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Patients in Manhattan and around New York City see Dr. Alexander J. Greenstein, a general surgeon, at Icahn School of Medicine at Mount Sinai.
Practice details
- Specialty
- General surgeon
- Credentials
- MD
- Practice
- Icahn School of Medicine at Mount Sinai
- Address
- 5 E 98th St Surgery Dept, New York, NY 10029
- Phone
- (212) 241-6591
- Other locations
- 1 Gustave L Levy Pl, New York, NY 10029
- Medical school
- Weill Cornell Medical College (2003)
- Hospital affiliations
- Mount Sinai Hospital
- Medicare assignment
- Accepts
- Telehealth
- Available
- NPI number
- 1992964035
- NY license no.
- 60 233708
Medical school: Weill Cornell Medical College, class of 2003.
The office is at 5 E 98th St Surgery Dept, New York, NY 10029; the phone number on record is (212) 241-6591. A second listed location: 1 Gustave L Levy Pl, New York, NY 10029. He accepts Medicare assignment — useful to know if you are on traditional Medicare. Video (telehealth) appointments are listed as an option.
Hospital affiliations on file with Medicare: Mount Sinai Hospital.
Have you been a patient of Dr. Greenstein? A short, fair review — what went well, what didn't — helps the next person choosing a general surgeon in Manhattan.
Medicare, Medicaid and hospitals
- Medicare patients (2024)
- 115 people with traditional Medicare, average age 71
- Most common services billed to Medicare
- Drainage of abdominal abscess or infection
- Procedures on Medicare Care Compare
- Removal of tissue 1–10 procedures
- Colonoscopy 1–10 procedures
- New York Medicaid
- Enrolled fee-for-service provider since 2010. Medicaid managed-care plans keep their own networks, so check with your plan.
- Hospital pages
- Mount Sinai Hospital
Medicare figures cover people with traditional (fee-for-service) Medicare only; services billed for fewer than 11 patients are not published.
Comparing general surgeons? See 132 in Manhattan or 255 across New York City.
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Frequently Asked Questions
With Icahn School of Medicine at Mount Sinai, at 5 E 98th St Surgery Dept, New York, NY 10029.
Call the office at (212) 241-6591.
Yes — Dr. Greenstein accepts Medicare assignment, taking the Medicare-approved amount as full payment for covered services.
Mount Sinai Hospital.
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