Quick answers
- Which hospitals does Ruthee Lu Bayer work at?
- Medicare's official clinician data lists Ruthee Lu Bayer at 2 hospitals: Long Island Jewish Medical Center and North Shore University Hospital. This is where the clinician works or has privileges; call the hospital to confirm.
- Where does Ruthee Lu Bayer see patients?
- Medicare's clinician data lists 5 practice locations, including New Hyde Park, NY, Manhasset, NY and Rego Park, NY. Call before your visit to confirm the address.
- What is Ruthee Lu Bayer's specialty?
- Medicare lists Medical Oncology as the primary specialty, and also Hematology.
- Does Ruthee Lu Bayer accept Medicare assignment?
- Yes. Medicare's clinician data says Ruthee Lu Bayer accepts Medicare assignment (the Medicare-approved amount as full payment for covered services), as of 2026-10-02. Ask the office to confirm before your visit.
- Does Ruthee Lu Bayer offer telehealth?
- Medicare's clinician data says Ruthee Lu Bayer offers telehealth services. Ask the office which visits can be done by video or phone.
- What is the phone number for Ruthee Lu Bayer?
- (718) 470-4449, as listed in official Medicare / NPI Registry data.
- What is Ruthee Lu Bayer's NPI number?
- 1215082961. The NPI (National Provider Identifier) is the clinician's permanent federal ID; you can look it up in the official NPI Registry.
Hospitals where Ruthee Lu Bayer works
Medicare's Facility Affiliation Data lists Ruthee Lu Bayer at these hospitals (updated 2026-10-02). Each hospital page shows its address, phone, emergency services, Medicare rating and all its clinicians.
- Long Island Jewish Medical CenterNew Hyde Park, NY · Acute Care Hospital · CCN 330195
- North Shore University HospitalManhasset, NY · Acute Care Hospital · CCN 330106
Practice locations
Addresses where Ruthee Lu Bayer is enrolled with Medicare (CMS data updated 2026-10-02).
- 27005 75th AveNew Hyde Park, NY 11040 (718) 470‑4449
- 300 Community DrManhasset, NY 11030 (516) 734‑8900
- 330 Community DrManhasset, NY 11030 (516) 562‑8005
- 450 Lakeville RdNew Hyde Park, NY 11042 (516) 734‑8900
- 9525 Queens Boluevard, 2nd Floor Suite BRego Park, NY 11374 (718) 925‑6200
Group practices
Medicare enrollment lists Ruthee Lu Bayer as a member of this group (CMS data updated 2026-10-02).
- North Shore Health System Medical Faculty Group Practice Inc164 clinicians in the group
Specialties
- Medical Oncologyprimary
- Hematologyalso
Other oncologists in New Hyde Park
Clinicians with the same Medicare primary specialty in New Hyde Park, NY — not a recommendation.
Clinician information
| Credential | MD |
|---|---|
| Medical school | New York Medical College |
| Graduation year | 1992 |
| Gender (as listed) | Female |
| Medicare assignment | Accepts (Medicare-approved amount as full payment) |
| Telehealth | Offers telehealth services |
| NPI (National Provider Identifier) | 1215082961 |
| Corrections | Report an error or suggest an update → |
Most corrections must be made at the source: clinicians update their NPI Registry record (NPPES) and their Medicare enrollment (PECOS); this page follows the next data release.
Sources
- Facility Affiliation Data — Centers for Medicare & Medicaid Services (CMS), data updated 2026-10-02, retrieved 2026-10-29
- National Downloadable File (Doctors and Clinicians) — CMS, data updated 2026-10-02, retrieved 2026-10-29
- NPI Registry — U.S. Department of Health and Human Services (NPPES), the clinician’s official record
- Medicare Care Compare — official Medicare tool to look up clinicians