Our Team

Donald N. Tschan Jr. MD
Donald N. Tschan Jr. MDDr. Tschan specializes in family medicine at Riverside Gloucester Family Practice and treats adults and children over the age of one. He graduated from Temple University School of Medicine and completed his residency at Riverside Hospital.

Recognizing the need for primary care doctors, he chose family medicine. He enjoys the broad spectrum of illness and conditions he is able to treat and has especially enjoyed the many years that he has practiced medicine in Gloucester.

Dr. Tschan has two children and two grandchildren. He enjoys sailing, golf and playing the piano in his spare time.


Francisco X. Valls, MD
Dr. VallsDr. Valls graduated from Francisco Marroquin University and completed his residency at Berkshire Medical Center. He is board-certified by the American Board of Internal Medicine.


Peter Zullo, MD
Dr. ZulloDr. Zullo graduated from Georgetown University School of Medicine and completed his residency at Albany Medical Center. He is board-certified by the American Board of Internal Medicine. Dr. Zullo chose internal medicine as his specialty because it allows him to provide for all the health needs of his patients. He enjoys working in Gloucester because he can take the time to get to know each patient on a personal level.