Dr. Horvitz's areas of expertise include celiac disease, malnutrition, and obesity. She is affiliated with Children's Hospital of Philadelphia (CHOP). She accepts several insurance carriers, including United Healthcare Platinum, United Healthcare Compass, and United Healthcare Navigate. She obtained her medical school training at Temple University School of Medicine and performed her residency at a hospital affiliated with Emory University. Her distinctions include: Division of GI, Hepatology, and Nutrition, Fellows Teaching Award Honor Roll; NIH Loan Repayment Program; and Travel award for AGA fellows' training conference.