Providers: Dr. Mark Falvo & Kelly Marotta, MSN, FNP-CNP


On-site collaboration with primary care providers to provide patient appointments, screening for colonoscopies and all general surgery needs.



Born and raised in Buffalo, NY, Dr. Falvo attended UB for medical school. He went on to complete his General Surgery Residency and Colorectal Fellowship through University at Buffalo School of Medicine and Biomedical Sciences. He operates at Millard Fillmore Suburban, Buffalo General, Kenmore Mercy, Mount Saint Mary’s and Niagara Falls Memorial.


Some of Dr. Falvo's credentials include:

  • Fellowship trained in Colorectal Surgery (UB)
  • Board certified in General and Colorectal Surgery


Kelly is a Nationally-Certified Nurse Practitioner and First Assistant in Surgery. She has degrees from Plattsburgh State University, Niagara University, and completed her graduate studies at Stony Brook University. She has been practicing in Family Medicine, Hospital Medicine, Gastroenterology, and Surgery since 2001. 


Dr. Falvo treats the following:

  • Hernia (Incisional/Umbilical/Inguinal)
  • Gallbladder
  • Anorectal diseases (Rectal bleeding/Hemorrhoids/Fissures/Fistulas)
  • Colon and Rectal Disease (Diverticulitis/Diverticalosis)
  • Colon Cancer
  • Performs Colonoscopy (Screening and Diagnostic)

Clarence Office hours:  Monday by Appointment Only


Call 716-636-9004 to schedule an appointment

Learn More About Our Other Services


Office Hours
Monday - Friday
7:30 AM - 4:30 PM

Niagara County
Phone: 716-205-0170
Fax: 716-205-0818

*Limited Saturday Hours, call for appointment

Erie County
Phone: 716-261-1474
Fax: 716-261-1473