Quick answers
- Which hospitals does Grace G. Lessing work at?
- Medicare's official clinician data lists Grace G. Lessing at 1 hospital: Long Island Community Hospital. This is where the clinician works or has privileges; call the hospital to confirm.
- Where does Grace G. Lessing see patients?
- Medicare's clinician data lists 1 practice location in East Patchogue, NY. Call before your visit to confirm the address.
- What is Grace G. Lessing's specialty?
- Medicare lists Ophthalmology as the primary specialty.
- Does Grace G. Lessing accept Medicare assignment?
- Yes. Medicare's clinician data says Grace G. Lessing 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 Grace G. Lessing?
- (631) 289-0001, as listed in official Medicare / NPI Registry data.
- What is Grace G. Lessing's NPI number?
- 1588733141. The NPI (National Provider Identifier) is the clinician's permanent federal ID; you can look it up in the official NPI Registry.
Hospitals where Grace G. Lessing works
Medicare's Facility Affiliation Data lists Grace G. Lessing at these hospitals (updated 2026-10-02). Each hospital page shows its address, phone, emergency services, Medicare rating and all its clinicians.
- Long Island Community HospitalPatchogue, NY · Acute Care Hospital · CCN 330141
Practice locations
Addresses where Grace G. Lessing is enrolled with Medicare (CMS data updated 2026-10-02).
- 260 Patchogue Yaphank Rd, Suite AEast Patchogue, NY 11772 (631) 289‑0001
Specialties
- Ophthalmologyprimary
Other ophthalmologists in New York
Clinicians with the same Medicare primary specialty in New York — not a recommendation.
Clinician information
| Credential | MD |
|---|---|
| Medical school | State University Of New York At Stony Brook, School Of Medicine |
| Graduation year | 1995 |
| Gender (as listed) | Female |
| Medicare assignment | Accepts (Medicare-approved amount as full payment) |
| NPI (National Provider Identifier) | 1588733141 |
| 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