Marc GreensteinDO
Obstetrics & Gynecology·Rochester, NY
Marc Greenstein, DO is an Obstetrics & Gynecology provider in Rochester, NY, as of July 2026.
- NPI1346354404
- Registered2006
- Class of1991
Case volumes, referral patterns, and payer mix live in DataLily AI Insights.
Education
Education on record as of August 2026.
Marc Greenstein at a glance
- Provider
- Marc Greenstein
- Credential
- DO
- Specialty
- Obstetrics/Gynecology
- Procedures
- Obstetrics & Gynecology CPT codes
- Location
- Rochester, NY
- Medical school
- New York College of Osteo Medicine of New York Institute of Technology
- Graduated
- 1991
- NPI registered
- 2006
- NPI
- 1346354404
- Snapshot
- July 2026
Identity, specialty, and affiliations change over time. This is not an endorsement, and not clinical, billing, or legal advice. Providers may request corrections at founders@datalilyai.com. Read the DataLily AI data methodology.
Questions
Where does Marc Greenstein practice?
Marc Greenstein, DO is based in Rochester, NY. Affiliations reflect the current DataLily AI snapshot (July 2026) and can change.
What is Marc Greenstein's NPI number?
Marc Greenstein's National Provider Identifier (NPI) is 1346354404, registered in 2006. Specialty on record: Obstetrics/Gynecology; credential DO.
Where did Marc Greenstein go to medical school?
Marc Greenstein, DO attended New York College of Osteo Medicine of New York Institute of Technology, graduating in 1991.
How many Obstetrics & Gynecology providers in New York work at ambulatory surgery centers?
238 Obstetrics & Gynecology surgeons and proceduralists in New York are affiliated with ambulatory surgery centers in DataLily AI's current snapshot, Marc Greenstein among them. The New York Obstetrics & Gynecology directory lists each one by city with credential, NPI, and center affiliations.
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