
Dr. Alexander Greenstein, MD
Surgeon
618.2 mi · 5 E 98th St, 14th Fl, New York, NY 10029
At a glance
5.00 stars (30 reviews)
100% are satisfied with this provider ·
Accepts 17 insurances
Aetna, Affinity Health Plan, Cigna, Emblem Health, UnitedHealthcare, more+ ·
Has 20+ years of experience
Graduated from Cornell University, Doctor of Medicine
Works at Mount Sinai Hospital Surgery
5.00
30 reviews
Bedside manner
5.0
Wait time
4.0
Recent reviews
Dr. Greenatwin answered all my questions. I felt respected as a patient. Everyone in the practice was friendly and helpful. Most important let, I have recovered from major abdominal surgery due ronDr. Greenstein's excellent akills, attention, and care
More than 1 year agoSusan G.Verified patient
Office location
Mount Sinai Doctors Faculty Practice
618.2 mi · 5 E 98th St, 14th Fl, New York, NY, 10029
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In-network insurances
Aetna
Cigna
Emblem Health
UnitedHealthcare
Aetna
Cigna
Emblem Health
UnitedHealthcare
Areas of expertise
This doctor's experience enhances their expertise in similar cases. Below are the conditions or surgeries they treat most frequently.
Surgical removal of colon
Gallbladder removal
Surgical removal of colon
Gallbladder removal
More about Dr. Alexander Greenstein, MD
Not seeing any times that work for you? Please call the practice.
Dr. Alexander J. Greenstein specializes in minimally invasive gastrointestinal (stomach, small bowel, colon, gallbladder), Ulcerative Colitis and Crohn's surgery. Prior to joining our faculty, Dr. Greenstein completed a surgical residency at The Mount Sinai Hospital and a fellowship in minimally invasive surgery at the Oregon Health and Sciences University in Portland, Oregon. In addition, Dr. Greenstein completed a residency in general preventative medicine and attained a Masters in Public Health at the Mount Sinai School of Medicine. Dr. Greenstein graduated from Cornell Medical College (NY, NY) Alpha Omega Alpha after completing his bachelor’s degree in economics Cum Laude with distinction at Yale University (New Haven, CT).
Dr. Greenstein is certified by the American Board of Surgery and is a Fellow of the American College of Surgeons (FACS). He has been a first or co-author of more than 45 peer-reviewed manuscripts, has editorial responsibilities at several journals, and has presented his work at both regional and national surgical meetings. He is a recipient of the David A. Dreiling Award for Scholarly Excellence from the Mount Sinai Department of Surgery.
Dr. Greenstein is an active member of multiple surgical societies (ACS, SSAT, SAGES). His research focuses on advances and techniques in GI surgery for Crohn’s and Ulcerative Colitis and he also has research interests in health disparities, preventive medicine and the role of surgery within the public health sphere. Additional research engagements include experiences at the National Institute of Mental Health, the Memorial Sloan Kettering Medical Center and the Brazilian Ministry of Health.
Education & experience
Education
Cornell University, Doctor of Medicine
Yale University (Bachelor's)
Icahn School of Medicine at Mount Sinai, Master's in Public Health
NewYork-Presbyterian Hospital / Weill Cornell Medical Center, Residency in Surgery
The Mount Sinai Hospital, Residency in Preventive Medicine
The Mount Sinai Hospital, Residency in General Surgery
Oregon Health & Science University, Fellowship in Minimally Invasive Surgery and Laparoscopic Surgery
Practice
Certifications
American Board of Surgery
Professional memberships
American College of Surgeons
Society for Surgery of the Alimentary Tract
Society of American Gastrointestinal and Endoscopic Surgeons
Awards and publications
Alpha Omega Alpha Cornell University Honor Society
David A. Dreiling Award for Scholarly Excellence Mount Sinai Residency Program
Cum Laude with Distinction in the Major Yale University
Greenstein AJ, Zhang LP, Miller AT, Yung E, Branco BC, Sachar DB, Greenstein AJ. Relationship of the number of Crohn's strictures and strictureplasties to postoperative recurrence. Journal of the American College of Surgeons 2009 Jun; 208(6).
Widmar M, Greenstein AJ, Sachar DB, Harpaz N, Bauer JJ, Greenstein AJ. Small bowel adenocarcinoma in Crohn's disease. Journal of gastrointestinal surgery : official journal of the Society for Surgery of the Alimentary Tract 2011 May; 15(5).
Background
Languages spoken
English
French
Spanish
Gender
Male
NPI number
#1992964035
Alexander Greenstein does not participate in Zocdoc to offer online booking at this time
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Dr. Sarah Lazaros, MD
Pediatrician
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Surgeon
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Surgeon
5.002 reviews
7 mi377 Jersey Ave, Ste #440, Jersey City, NJ, 07302
Offers telehealth
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7 mi377 Jersey Ave, Ste #440, Jersey City, NJ, 07302
Offers telehealth
Patient reviews
All reviews have been submitted by patients after interacting with the practice.
Overall rating
5.00
Wait time
4.00
Bedside manner
5.00
Your trust is our top concern, so providers can't pay to alter or remove reviews. We also don't publish reviews that contain any private patient health information. Learn more here
30 reviews
Most relevant
Dr. Greenatwin answered all my questions. I felt respected as a patient. Everyone in the practice was friendly and helpful. Most important let, I have recovered from major abdominal surgery due ronDr. Greenstein's excellent akills, attention, and care
More than 1 year agoSusan G.Verified patient
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What practice does Dr. Alexander Greenstein work with?
Dr. Alexander Greenstein works with Mount Sinai Hospital Surgery.
Where is Dr. Alexander Greenstein's office located?
Dr. Alexander Greenstein's office is located at 5 E 98th St, New York, NY 10029.
Which board certifications does Dr. Alexander Greenstein have?
Dr. Alexander Greenstein is certified by American Board of Surgery.
What languages does Dr. Alexander Greenstein speak?
Dr. Alexander Greenstein speaks English, French, and Spanish.
How do patients rate Dr. Alexander Greenstein in reviews?
30 patients have reviewed Dr. Alexander Greenstein. The overall rating for this doctor is 5/5. They have a 5/5 rating for bedside manner and a 4/5 rating for wait time. You can read individual reviews and ratings on their profile.