasia, thyroid disorders, and diabetes. 

Dr. Quintos received his medical degree from the University of the East in Manila, Philippines. He went on to complete his residency at New York Medical College and Westchester Medical Center (now Maria Fareri Children’s Hospital at Westchester Medical Center) in Valhalla, New York, and a fellowship at New York Presbyterian Hospital and Weill Cornell Medical Center in New York. His research interests include congenital adrenal hyperplasia (CAH), pubertal disorders, growth hormone deficiency, thyroid disorders, and diabetes mellitus in children.

View the Brown University biography page for Dr. Quintos

Program Director, Pediatric Endocrinology

Lisa Swartz Topor, MD, MMSc, is the program director of pediatric endocrinology at Rhode Island and its Hasbro Children’s Hospital, and is an associate professor of pediatrics and teaching scholar at The Warren Alpert Medical School of Brown University. She is board certified in pediatrics and pediatric endocrinology and her clinical interests include adrenal disease, thyroid disorders and diabetes.

Dr. Topor received her medical degree from Harvard Medical School in Boston and completed her residency and fellowship at Boston Children’s Hospital. She pursued additional training in clinical investigation at Harvard Medical School and Massachusetts Institute of Technology.

View the Brown University biography page for Dr. Swartz Topor

Pediatric Endocrinologist

Meghan E. Fredette, MD, is a pediatric endocrinologist at the Pediatric Endocrinology and Diabetes Center of Hasbro Children’s Hospital and an assistant professor of pediatrics at The Warren Alpert Medical School of Brown University. Dr. Fredette earned her medical degree from the University of Connecticut School of Medicine. She completed her residency at Boston Children’s Hospital and her fellowship at Hasbro Children’s Hospital.

Dr. Fredette sees patients with a broad range of endocrine disorders, including obesity, growth, puberty and thyroid disorders. She is a member of the American Academy of Pediatrics, the Pediatric Endocrine Society, and the Endocrine Society. 

Director, Division of Genetics

Chanika Phornphutkul, MD, is the director of human genetics at Rhode Island and its Hasbro Children’s Hospital, and is an associate professor of pediatrics at The Warren Alpert Medical School of Brown University. She provides genetic risk assessment as well as counseling for patients with a family history of genetic disorders. She is board certified in pediatric endocrinology and biochemical genetics.

Dr. Phornphutkul received her medical degree from the Chiang Mai University School of Medicine in Thailand, and completed her residency at Mott Children’s Hospital in Ann Arbor, Michigan and Hasbro Children’s Hospital in Providence, Rhode Island. She completed a fellowship at Hasbro Children’s Hospital and the National Institutes of Health in Bethesda, Maryland. Her clinical and research interests focus on biochemical genetics (metabolic disorders), the application of genomic information in clinical medicine and newborn screening.

View the Brown University biography page for Chanika Phornphutkul, MD

Monica Serrano-Gonzalez, MD, is a pediatric endocrinologist at Rhode Island Hospital and its Hasbro Children’s Hospital, and an assistant professor at The Warren Alpert Medical School of Brown University. She specializes in general pediatric endocrinology and diabetes at Hasbro Children’s Hospital.

Dr. Serrano-Gonzalez’s research interests include the influences on food choice and dietary behavior in children with obesity and diabetes. Her work has been recognized in multiple publications in peer-reviewed journals, abstract and oral presentations, and a book chapter. She has received research funding grants from the Endocrine Fellows Foundation and the Diabetes and Obesity Program at Children’s Hospital Los Angeles. She is a member of the Pediatric Endocrine Society and the Society for Pediatric Research. She speaks fluent English and Spanish.

View the Brown University biography page for Dr. Serrano-Gonzalez

Clinical Staff

Jean Bisordi, BSN, RN, CDE, CDOE
Theresa Hamm, BSN, RN, CDE, CDOE
Mary Ann Johnson, RN
Jennie Melone, MA
Jessica Merksamer, MSW, LCSW
Daniel Olbrych, RD
Kristen Perrella, MS, RDN

Research Staff

Philip Gruppuso, MD

Philip Gruppuso, MD, is a professor of pediatrics at The Warren Alpert Medical School of Brown University and a professor of molecular biology, cell biology and biochemistry (research) in Brown University’s division of biology and medicine. He received his medical degree from the University of Rochester in Rochester, New York. He completed his residency in pediatrics and, subsequently, clinical training in metabolism and pediatric endocrinology at Rhode Island Hospital.

Gruppuso’s research focus is on the mechanisms that regulate somatic growth. He has had continuous funding from the U.S. National Institutes of Health since 1983 and had been a graduate program trainer at Brown University since 1995.

https://vivo.brown.edu/display/pgruppus

Jennifer A. Sanders, PhD

Jennifer A. Sanders, PhD, is an assistant professor of pediatrics at The Warren Alpert Medical School of Brown University and an assistant professor of pathology and laboratory medicine (research) in Brown University’s Division of Biology and Medicine. She received her doctoral degree in molecular biology, cell biology and biochemistry from Brown University and completed a postdoctoral fellowship in gastroenterology at Rhode Island Hospital in Providence, Rhode Island.
Sanders’s research focus is on understanding the mechanism regulating hepatic progenitor cell growth and differentiation during liver development, injury and carcinogenesis. She is a member of the Rhode Island Hospital COBRE Center for Cancer Research Development and received funding from the U.S. National Institutes of Health in 2014. She is also a graduate program trainer in the pathobiology at Brown University.

https://vivo.brown.edu/display/jasander

Joan M. Boylan
Research Lab Supervisor

Administrative Staff

Jessenia Rodriguez
Office Manager and Fellowship Coordinator
Makeba Parker
Administrative Coordinator