Summary

Dr. Marc Greenwald treats hemorrhoids, anal pain, and diverticular disease, and performs sigmoidoscopy, anoscopy, and colonoscopy. He practices surgery and has 41 years of experience.

Dr. Greenwald earned his medical degree from Albert Einstein College of Medicine and completed his residency at Montefiore Medical Center. He is affiliated with Saint Francis Hospital and Heart Center and sees patients in Great Neck, New York. Patients on Vitals rate Dr. Greenwald 4.37 out of 5.

Overview based on verified provider data

Quick Facts

  • accepting new patients
  • 4.4
  • 41 years of experience
  • 30 insurance plans accepted
  • speaks English
  • Montefiore Medical Center
  • 11 written reviews
  • 2 specialties
  • 14 areas of expertise
  • 1 hospital affiliation
  • 1 office location
  • Male

Patients’ Perspective

  • Gave an accurate diagnosis
  • Had a good bedside manner
  • Spent time with me

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Marc Lehrer Greenwald, MDJin Hee (jeannie) Hee J Kim, MDAndrew J Benintende, MDBret Taback, MD
SurgerySurgerySurgerySurgery
Accepts New Patients Accepts New Patients Accepts New Patients Accepts New Patients
4.4 
4 
0 
4.4 
41 Years of Experience 23 Years of Experience 9 Years of Experience 35 Years of Experience
No Virtual Visit Option Virtual Visit Available Virtual Visit Available Virtual Visit Available
Speaks English Speaks Korean Speaks English, Spanish
Great Neck , NYNew York , NYNew York , NYNew York , NY
Med School: Albert Einstein College Of Medicine Of Yeshiva University Med School: New York University School Of Medicine Med School: Michigan State University College Of Human Medicine Med School: Tufts University School Of Medicine
Current Profile
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Insurance Plans Accepted by Marc Lehrer Greenwald

  • Accepts Medicare
  • Accepts Medicaid
  • 1199 SEIU
  • Aetna
  • Affinity by Molina Healthcare
  • AmidaCare
  • Anthem Blue Cross and Blue Shield (Empire BCBS)
  • Anthem HealthPlus
  • CenterLight
  • Cigna
  • Elderplan
  • EmblemHealth (GHI)
  • EmblemHealth (HIP)
  • EmblemHealth Insurance Company (fka HIP Insurance Company of New York) HIPIC
  • Empire BlueCross BlueShield (32BJ)
  • Hamaspik
  • Healthfirst
  • Humana
  • Humana Military (Tricare)
  • Longevity Health Plan
  • MagnaCare
  • Medicaid
  • Medicare
  • Northwell Direct
  • NYS Empire Plan (NYSHIP)
  • Oxford
  • Railroad Medicare
  • Senior Whole Health
  • United Healthcare
  • US Family Health Plan
  • VillageCareMax
  • VNS Health

Medical Specialties

Marc Lehrer Greenwald has the following 2 specialties

Specialty Expertise

Marc Lehrer Greenwald has the following 14 areas of expertise

  • Abdominal Pain
  • Banding
  • Bowel Resection
  • Colon Cancer
  • Colonoscopy
  • Colorectal Cancer
  • Colorectal Surgery
  • Diverticulitis
  • General Surgeon
  • Hemorrhoidectomy
  • Hemorrhoids
  • Laproscopic Surgery (Laparoscopy)
  • Rectal Bleeding
  • Rectal Pain

Certifications, License, & Education

41 Years Experience

Marc Lehrer Greenwald holds an expired medical license in the state of New York.

Medical License

Medical Doctor with an expired medical license in the state of New York that expired in 2026.

Education & Training

Residency

Completed their residency at Montefiore Medical Center.

Medical School

Graduated from Albert Einstein College Of Medicine Of Yeshiva University in 1985.

NPI Number

Marc Lehrer Greenwald's NPI number is 1174618557.

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Frequently Asked Questions

Is Marc Greenwald accepting new patients?
Marc Greenwald is accepting new patients on Vitals. View Marc Greenwald's profile on Vitals to make an appointment.
What languages does Marc Greenwald speak?
Marc Greenwald speaks English.
Does Marc Greenwald accept my insurance?
You can see the insurance plans that Marc Greenwald accepts on their Vitals profile.
Which hospitals is Marc Greenwald affiliated with?
Marc Greenwald is affiliated with Saint Francis Hospital And Heart Center.
Where is Marc Greenwald's office located?
Marc Greenwald's office is located at 310 E Shore Rd Ste 203, Great Neck, NY, 11023.

Data Sources

This provider profile is built using data from:

  • NPPES NPI Registry
  • State medical licensing boards
  • Healthcare system and provider network data

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