Mary Kline, MD Mary Kline, MD, is a Pediatrician at CHOP Primary Care, Chestnut Hill in Philadelphia, PA. Areas of Expertise: Adolescent medicine Locations: Primary Care, Chestnut Hill Appointments and Referrals: 1-800-TRY-CHOP (1-800-879-2467) Education and Training Medical SchoolMCP/Hahnemann, Drexel University School of Medicine, Philadelphia, Pa. ResidencySt. Christopher's Hospital for Children, Philadelphia, Pa. Board CertificationAmerican Board of PediatricsGraduate DegreeSlippery Rock University, Slippery Rock, Pa. Titles and Academic Titles Pediatrician Departments and Services Gender and Sexuality Development Clinic Patient Experience Ratings About the Patient Experience Rating System The Patient Experience Rating is an average of all responses to the care provider related questions shown below from our nationally-recognized Press Ganey Patient Satisfaction Survey. Patients that are treated in outpatient or hospital environments may receive different surveys, and the volume of responses will vary by question. Responses are measured on a scale of 1 to 5 with 5 being the best score. The comments are submitted by patients and families and reflect their views and opinions. The comments are not endorsed by and do not reflect the views of Children’s Hospital of Philadelphia.