Mark Hummel, MD Mark Hummel, MD, is a Pediatrician at CHOP Primary Care, Mount Laurel in Mount Laurel, NJ. Locations: Primary Care, Mount Laurel Appointments and Referrals: 1-800-TRY-CHOP (1-800-879-2467) Education and Training Medical SchoolThomas Jefferson University Medical College, Philadelphia, Pa. ResidencyMedical Center of Delaware, Wilmington, Del. FellowshipMedical Center of Delaware, Wilmington, Del. Board CertificationAmerican Board of Pediatrics Titles and Academic Titles Attending Physician