Quick answers
- Which hospitals does Stephen Rubenstein work at?
- Medicare's official clinician data lists Stephen Rubenstein at 1 hospital: Lenox Hill Hospital. This is where the clinician works or has privileges; call the hospital to confirm.
- Where does Stephen Rubenstein see patients?
- Medicare's clinician data lists 1 practice location in New York, NY. Call before your visit to confirm the address.
- What is Stephen Rubenstein's specialty?
- Medicare lists Cardiovascular Disease (Cardiology) as the primary specialty.
- Does Stephen Rubenstein accept Medicare assignment?
- Medicare's clinician data says Stephen Rubenstein may accept Medicare assignment (as of 2026-10-02). Ask the office whether they accept it for your visit.
- What is the phone number for Stephen Rubenstein?
- (212) 737-6993, as listed in official Medicare / NPI Registry data.
- What is Stephen Rubenstein's NPI number?
- 1831267509. The NPI (National Provider Identifier) is the clinician's permanent federal ID; you can look it up in the official NPI Registry.
Hospitals where Stephen Rubenstein works
Medicare's Facility Affiliation Data lists Stephen Rubenstein at these hospitals (updated 2026-10-02). Each hospital page shows its address, phone, emergency services, Medicare rating and all its clinicians.
- Lenox Hill HospitalNew York, NY · Acute Care Hospital · CCN 330119
Practice locations
Addresses where Stephen Rubenstein is enrolled with Medicare (CMS data updated 2026-10-02).
- 885 Park AveNew York, NY 10075 (212) 737‑6993
Specialties
Find other Cardiovascular Disease (Cardiology) doctors in New York →
Other cardiologists in New York
Clinicians with the same Medicare primary specialty in New York, NY — not a recommendation.
Clinician information
| Credential | MD |
|---|---|
| Graduation year | 1971 |
| Gender (as listed) | Male |
| Medicare assignment | May accept for some services |
| NPI (National Provider Identifier) | 1831267509 |
| 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