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Obstetrician & Gynecologist (OB/GYN)
20 years of experience
Accepting new patients
License & Identifications

A medical license is required for a doctor to practice medicine in a particular state. Requirements vary by state but most require, at a minimum, post-graduate training in the doctor’s specific specialty. An NPI number is a national identifier unique to an individual health care provider and is managed by the Center for Medicare & Medicaid Services (CMS).

Patient Reviews

Patient comments (1)

The overall average patient rating of Dr. Marc Greenstein is Good. Dr. Greenstein has been reviewed by 2 patients who have provided 1 comments. The rating is 2.5 out of 4 stars.

Patient Ratings
Ease of Appointment 4.0
Promptness 4.0
Courteous Staff 4.0
Accurate Diagnosis 4.0
Bedside Manner 4.0
Spends Time with Me 4.0
Follows Up After Visit 4.0

Specialties & Research

Dr. Marc Greenstein, DO is board certified in Obstetrics & Gynecology.

  • He has special expertise in 3 areas:
  • C-Section (Cesarean Section)
  • Hot Flashes
  • Menopause

Education & Awards

Dr. Greenstein graduated from New York Institute of Technology, Old Westbury.


Dr. Greenstein has 10 hospital affiliations:

  • North Shore University Hospital At Syosset 
  • Winthrop University Hospital 


  • Italian
  • Spanish
  • French

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Additional Information
Dr. Marc Scott Greenstein DO is a male Obstetrician & Gynecologist, has 20 years of experience and practices in Obstetrics & Gynecology.
Where does Dr. Marc S. Greenstein practice?
Dr. Marc Greenstein has 5 office locations.
Dr. Marc Greenstein practices Obstetrics & Gynecology near Rochester, NY.
Additional practice locations include: Webster, NY and East Northport, NY.
See Rochester Obstetricians & Gynecologists.