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

Internal Medicine

Yonael Ayinalem, MD

Works at hospitals in West Islip, NY · New York

Summary

Yonael Ayinalem, MD (Internal Medicine) is listed by Medicare at 1 hospital in West Islip, NY. NPI 1932857901. 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 Yonael Ayinalem, 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

Internal MedicinePrimary specialty
YesAccepts Medicare assignment
4Years since medical school (graduated 2022)
MaleGender (as listed)
Southwest Suffolk Medical PCGroup practice

Quick answers

Which hospitals does Yonael Ayinalem work at?
Medicare's official clinician data lists Yonael Ayinalem at 1 hospital: Good Samaritan Hospital Medical Center. This is where the clinician works or has privileges; call the hospital to confirm.
Where does Yonael Ayinalem see patients?
Medicare's clinician data lists 1 practice location in West Islip, NY. Call before your visit to confirm the address.
What is Yonael Ayinalem's specialty?
Medicare lists Internal Medicine as the primary specialty.
Does Yonael Ayinalem accept Medicare assignment?
Yes. Medicare's clinician data says Yonael Ayinalem 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 Yonael Ayinalem?
(631) 376-3000, as listed in official Medicare / NPI Registry data.
What is Yonael Ayinalem's NPI number?
1932857901. The NPI (National Provider Identifier) is the clinician's permanent federal ID; you can look it up in the official NPI Registry.

Hospitals where Yonael Ayinalem works

Medicare's Facility Affiliation Data lists Yonael Ayinalem 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 Yonael Ayinalem is enrolled with Medicare (CMS data updated 2026-10-02).

Group practices

Medicare enrollment lists Yonael Ayinalem as a member of this group (CMS data updated 2026-10-02).

  • Southwest Suffolk Medical PC199 clinicians in the group

Specialties

Find other Internal Medicine doctors in New York →

Other internal medicine doctors in West Islip

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

All internal medicine doctors in West Islip →

Clinician information

CredentialMD
Graduation year2022
Gender (as listed)Male
Medicare assignmentAccepts (Medicare-approved amount as full payment)
NPI (National Provider Identifier)1932857901
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