Quick answers
- Which hospitals does Gareth M. Lema work at?
- Medicare's official clinician data lists Gareth M. Lema at 2 hospitals: Mount Sinai Hospital and NY Eye and Ear Infirmary of Mount Sinai. This is where the clinician works or has privileges; call the hospital to confirm.
- Where does Gareth M. Lema see patients?
- Medicare's clinician data lists 4 practice locations, including New York, NY. Call before your visit to confirm the address.
- What is Gareth M. Lema's specialty?
- Medicare lists Ophthalmology as the primary specialty.
- Does Gareth M. Lema accept Medicare assignment?
- Yes. Medicare's clinician data says Gareth M. Lema 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.
- What is the phone number for Gareth M. Lema?
- (212) 241-0939, as listed in official Medicare / NPI Registry data.
- What is Gareth M. Lema's NPI number?
- 1982802476. The NPI (National Provider Identifier) is the clinician's permanent federal ID; you can look it up in the official NPI Registry.
Hospitals where Gareth M. Lema works
Medicare's Facility Affiliation Data lists Gareth M. Lema at these hospitals (updated 2026-10-02). Each hospital page shows its address, phone, emergency services, Medicare rating and all its clinicians.
- Mount Sinai HospitalNew York, NY · Acute Care Hospital · CCN 330024
- NY Eye and Ear Infirmary of Mount SinaiNew York, NY · Acute Care Hospital · CCN 330100
Practice locations
Addresses where Gareth M. Lema is enrolled with Medicare (CMS data updated 2026-10-02).
- 1 Gustave L Levy PlNew York, NY 10029
- 1 Gustave Levy PlaceNew York, NY 10029
- 310 E 14th St, Opthalmology Department of Mount SinaiNew York, NY 10003 (212) 241‑0939
- 5 E 98th St 7th Fl Box, 1183 Ophthalmology Department of MountNew York, NY 10029
Group practices
Medicare enrollment lists Gareth M. Lema as a member of this group (CMS data updated 2026-10-02).
- Icahn School of Medicine at Mount Sinai2,843 clinicians in the group
Specialties
- Ophthalmologyprimary
Other ophthalmologists in New York
Clinicians with the same Medicare primary specialty in New York, NY — not a recommendation.
Clinician information
| Credential | MD |
|---|---|
| Medical school | State University Of New York At Buffalo School Of Medicine |
| Graduation year | 2007 |
| Gender (as listed) | Male |
| Medicare assignment | Accepts (Medicare-approved amount as full payment) |
| NPI (National Provider Identifier) | 1982802476 |
| 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