Quick answers
- Which hospitals does Steven M. Weiss work at?
- Medicare's official clinician data lists Steven M. Weiss at 1 hospital: Mount Sinai South Nassau. This is where the clinician works or has privileges; call the hospital to confirm.
- Where does Steven M. Weiss see patients?
- Medicare's clinician data lists 2 practice locations, including Hewlett, NY and Freeport, NY. Call before your visit to confirm the address.
- What is Steven M. Weiss's specialty?
- Medicare lists Infectious Disease as the primary specialty.
- Does Steven M. Weiss accept Medicare assignment?
- Yes. Medicare's clinician data says Steven M. Weiss 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 Steven M. Weiss offer telehealth?
- Medicare's clinician data says Steven M. Weiss offers telehealth services. Ask the office which visits can be done by video or phone.
- What is the phone number for Steven M. Weiss?
- (516) 497-7422, as listed in official Medicare / NPI Registry data.
- What is Steven M. Weiss's NPI number?
- 1114912144. The NPI (National Provider Identifier) is the clinician's permanent federal ID; you can look it up in the official NPI Registry.
Hospitals where Steven M. Weiss works
Medicare's Facility Affiliation Data lists Steven M. Weiss at these hospitals (updated 2026-10-02). Each hospital page shows its address, phone, emergency services, Medicare rating and all its clinicians.
- Mount Sinai South NassauOceanside, NY · Acute Care Hospital · CCN 330198
Practice locations
Addresses where Steven M. Weiss is enrolled with Medicare (CMS data updated 2026-10-02).
- 1436 BroadwayHewlett, NY 11557 (516) 497‑7422
- 155 W Merrick Rd, Suite 101Freeport, NY 11520 (516) 379‑3139
Group practices
Medicare enrollment lists Steven M. Weiss as a member of these groups (CMS data updated 2026-10-02).
- North Shore Medical Group of the Mount Sinai School of Medicine331 clinicians in the group
- Mount Sinai School of Medicine148 clinicians in the group
Specialties
- Infectious Diseaseprimary
Other infectious disease doctors in New York
Clinicians with the same Medicare primary specialty in New York — not a recommendation.
Clinician information
| Credential | MD |
|---|---|
| Medical school | New York University School Of Medicine |
| Graduation year | 1988 |
| Gender (as listed) | Male |
| Medicare assignment | Accepts (Medicare-approved amount as full payment) |
| Telehealth | Offers telehealth services |
| NPI (National Provider Identifier) | 1114912144 |
| 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