Christopher R Mascarenhas, MD

Christopher R Mascarenhas, MD Specialties: Surgery, Colon and Rectal Surgery

Christopher R Mascarenhas, MD
Specialties: Surgery, Colon and Rectal Surgery
phone icon
checkmark iconAccepting new patients


NewYork-Presbyterian Medical Group Hudson Valley - Cortlandt Manor
1980 Crompond Road
Cortlandt Manor, NY 10567

insurance iconinsurance icon
Insurances Accepted

Please contact the doctor's office to verify that your insurance is accepted.

  • 1199 National Benefit Fund
  • Affinity Health Plan
  • AgeWell
  • Amida Care
  • Anthem Blue Cross Blue Shield
  • Connecticare
  • Elderplan
  • Emblem/GHI
  • Emblem/Hip
  • Empire Blue Cross Blue Shield Healthplus
  • Empire Blue Cross/Blue Shield
  • Fidelis Care
  • Healthfirst
  • Horizon Blue Cross Blue Shield
  • Local 1199
  • Magnacare (National)
  • Medicare
  • Multiplan
  • MVP Health Care
  • Oxford Health Plans
  • RiverSpring
  • Unicare
  • UnitedHealthcare
  • WellCare

bookonline iconbookonline icon
Book Online

about iconabout icon
About Christopher R Mascarenhas, MD

Christopher Mascarenhas MD, is an Assistant Professor of Surgery. He has trained in all aspects of colon and rectal surgery. With a special interest in minimally invasive surgery, and robotic colorectal surgery . He routinely uses these techniques for a variety of different conditions.Dr. Mascarenhas has also completed advanced training in complex re-operative surgery for advanced inflammatory bowel disease, which includes ulcerative colitis and Crohn's disease. He has performed a high volume of surgeries on patients with IBD, many of whom require creation of a pouch following removal of the colon, rectum, or anus. He has a special interest in transanal minimally-invasive and transanal total mesorectal excision surgery techniques as well.Dr. Mascarenhas, sees patients at his main office at NewYork-Presbyterian/Columbia, 161 Fort Washington Avenue, 8th floor, in Manhattan. In addition to seeing patients and operating at our Main Campus, he will be available to see patients at the Division of Colon and Rectal Surgery's Hudson Valley, New York and Englewood, New Jersey offices to expand the Division's colorectal expertise at these locations.

Hospital Affiliations

  • NewYork-Presbyterian / Columbia University Irving Medical Center
  • NewYork-Presbyterian Hudson Valley Hospital


  • Abscess Drainage

  • Adhesions

  • Anal Cancer

  • Anal Fissure and Fistula

  • Anal Fistula

  • Anal Sphincter Incontinence

  • Anal Warts

  • Anorectal Disorder

  • Anorectal Surgical Procedures

  • Biofeedback Therapy

  • Botulinum Toxin (Botox Injection)

  • Bowel-Sparing Strictureplasty

  • Colectomies

  • Colitis

  • Colon and Rectal Disease

  • Colon Cancer

  • Colon Polyps

  • Colonoscopy

  • Colorectal Cancer

  • Colorectal Cancer Screening

  • Constipation

  • Crohn's Disease

  • Diagnostic and Therapeutic Colonoscopy

  • Diverticular Disease

  • Diverticulitis

  • Fecal Incontinence

  • Gastrointestinal (GI) Second Opinion

  • Genital Warts

  • Hemorrhoid Surgery

  • Hemorrhoids

  • Ileostomy

  • Inflammatory Bowel Disease (IBD)

  • Intestinal Obstruction

  • Intussusception

  • J Pouch

  • Laparoscopic Colectomy

  • Laparoscopic Colon and Rectal Surgery

  • Laparoscopic Colon Resection

  • Laparoscopic Colon Surgery

  • Laparoscopic Proctectomy

  • Megacolon

  • Minimally Invasive Colon Surgery

  • Minimally Invasive Rectal Surgery

  • Ostomy Care

  • Ostomy Creation, Care and Revision

  • Ostomy Reversals

  • Pelvic Floor Dysfunction

  • Pelvic Floor-Muscle Rehab

  • Pilonidal Cyst/Abscess

  • Rectal and Anal Surgery

  • Rectal Bleeding

  • Rectal Cancer

  • Rectal Prolapse

  • Rectovaginal Fistula Repair

  • Robotic Colon and Rectal Surgery

  • Small Bowel Cancer

  • Small Bowel Disease

  • Small Bowel Resection

  • Sphincter Saving Operations

  • Sphincter Sparing Surgery

  • Transanal Minimally Invasive Surgery (TAMIS)

  • Twisted Colon/Intestine

  • Ulcerative Colitis


  • Fellowship: Cleveland Clinic, OH
  • Fellowship: Michigan State University
  • Internship: St Johns Medical College-India
  • Medical School: St. John's Medical College
  • Residency: Grand Rapids Medical Education & Research Center
  • Residency: Michigan State University
  • Residency: University of Missouri

Board Certifications

  • Colon and Rectal Surgery
  • Surgery

awards iconawards icon

  • First rank in the University and State in M.S. General Surgery Boards. Bangalore, India. 2004
  • Certificate of Merit in Pharmacology and Microbiology. Bangalore, India. 1996