Alissa J. Mark

Alissa J. Mark, MD

4.9 rating based on 85 ratings
(4.9/5 stars) 85 Reviews | 8 Comments
  • Purchase 3030 Westchester Avenue, Purchase, NY 10577-2510
  • (914) 682-6466
  • (914) 681-5222

About the Provider

Dr. Mark is board certified in internal medicine and gastroenterology by the American Board of Internal Medicine. She completed her undergraduate studies at the University of Michigan, and was awarded her medical degree from Temple University in Philadelphia. She went on to do her internal medicine residency training at Montefiore Medical Center and completed a gastroenterology fellowship at Stony Brook University Hospital.

Areas of clinical interest and expertise for Dr. Mark include reflux, inflammatory bowel disease, irritable bowel syndrome, colon cancer screening and surveillance. She performs upper endoscopies, colonoscopies and dilation of strictures. She is affiliated with White Plains Hospital and Greenwich Hospital.

Medical School
Temple University School of Medicine
Degree: Doctor of Medicine
Montefiore Medical Center
SUNY at Stony Brook University Hospital
Board Certification
Internal Medicine
Hospital Affiliation
Greenwich Hospital
White Plains Hospital

Office Location (1)

  • Purchase
    3030 Westchester Avenue
    Purchase, NY 10577-2510
    Ph: (914) 682-6466
    Fax: (914) 681-5222


Dr. Mark is thorough with her testing.
October 31, 2017
*Dr. Mark was extremely caring & informative & helpful.
October 6, 2017
Dr Mark spent a lot of time with me, explained things and was very good with recommending other drs to see about my health. we were very impressed.
July 31, 2017
I am very pleased with *Dr. Marks. She is professional and knowledgeable and has a wonderful bedside manner. She lets you feel completely comfortable. I recommend her to everyone I know.
June 22, 2017
although the error at the check in desk caused a 25 minute delay, Dr Mark answered all my questions in a patient, kind and understanding manner. She was very apologetic for my wait time even though it was not caused by her or the drs staff
June 6, 2017
*Dr. Mark was very informative, capable & easy to talk to. I have recommended her to many people.
March 7, 2017
Took more than enough time - showed concern.
February 22, 2017
February 16, 2017