Our Expert Physicians
Winchester Hospital's Center for Cancer Care is defined by clinical leadership in multi-disciplinary areas of cancer diagnosis: breast, lung (thoracic), prostate, GYN, colorectal, Physician leaders collaborate to assure each patient's care aligns superior, coordinated care along the treatment spectrum – from surgical oncology through medical oncology and radiation therapy.
Dennis Begos, MD, is a pioneer in minimally invasive colon surgery, one of the first in New England to use minimally invasive surgery for colon cancer. Dr. Begos is board certified in both general surgery and colon & rectal surgery. In addition to colo-rectal cancer, Dr. Begos' clinical expertise includes hernia repair, inflammatory bowel disease and laparoscopic colon surgery. Dr. Begos attended medical school at New York College and completed his residency and internship at Yale-New Haven Hospital. He earned a fellowship at Cleveland Clinic.
Peter Tiffany, MD, is a leader in the treatment of urologic conditions, particularly in the area of urologic cancer. Dr. Tiffany received his medical degree from the University of Virginia. He completed his residency at New York Hospital Cornell Medical Center, and Memorial Sloan-Kettering Cancer Center. He is board certified in urology and is an assistant clinical professor of urology at Tufts Medical Center. Dr. Tiffany specializes in the treatment of many urologic conditions including urologic cancer (using the daVinci robotic surgical system) and male infertility.
Additional experts include:
Medical Oncology
- Stephanie Bernstein, MD
- Barbara Bjornson, MD
- Beverly Bowker, MD
- Nancy Chun, MD
- Alan Edelstein, MD
- Daniel Finger, MD
- Chitra King, MD
Radiation Oncology
- Bruce Bornstein, MD
- Catharine Kim, MD
Surgical Oncology
- Darius Ameri, MD, General
- Limaris Barrios, MD, General
- William Breckwoldt, MD, General
- Patrick Brophy, MD, General
- Judith Carpentier, MD, Gynecology
- Kelley Cornell, MD, Breast
- Martha Dyer, MD, Urology
- Nayomi Edirisinghe, MD, Breast
- Arlan Fuller, MD, Gynecologic Oncology
- Harris Gibson, MD, Thoracic
- Arthur Little, MD, Urology
- Ronald Nath, MD, General
- Marta Quijano, MD, Breast
- Shalini Reddy, MD, Thoracic
- Jerry Rittenhouse, MD, Urology
- Loyde Romero, MD, Thoracic
- Andras Sandor, MD, General
- Joshua Stern, MD, Urology
- Reena Tahilramani, MD, General
- Frank Waddell, MD, OB/GYN