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Languages: English, Hebrew, Yiddish

Dr. Avi Retter

Medical Oncology & Hematology

Dr. Retter is a physician at the Eastchester Center for Cancer Care, a division of New York Cancer & Blood Specialists. He is an accomplished oncologist and hematologist with numerous publications, his most recent regarding his work with prostate cancer and antiangiogenesis. Dr. Retter brings his clinical research expertise to expand Eastchester Center for Cancer Care, a division of New York Cancer & Blood Specialists, and use that expertise to expand the clinical research infrastructure. Dr. Retter earned his medical degree from the Albert Einstein College of Medicine in 1999 and performed his residency training at Temple University Hospital in Philadelphia, PA and completed a combined Hematology/Oncology fellowship at the National Cancer Institute in Bethesda, Maryland.

Credentials:  MD
Education & Training
   FACP:    National Cancer Institute, National Institutes of Health
    Residency:    Fox Chase Cancer Center, Temple University Hospital
    Medical School:    Albert Einstein College of Medicine
    College:    City University of New York at Brooklyn College


Montefiore Medical Center

Patient Reviews

  • "I had a colonoscopy on 10/17 and a cancerous mass was found. A call was made to Dr. Retter's office that day, and I received a call on Monday, 10/20 and was seen by Dr. Retter on 10/23. Everyone at the office was wonderful and kind. Dr. Retter and his PA Jenny made me feel safe and calm. From the folks at the front desk, to the lab techs and nurses, I couldn't have asked for a better first visit. I trust that they will manage my care and that I am safe in their hands."
      from Martha 5.0 Stars - (2025-10-24)
  • "As always, this office is well attended. I did not realize, my appt was on another day.....they accommodated me and i am so grateful. Thank you."
      from Isabel 5.0 Stars - (2025-10-21)
  • "Dr. Retter and his team are great; caring considerate and thorough. My only issue with them is that if I don’t schedule my follow up visits they just put a date/time on their schedule without telling me! I find out about those appointments when I get the automated reminder texts. But they are good about rescheduling if the times they pick don’t work for me."
      from Kathy 4.0 Stars - (2025-10-20)
  • "He is amazing physician I have ever seen, I had alpha thelasemia they treated good, now I am fine. Thanks to Dr Retter for doing good deeds for people."
      from Begum 5.0 Stars - (2025-10-19)
  • "Nice experience-:)"
      from George 5.0 Stars - (2025-10-17)
  • "Best doctor. Very professional and attentive to detail."
      from Irina 5.0 Stars - (2025-10-03)
  • "Good. Evening. Peace. And. Blessings. It's. A. Pleasure. To. Be. A. Patient. Of. Dr. Retter. And. Dr. Jennifer. They. Take. Great. Care. Of. My. Medical. Needs. I. Feel. Very. Comfortable. There. Also. Ms. Dawn. The. Receptionist. Is. A. Beautiful. Person. Inside. And. Outside. She. Goes. Above. And. Beyond. To. Take. Care. Of. My. Appointments. And. Will. Stay. In. Touch. If. You. Miss. A. Visit. And. New. Worker. Mr. Joe. As. Well. I. Look. Forward. To. My. Next. Appointment. I. Appreciate. All. The. Team. Does. Much. Love. And. Respect. God. Bless."
      from Tyrone 5.0 Stars - (2025-10-02)
  • "I love it dr. Retter is an amazing doctor as well as his staff"
      from Aileen 5.0 Stars - (2025-10-02)
  • "I was disappointed with not seeing Dr. Retter, but the Nurse Practitioner was both empathetic and professional! A great visit as usual."
      from Rraine 5.0 Stars - (2025-09-24)
  • "For as long as I've been seeing Dr. Retter I have never left his office unsatisfied with the care he provides, as well as his assistant, Nurse Practioner, Jennifer and front desk staff. Thank you 😊 🙏"
      from R 5.0 Stars - (2025-09-20)