Weight Loss Surgery Care Team

The expert members of our Adolescent Weight Loss Surgery Team are leaders in the medical field and are passionate about providing the best care.

Surgeons

Matias Bruzoni

Matias Bruzoni, MD, is the surgical director of the Adolescent Weight Loss Surgery program and he is the program director for the Pediatric Fellowship program. Dr. Bruzoni is board certified in Pediatric and Adult Surgery.

Areas of Expertise: minimally invasive surgery, neonatal surgery, surgical oncology, health outcomes in the Hispanic population 

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Janey Pratt, MD, is a clinical instructor.

Areas of Expertise: minimally invasive surgery, bariatric surgery

 Stephanie Chao

Stephanie Chao, MD, is board certified in Pediatric and Adult Surgery.

Areas of Expertise: minimally invasive surgery, neonatal surgery, chest wall deformities, trauma, health outcomes in the Asian population

James Wall

James K. Wall, MD, is board certified in Pediatric and Adult Surgery.

Area of Expertise: minimally invasive surgery, neonatal surgery, medical device technology and innovation, endoscopic procedures

Bariatric Medicine

Elizabeth Shepard

Elizabeth Shepard, MD, is board certified in Pediatrics.

Areas of Expertise: obesity, clinical nutrition, environmental health

Lawrence Hammer

Lawrence Hammer, MD, serves as medical director for the Center for Healthy Weight. He is board certified in Pediatrics.

Areas of Expertise: childhood obesity, eating behavior, obesity evaluation and management

Sophia Yen, MD, is board certified in Pediatrics and Adolescent Medicine.

Areas of Expertise: childhood obesity, obesity evaluation and management

Psychologist

 Kathleen Fitzpatrick, PhD, is a child and adolescent psychologist.

Areas of Expertise: eating disorders

Nutritionists

Bryan Lian

Bryan Lian, RD, is a registered dietician.

Areas of Expertise: clinical nutrition, eating and weight disorders, adolescent weight loss surgery. health administration

Seerath Basravi, RD, registered dietician.

Areas of Expertise: clinical nutrition

Social Worker

Amy Valentine

Amy Valentine, LCSW, is a licensed clinical social worker who works in the Department of Adolescent Medicine.

Areas of Expertise: eating disorders, adolescent weight loss, adolescent gynecology

Program Coordinator

 Megan Stevens

Megan Dombrowski, NP, is a family nurse practitioner who has worked with the pediatric general surgery team for more than five years.

Area of Expertise: adolescent weight loss surgery