History
Presidio Surgical Group was established in 1998 in order to serve the surgical needs on the Northwest sid
e of Tucson and outlying areas. The physicians all have privileges at Northwest Medical Center and Northwest Medical Center Oro Valley. The surgeons at Presidio Surgical are all board certified general surgeons and have expertise and special training in minimally invasive laparoscopic procedures. The physicians and staff take pride in the personal care that is given to each patient and their families. We have bilingual staff members and we accept most insurance plans including AHCCCS.

Most common procedures
Colon, Thyroid, Gallbladder, Hernia, Breast/Sentinel Lymph Node Biopsy.

From bottom clockwise: Dr. W. Richard Carnahan;
Dr. Stuart I. Melcer; Dr. Howard M. Comstock
and Dr. Jenelle L. Olson