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Dr. Alexander J. Greenstein, MD

General Surgery

Dr. Greenstein's Overview

Dr. Alexander J. Greenstein graduated from the Cornell University Weill Medical College in 2003. He works in New York, NY and specializes in General Surgery and Colon & Rectal Surgery. Dr. Greenstein is affiliated with Mount Sinai Medical Center.

Dr. Greenstein's Experience

Years in Practice: 12

Dr. Greenstein's Specialties

General Surgery, Colon & Rectal Surgery

Dr. Greenstein's Education & Training

Medical School: Cornell University Weill Medical College; Graduated 2003

Dr. Greenstein's Rating

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Overall Rating


  • Explains conditions & treatments
  • Takes time to answer my questions
  • Provides follow-up as needed
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Dr. Greenstein's Accepted Insurance

  • Aetna Choice POS II
  • Aetna HMO
  • Aetna Managed Choice POS Open Access
  • Aetna Select
  • Aetna Signature Administrators PPO
  • BCBS Blue Card PPO
  • CIGNA Open Access Plus
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Dr. Greenstein's Office Information & Appointments

Office Locations

Mt Sinai Surgical Associates Faculty Practice

5 E 98th St # 1259
New York, NY 10029
(212) 241-1941


Office Hours and Information

Fax: (212) 410-0111

Practice Website: Not Available

Accepting New Patients: Yes

Medicare Accepted: Yes

Medicaid Accepted: Yes

Monday 9:00 AM - 5:00 PM
Tuesday 9:00 AM - 5:00 PM
Wednesday 9:00 AM - 5:00 PM
Thursday 9:00 AM - 5:00 PM
Friday 9:00 AM - 5:00 PM
Saturday Closed
Sunday Closed

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Dr. Greenstein's Hospital Affiliations

Office Locations

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