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Ophthalmology

Roger S. Lash, MD

Works at hospitals in Mount Kisco, NY · New York, NY · New York

Summary

Roger S. Lash, MD (Ophthalmology) is listed by Medicare at 2 hospitals in Mount Kisco, NY and New York, NY. NPI 1144325929. Medicare data says the clinician accepts Medicare assignment. Source: CMS Facility Affiliation Data, updated 2026-10-02.

From official Medicare data

This page shows what Medicare's official clinician data says about Roger S. Lash, joined by NPI number (data updated 2026-10-02). It is not a recommendation or a rating. Call the office or hospital to confirm before you go.

In a medical emergency, call 911.

At a glance

OphthalmologyPrimary specialty
YesAccepts Medicare assignment
47Years since medical school (graduated 1979)
University Of Vermont College Of MedicineMedical school
MaleGender (as listed)

Quick answers

Which hospitals does Roger S. Lash work at?
Medicare's official clinician data lists Roger S. Lash at 2 hospitals: Northern Westchester 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 Roger S. Lash see patients?
Medicare's clinician data lists 1 practice location in White Plains, NY. Call before your visit to confirm the address.
What is Roger S. Lash's specialty?
Medicare lists Ophthalmology as the primary specialty.
Does Roger S. Lash accept Medicare assignment?
Yes. Medicare's clinician data says Roger S. Lash 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 Roger S. Lash?
(914) 285-9385, as listed in official Medicare / NPI Registry data.
What is Roger S. Lash's NPI number?
1144325929. The NPI (National Provider Identifier) is the clinician's permanent federal ID; you can look it up in the official NPI Registry.

Hospitals where Roger S. Lash works

Medicare's Facility Affiliation Data lists Roger S. Lash at these hospitals (updated 2026-10-02). Each hospital page shows its address, phone, emergency services, Medicare rating and all its clinicians.

Practice locations

Addresses where Roger S. Lash is enrolled with Medicare (CMS data updated 2026-10-02).

Specialties

Find other Ophthalmology doctors in New York →

Other ophthalmologists in White Plains

Clinicians with the same Medicare primary specialty in White Plains, NY — not a recommendation.

All ophthalmologists in White Plains →

Clinician information

CredentialMD
Medical schoolUniversity Of Vermont College Of Medicine
Graduation year1979
Gender (as listed)Male
Medicare assignmentAccepts (Medicare-approved amount as full payment)
NPI (National Provider Identifier)1144325929
CorrectionsReport 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

  1. Facility Affiliation Data — Centers for Medicare & Medicaid Services (CMS), data updated 2026-10-02, retrieved 2026-10-29
  2. National Downloadable File (Doctors and Clinicians) — CMS, data updated 2026-10-02, retrieved 2026-10-29
  3. NPI Registry — U.S. Department of Health and Human Services (NPPES), the clinician’s official record
  4. Medicare Care Compare — official Medicare tool to look up clinicians