Medical emergency?Emergency? Call 911. Nearest emergency roomsNearest ERs

Gastroenterology

Sandra R. Layne, MD

Sees patients in Syosset, NY · New York

Summary

Sandra R. Layne, MD (Gastroenterology) is enrolled with Medicare at 1 practice location in Syosset, NY. NPI 1891878419. Medicare data says the clinician accepts Medicare assignment. Source: CMS National Downloadable File, updated 2026-10-02.

From official Medicare data

This page shows what Medicare's official clinician data says about Sandra R. Layne, 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

GastroenterologyPrimary specialty
YesAccepts Medicare assignment
37Years since medical school (graduated 1989)
State University Of New York At Stony Brook, School Of MedicineMedical school
FemaleGender (as listed)

Quick answers

Where does Sandra R. Layne see patients?
Medicare's clinician data lists 1 practice location in Syosset, NY. Call before your visit to confirm the address.
What is Sandra R. Layne's specialty?
Medicare lists Gastroenterology as the primary specialty.
Does Sandra R. Layne accept Medicare assignment?
Yes. Medicare's clinician data says Sandra R. Layne 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 Sandra R. Layne?
(516) 864-2700, as listed in official Medicare / NPI Registry data.
What is Sandra R. Layne's NPI number?
1891878419. The NPI (National Provider Identifier) is the clinician's permanent federal ID; you can look it up in the official NPI Registry.

Practice locations

Addresses where Sandra R. Layne is enrolled with Medicare (CMS data updated 2026-10-02).

Specialties

Find other Gastroenterology doctors in New York →

Other gastroenterologists in Syosset

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

All gastroenterologists in Syosset →

Clinician information

CredentialMD
Medical schoolState University Of New York At Stony Brook, School Of Medicine
Graduation year1989
Gender (as listed)Female
Medicare assignmentAccepts (Medicare-approved amount as full payment)
NPI (National Provider Identifier)1891878419
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. National Downloadable File (Doctors and Clinicians) — CMS, data updated 2026-10-02, retrieved 2026-10-29
  2. NPI Registry — U.S. Department of Health and Human Services (NPPES), the clinician’s official record
  3. Medicare Care Compare — official Medicare tool to look up clinicians