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Gastroenterology

Sami A. Almaskeen, MD

Works at hospitals in Bethpage, NY · West Islip, NY · Smithtown, NY · New York

Summary

Sami A. Almaskeen, MD (Gastroenterology) is listed by Medicare at 3 hospitals in Bethpage, NY, West Islip, NY and Smithtown, NY. NPI 1992969307. 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 Sami A. Almaskeen, 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
22Years since medical school (graduated 2004)
MaleGender (as listed)
CHS Physician Partners PCGroup practice

Quick answers

Which hospitals does Sami A. Almaskeen work at?
Medicare's official clinician data lists Sami A. Almaskeen at 3 hospitals: Chsli St Joseph Hospital, Good Samaritan Hospital Medical Center and St Catherine of Siena Hospital. This is where the clinician works or has privileges; call the hospital to confirm.
Where does Sami A. Almaskeen see patients?
Medicare's clinician data lists 4 practice locations, including Roslyn, NY, West Islip, NY and Rockville Center, NY. Call before your visit to confirm the address.
What is Sami A. Almaskeen's specialty?
Medicare lists Gastroenterology as the primary specialty.
Does Sami A. Almaskeen accept Medicare assignment?
Yes. Medicare's clinician data says Sami A. Almaskeen 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 Sami A. Almaskeen?
(631) 376-3000, as listed in official Medicare / NPI Registry data.
What is Sami A. Almaskeen's NPI number?
1992969307. The NPI (National Provider Identifier) is the clinician's permanent federal ID; you can look it up in the official NPI Registry.

Hospitals where Sami A. Almaskeen works

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

  • 100 Port Washington BlvdRoslyn, NY 11576
  • 1000 Montauk HwyWest Islip, NY 11795 (631) 376‑3000
  • 1000 N Village AveRockville Center, NY 11570
  • 350 W Main StBabylon, NY 11702 (631) 661‑2277

Group practices

Medicare enrollment lists Sami A. Almaskeen as a member of this group (CMS data updated 2026-10-02).

  • CHS Physician Partners PC743 clinicians in the group

Specialties

Find other Gastroenterology doctors in New York →

Other gastroenterologists in Roslyn

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

All gastroenterologists in Roslyn →

Clinician information

CredentialMD
Graduation year2004
Gender (as listed)Male
Medicare assignmentAccepts (Medicare-approved amount as full payment)
NPI (National Provider Identifier)1992969307
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