Dr. Ruthee-Lu Bayer, MD is accepting new patients on Healthline FindCare. You can check to see if Dr. Bayer is offering online scheduling or call the provider’s office for more information.

Dr. Ruthee-Lu Bayer, MD
Overview of Dr. Ruthee-Lu Bayer, MD
Dr. Ruthee-Lu Bayer, MD is an Oncology Specialist in Manhasset, NY. They specialize in Oncology, has 31 years of experience, and is board certified in Internal Medicine. They graduated from NEW YORK MEDICAL COLLEGE and is affiliated with Long Island Jewish Medical Center and North Shore University Hospital.
Dr. Bayer works at

Dr. Bayer's Office Locations
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NSUH-Dept of Med/Hemotology/Oncology300 Community Dr, Manhasset, NY 11030 Directions (516) 734-8973Monday8:00am - 4:00pmTuesday8:00am - 4:00pmWednesday8:00am - 4:00pmThursday8:00am - 4:00pmFriday8:00am - 4:00pm
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The Monter Cancer Center450 Lakeville Rd, New Hyde Park, NY 11042 Directions (516) 734-8874
Hospital Affiliations
- Long Island Jewish Medical Center
- North Shore University Hospital
Experience & Treatment Frequency
View All Accepted Carriers
- Aetna
- Cigna
- First Health
- Harvard Pilgrim Health Care
- Healthfirst
- Humana
- MVP Health Care
- Oxford Health Plans
- UnitedHealthCare
* Please verify this information when scheduling an appointment.
Ratings & Reviews
How was your appointment with Dr. Bayer?
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!
About Dr. Ruthee-Lu Bayer, MD
- Oncology
- 31 years of experience
- English
- 1215082961
Education & Certifications
- North Shore University Hospital
- NSLIJHS/Hofstra North Shore-LIJ School of Medicine at North Shore University Hospital Program
- NEW YORK MEDICAL COLLEGE
- Internal Medicine
Frequently Asked Questions
Dr. Bayer has an average wait time of 16 – 30 minutes at their office(s).
Dr. Bayer accepts Aetna, Cigna and Humana, and other major insurance plans. Please call ahead to confirm all accepted insurance plans.
Dr. Bayer has indicated that they do offer telehealth services. Please call the provider’s office at for more information.
Dr. Bayer works at
Dr. Bayer has seen patients for Hodgkin's Disease, Acute Leukemia and Osteosarcoma, and more. You can see other conditions treated by Dr. Bayer on their profile. Please call the provider’s office to confirm all visit reasons.
16 patients have reviewed Dr. Bayer. The overall rating for this provider is 4.5. You can read verified reviews and ratings and leave your own review based on your experience with Dr. Bayer.
Whether a person prefers to schedule an appointment online or over the phone with Dr. Bayer, there are benefits to both methods. A person calling to schedule an with Dr. Bayer appointment can ask questions about the practice, provider availability, conditions treated, procedures performed, and if their insurance carrier is accepted. While online scheduling is quicker, easier, allows one to view a wide range of appointment times, and may provide the ability to sync with a personal calendar.