Adolescent Medicine | Current Fellows

First Year Fellows

Jessica Calihan, MD, MS
Jessie grew up in Rochester, NY and attended college at Brown University, where she was an American History major. She attended Columbia College of Physicians & Surgeons for medical school before completing the Internal Medicine-Pediatrics Urban Health Residency Program at Johns Hopkins Hospital. Last year, Jessie was an addiction medicine fellow with the Boston Children’s ASAP program. In her spare time, she enjoys spending time with her fiancé and new puppy Beacon and finding new places to hike, run, or ski.



Candice Mazon, MD
Born in the Philippines and raised in New Jersey, Candice has stayed loyal to the east coast – at Rutgers University for undergrad, at Drexel University for medical school in Philadelphia, at Georgetown University/MGUH for residency in DC, and now Boston for fellowship! Her academic interests include health justice, social determinants of health, and caring for vulnerable youth. Outside of work, she loves to travel (visited 5 countries during residency!), find new restaurants to try, do something creative, and explore the city with her fiancé and her dog.



Roxanne Rengifo, MD, MSc
Roxanne was born and raised in Somerset, New Jersey and received her undergraduate degree at Rutgers University in New Brunswick. She attended medical school at St. George’s University, where she was able to train in the UK and completed her residency in Family Medicine at Hoboken, NY. She became interested in Adolescent Medicine through her work in HIV/STD counseling where she worked with at risk youth in STD prevention and testing. Adolescent medicine topics she is interested in include contraception, sexual health, and mental health management. Roxanne enjoys traveling, trying different cuisines and spending time with her family and dog.


Second Year Fellows

Katelin Blackburn, MD
Katelin was born in Buffalo, New York, but has called Boston home now for the past 11 years, having completed her undergraduate degree and medical school at Boston University. Her academic interests are advocacy based and include working to decrease the incidence of teen dating violence, and delivery of pediatric focused behavioral and mental healthcare training to residents and medical students, including a passion for teaching motivational interviewing. Personally, she enjoys bicycle riding, doing yoga, and taking her dog for long walks around the city. She looks forward to continuing to gain skills during fellowship in clinically caring for adolescent’s varied and unique needs, honing qualitative research skills, and learning more about engaging with community partners to innovatively deliver healthcare.


Tonya Lemonious, MD
Tonya is originally from Brooklyn, NY. She received her psychobiology degree at SUNY Binghamton University and made her way further upstate to Buffalo, NY for medical school and pediatric residency training. Tonya completed her training in Buffalo, as a chief resident where she focused on improving and establishing the pediatric residency’s advocacy curriculum, helped to create and introduce anti-racism education for the pediatric residents and served as a member of the Diversity, Inclusion and Learning Environment Committee for the Jacobs School of Medicine and Biomedical Sciences. Adolescent topics she most enjoys include reproductive health, STI counseling/prevention, teen pregnancy prevention, and mental health management. Tonya also has a passion for working with at risk youth. Last, but not least, Tonya loves to take dance classes to stay active while still having fun.

Third Year Fellows

Amanda Bryson, MD
Amanda is a Massachusetts native (Medway, MA) and received her undergraduate degree in Biology and Spanish language at the University of Maryland. She attended medical school at Penn State College of Medicine, where she became interested in Adolescent Medicine through her research in eating disorders. Amanda returned to MA for residency in Pediatrics, which she completed in the Boston Combined Residency Program (at BCH and BMC). Within Adolescent Medicine, Amanda is interested in contraceptive care, reproductive justice, sexual health, and reproductive endocrinology. Outside of work, she loves to ride horses and travel.​


Susan Wiener, MD
Susan is originally from Rochester, NY. She graduated with a B.S. in Biology from Haverford College and went on to attend medical school at the Perelman School of Medicine at the University of Pennsylvania. She completed her Pediatrics residency at the Children’s Hospital of Pittsburgh, where she co-developed a curriculum for training residents to perform comprehensive pregnancy options counseling for adolescent patients. She has long had a passion for working with adolescents and is particularly interested in adolescent mental health and sexual health. Her research and clinical interests include fostering resilience among youth exposed to trauma as well as improving adolescents’ access to and experiences with sexual/reproductive healthcare. Her fellowship research is focused on adolescent survivors of sexual violence. When not at work, Susan enjoys exploring Boston, hiking, eating her husband’s delicious cooking, and traveling.