William Montesano, MD

Practicing since 2004

Dr. Montesano takes a special interest in emergency medical services (EMS) and has served as an EMT, Paramedic, and volunteer firefighter in Western New York. During the Bosnian Conflict, he volunteered with NATO & the UN to help refugees and assist during military air medical evacuations. For his efforts, he was awarded the Air Command Commander’s Commendation by the Canadian Ambassador to Italy.

He is currently the Advanced Life Support Medical Associate Director for Victor-Farmington Ambulance, Medical Director of  Naples Ambulance and Victor Fire Department. He also serves on the Finger Lakes Emergency Medical Services council.

Dr. Montesano and his wife, Mary Beth, reside in Victor with their dog, Duncan.


BA in Biology – SUNY at Buffalo
MS - SUNY at Buffalo (Roswell Park Cancer Institute)
Doctorate of Medicine – University of Ancona, Italy
Residency – Niagara Falls Memorial Medical Center

Denise Giblin, FNPC

Practicing since 1998

Denise Giblin, NP has been a nurse practitioner since 1998 and a registered nurse since 1988.

She comes to use with extensive experience in family, internal, and industrial medicine, having practiced in small private practice, hospital, and employee healthcare corporate settings.

Denise grew up in Johnson City, NY and moved to Rochester in 1989 to pursue her education and career in nursing.   She is active in her community, teaching religious studies on the weekend.  She enjoys spending time with her family and their yellow lab Molly.

Denise and her family reside in Irondequoit.


AASN - Broome Community College
BSN - SUNY Brockport
MSN – St. John Fisher College


Anthony Ragusa, MD

Our founding physician

Dr. Ragusa founded Greater Rochester Internal Medicine in 1996 and proudly served his patients there for over 20 years. After much consideration, Dr. Ragusa chose to shift the path of his practice and accepted the honor of being selected as an MDVIP physician. The MDVIP model of medical practice allows him to continue caring for patients that desire a deeper level of personal care, and is conveniently located across the hall from the GR Internal Medicine offices. Find out more about MDVIP here.