Dr. Rivadeneira and his practice treats the full range of diseases and conditions of the small bowel, colon, rectum and anus, including colon, rectal and anal cancer, diverticulitis, familial polyposis, chronic ulcerative colitis, Crohn’s disease, ileoanal reservoir (J-pouch), colon polyps, incontinence, rectal prolapse, anorectal abscess, fistulas, fissures and hemorrhoids. Dr. Rivadeneira specializes in the use of laparoscopic minimally invasive surgery and other minimally invasive procedures for the treatment of colorectal diseases, including cancer.
- Anal Abscess/Fistula
- Anal Cancer
- Anal Fissure
- Anal Warts
- Bowel Incontinence
- Colonoscopy
- Colorectal Cancer
- Constipation
- Crohn’s Disease
- Diverticular Disease
- Hemorrhoids
- Irritable Bowel Syndrome
- Laparoscopic Surgery
- Pelvic Floor Dysfunction
- Pilonidal Disease
- Polyps of the Colon and Rectum
- Pruritus Ani
- Rectal Prolapse
- Rectocele
- Ulcerative Colitis
Contact David E. Rivadeneira, MD, FACS, FASCRS
Phone: (631) 470-1450 • Fax: (631) 470-1451
Smithtown Office
222 Middle Country Road, Suite 211 • Smithtown, NY 11787
Monday-Friday, 8am-5pm (Extended Hours Available)
Map/Directions
Port Jefferson Office
931 Hallock Road • Port Jefferson NY 11777
Monday-Friday, 8am-5pm (Extended Hours Available)
Map/Directions
Babylon Office
400 West Main Street, Suite 301 • Babylon, NY 11702
Monday-Friday, 8am-5pm (Extended Hours Available)
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Riverhead Office
31 Main Road, 2nd Floor • Riverhead, New York 11901
Monday-Friday, 8am-5pm (Extended Hours Available)
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Woodbury Office
321-B Crossways Park Drive • Woodbury, New York 11797
Monday-Friday, 8am-5pm (Extended Hours Available)
Map/Directions