Summary

Dr. Alexander Greenstein is a surgeon with 23 years of experience providing comprehensive surgical care. He earned his medical degree from Weill Medical College of Cornell University and completed his residency training at Mount Sinai Hospital and New York Presbyterian Hospital-Weill Cornell Center. Dr. Greenstein is fluent in French, Spanish, and English.

Dr. Greenstein practices at The Mount Sinai Hospital in New York, NY. He specializes in treating conditions such as abdominal hernias and appendicitis, and performs procedures including gallbladder removal surgery. His expertise includes advanced surgical techniques like laparoscopic surgery and bowel resection procedures. Patients have given him an average rating of 4.6 stars.

AI-generated from data on this provider profile.

Quick Facts

  • accepting new patients
  • 4.6
  • 23 years of experience
  • 30 insurance plans accepted
  • speaks French, Spanish, English
  • Mount Sinai Hospital
  • 29 written reviews
  • 2 specialties
  • 2 areas of expertise
  • 3 board certifications
  • 1 hospital affiliation
  • 1 office location
  • Male

Office Location

Dr. Alexander J Greenstein

5 E 98th StNew York, NY 10029
Mon9:00 am - 5:00 pm
Tue9:00 am - 5:00 pm
Wed9:00 am - 5:00 pm
Thu9:00 am - 5:00 pm
Fri9:00 am - 5:00 pm
SatClosed
SunClosed

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Dr. Alexander J Greenstein, MD
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Dr. Alexander J Greenstein, MDDr. Mahmoud B. El-Tamer, MDDr. Joel A Ricci-Gorbea, MDDr. Arith Ruth Selda Reyes, MD
SurgerySurgerySurgerySurgery
Accepts New Patients Accepts New Patients Accepts New Patients Accepts New Patients
4.6 
4.2 
2.6 
23 Years of Experience 45 Years of Experience 21 Years of Experience 9 Years of Experience
No Virtual Visit Option Virtual Visit Available Virtual Visit Available Virtual Visit Available
Speaks French, Spanish, English Speaks French, Arabic, English Speaks Spanish, English
New York , NYNew York , NYFlushing , NYNew York , NY
Med School: Weill Medical College of Cornell University Med School: American University of Beirut Med School: Ponce Health Sciences University School Of Medicine Med School: Washington University In St Louis School Of Medicine
Current Profile
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Insurance Plans Accepted by Dr. Alexander J Greenstein

  • Accepts Medicare
  • Accepts Medicaid
  • 1199 SEIU
  • 32BJ Health Fund
  • AETNA - Commercial
  • AETNA - Medicare
  • Amidacare Medicaid
  • Anthem/Empire Blue Cross Blue Shield - Commercial
  • Anthem/Empire Blue Cross Blue Shield - HealthPlus Medicaid
  • Centivo
  • CIGNA Healthcare
  • Elderplan
  • EmblemHealth - GHI-PPO
  • EmblemHealth - HIP
  • EmblemHealth - HIP-Medicaid
  • EmblemHealth - HIP-Medicare
  • Fidelis Health Care
  • HealthFirst Medicaid
  • HealthFirst Medicare
  • Horizon NJ
  • Magnacare-Health Care
  • Medicare - NJ
  • Medicare - NY
  • Metroplus
  • Multiplan PHCS
  • NJ Medicaid
  • NY Medicaid
  • Oscar
  • Oxford - Freedom and Liberty
  • United Health Care - Commercial
  • United Health Care - Empire Plan
  • United Health Care - Oxford Care

Medical Specialties

Dr. Alexander J Greenstein has the following 2 specialties

Specialty Expertise

Dr. Alexander J Greenstein has the following 2 areas of expertise

  • General Surgeon
  • Laparoscopic Surgery (Laparoscopy)

Certifications, License, & Education

23 Years Experience

MEDICAL LICENSE

Medical Doctor, New York, 2026, Active

EDUCATION & TRAINING

Residency

Mount Sinai Hospital2009
Mount Sinai Hospital2007
New York Presbyterian Hospital-Weill Cornell Center2005

Medical School

Weill Medical College of Cornell UniversityGraduated in 2003

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Frequently Asked Questions

Is Dr. Alexander Greenstein accepting new patients?
Dr. Alexander Greenstein is accepting new patients on Vitals. View Dr. Alexander Greenstein's profile on Vitals to make an appointment.
Does Dr. Alexander Greenstein accept my insurance?
You can see the insurance plans that Dr. Alexander Greenstein accepts on their Vitals profile.
How can I make an appointment with Dr. Alexander Greenstein?
You can find contact information for Dr. Alexander Greenstein here on Vitals.
What languages does Dr. Alexander Greenstein speak?
Dr. Alexander Greenstein speaks French, Spanish, and English.
Which hospitals is Dr. Alexander Greenstein affiliated with?
Dr. Alexander Greenstein is affiliated with The Mount Sinai Hospital.

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