Dr. Halleran attended Columbia University College of Physicians and Surgeons and graduated in 1977 (45 years ago). Columbia University College of Physicians and Surgeons is a top-ranked medical school, and is ranked #3 in Best Medical Schools by U.S. News.
Dr. Halleran works at Colon Rectal Associates of Cny, LLP, which has 7 other health providers.
Dr. Halleran is affiliated with the following hospitals.
As a colorectal surgery and general surgery, Dr. Halleran may see patients with the following conditions. Please check with Dr. Halleran what conditions he treats. Dr. Halleran may treat additional conditions not listed.
Dr. Halleran is a colorectal surgery and general surgery. His primary specialty is colorectal surgery.
Providers chosen based on Dr. Halleran's location and specialties.