Jenny Joslin, MD Jenny Joslin, MD, is a Pediatrician at CHOP Primary Care, Cobbs Creek in Philadelphia, PA. Areas of Expertise: General practice Locations: Primary Care, Cobbs Creek Appointments and Referrals: 1-800-TRY-CHOP (1-800-879-2467) Education and Training Board CertificationAmerican Board of Pediatrics Titles and Academic Titles Attending physician