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Dr. Ruthee-Lu Bayer, MD

Dr. Ruthee-Lu Bayer, MD

Age 56 Oncology F
(16) 16 reviews
Accepting New Patients


Dr. Ruthee-Lu Bayer, MD is an Oncology Specialist in Manhasset, NY. Dr. Bayer completed a residency at NSLIJHS/Hofstra North Shore-LIJ School of Medicine at North Shore University Hospital Program. They currently practice at NSUH-Dept of Med/Hemotology/Oncology and are affiliated with North Shore University Hospital and Long Island Jewish Medical Center. Dr. Bayer is board certified in Internal Medicine and accepts accepts multiple insurance plans.


  • NEW YORK MEDICAL COLLEGE, Medical School — 1992
  • NSLIJHS/Hofstra North Shore-LIJ School of Medicine at North Shore University Hospital Program, Residency Hospital
  • North Shore University Hospital, Fellowship Hospital

Insurance Accepted

  • Aetna
  • Affinity Health Plan
  • Anthem
  • Arise Health Plan
  • Assurant Health
  • AvMed
  • Cigna
  • Coventry Health Care
  • EmblemHealth
  • Health Net
  • HealthPartners
  • HealthSmart
  • Humana
  • MagnaCare
  • Medica
  • MVP Health Care
  • Oxford Health Plans
  • Paramount
  • PreferredOne
  • Priority Health
  • Rocky Mountain Health Plans
  • SummaCare
  • UnitedHealthCare

* Please verify this information when scheduling an appointment.

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May 13, 2021
At the outset, it's incumbent upon me to protest that I'm limited to five stars because Dr. Bayer deserves 10+. Dr. Bayer treated me from 1999-2001 for relapsed acute myelogenous leukemia. I was heartbroken, despondent, angry, and uncooperative. I clearly told her that I simply wanted to live to see the year 2000. I was a divorced, custodial parent, and NOTHING meant more to me than my two Preciouses. Nonetheless, I was adamant that I was not going to submit to induction and consolidation chemotherapy again. Dr. Bayer very cleverly and skillfully shepherded me through my emotionality, prepared me for the autologous stem cell transplant that cured my cancer, and cared for me post-transplant. On one occasion, she threw an IV line over her office door, had me sit in a chair, and she personally administered blood products to me because the nursing staff had gone home by the time I decided to present myself for care. She then drove over an hour to get home. This woman is a brilliant saint!
Eric R. Wilson — May 13, 2021
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Frequently Asked Questions

Find contact information here to make an appointment.

A list of accepted insurance providers is available on the Sharecare insurance check. It is always a good idea to verify your insurance when making an appointment.

New patients are generally accepted by Dr. Ruthee-Lu Bayer, MD. To arrange an appointment, call the number on Dr. Bayer's profile.

Dr. Bayer frequently treats the following conditions: Hodgkin's Disease, Acute Leukemia and Osteosarcoma. See more on Sharecare.

Dr. Ruthee-Lu Bayer, MD is affiliated with North Shore University Hospital and Long Island Jewish Medical Center.

Yes, Dr. Ruthee-Lu Bayer, MD holds board certification in Internal Medicine.

Hospital Affiliations

  • North Shore University Hospital
  • Long Island Jewish Medical Center


  1. NSUH-Dept of Med/Hemotology/Oncology

    1. 1
      NSUH-Dept of Med/Hemotology/Oncology
      300 Community Dr, Manhasset, NY 11030 Existing Patients: (516) 734-8973
  1. The Monter Cancer Center

    1. 2
      The Monter Cancer Center
      450 Lakeville Rd, New Hyde Park, NY 11042 Existing Patients: (516) 734-8874