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

Diagnostic Radiology

Ayman Sawas, MD

Works at hospitals in West Islip, NY · Smithtown, NY · Port Jefferson, NY … · New York, Pennsylvania

Summary

Dr. Ayman Sawas, MD is a radiologist at 1000 Montauk Hwy, West Islip, NY 11795. Phone: (718) 223-4685. Accepts Medicare assignment. In 2024, Ayman Sawas had 453 Original Medicare patients and 590 services. NPI 1770888158. Source: CMS National Downloadable File, updated October 2, 2026; CMS Facility Affiliation Data, updated October 2, 2026; CMS Medicare Physician & Other Practitioners, data year 2024.

From official Medicare data

This page shows what Medicare's official clinician data says about Ayman Sawas, joined by NPI number (data updated October 2, 2026). It is not a recommendation or a rating. Call the office or hospital to confirm before you go.

In a medical emergency, call 911.

Quick answers

Does Ayman Sawas accept Medicare assignment?
Yes. Medicare's clinician data says Ayman Sawas accepts Medicare assignment (the Medicare-approved amount as full payment for covered services), as of October 2, 2026. Ask the office to confirm before your visit.
How many Medicare patients does Ayman Sawas see?
In 2024, CMS data shows 453 Original Medicare patients and 590 services for Ayman Sawas. This counts Original Medicare only and measures volume, not quality.
What is Ayman Sawas's NPI number?
1770888158. The NPI (National Provider Identifier) is the clinician's permanent federal ID; you can look it up in the official NPI Registry.

Medicare activity in 2024

Official CMS public-use data for Ayman Sawas, data year 2024 (released May 21, 2026). It covers Original Medicare (fee-for-service) patients only, not Medicare Advantage or other insurance. It shows volume, not quality or outcomes. CMS hides any count of 10 or fewer patients.

Original Medicare patients453
Services billed to Medicare590
Different services or procedures89
Participating Medicare providerYes
Average age of these patients74

Most frequent services

  1. X-ray of chest, 1 view (71045)163 services
  2. Ct scan head or brain without contrast (70450)48 services
  3. Ct scan of upper spine without contrast (72125)27 services
  4. Ct scan of abdomen and pelvis with contrast (74177)27 services
  5. Ct scan of abdomen and pelvis without contrast (74176)24 services

Chronic conditions among these patients

Share of this clinician’s Original Medicare patients with each condition, as published by CMS (it describes the patients, not the care given).

  • High blood pressure75%
  • High cholesterol75%
  • Arthritis66%
  • Ischemic heart disease55%
  • Anxiety46%
  • Diabetes44%

Hospitals where Ayman Sawas works

Medicare's Facility Affiliation Data lists Ayman Sawas at these hospitals (updated October 2, 2026). Each hospital page shows its address, phone, emergency services, Medicare rating and all its clinicians. Star rating and emergency services: Hospital General Information (CMS), data updated October 26, 2026.

  • Good Samaritan Hospital Medical CenterWest Islip, NY · Acute Care Hospital · Medicare rating: 3 of 5 stars · Emergency services: listed by Medicare · CCN 330286
  • St Catherine of Siena HospitalSmithtown, NY · Acute Care Hospital · Medicare rating: 5 of 5 stars · Emergency services: listed by Medicare · CCN 330401
  • St Charles HospitalPort Jefferson, NY · Acute Care Hospital · Medicare rating: 5 of 5 stars · Emergency services: listed by Medicare · CCN 330246
  • UPMC HorizonGreenville, PA · Acute Care Hospital · Medicare rating: 4 of 5 stars · Emergency services: listed by Medicare · CCN 390178
  • UPMC St MargaretPittsburgh, PA · Acute Care Hospital · Medicare rating: 3 of 5 stars · Emergency services: listed by Medicare · CCN 390102

Practice locations

Addresses where Ayman Sawas is enrolled with Medicare (CMS data updated October 2, 2026). The first 5 of 21; the Medicare profile lists all.

  • 1000 Montauk HwyWest Islip, NY 11795 (718) 223‑4685
  • 1000 N Village AveRockville Center, NY 11570 (718) 223‑4685
  • 110 N Main StGreenville, PA 16125
  • 110 N Main St FlGreenville, PA 16125
  • 1211 Wilmington AveNew Castle, PA 16105

Group practices

Medicare enrollment lists Ayman Sawas as a member of these groups (CMS data updated October 2, 2026).

  • University of Pittsburgh Physicians4,236 clinicians in the group
  • Einstein Practice Plan Inc794 clinicians in the group
  • Regional Health Services Inc568 clinicians in the group
  • Empire State Radiology P C268 clinicians in the group

Specialties

Find other Diagnostic Radiology doctors in New York →

Other radiologists in West Islip

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

All radiologists in West Islip →

Other clinicians in University of Pittsburgh Physicians

Medicare enrollment lists these clinicians in the same group practice — not a recommendation.

Clinician information

CredentialMD
Medical schoolState University Of New York At Stony Brook, School Of Medicine
Graduation year2010 (16 years since medical school)
Gender (as listed)Male
Medicare assignmentAccepts (Medicare-approved amount as full payment)
NPI (National Provider Identifier)1770888158
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 October 2, 2026, retrieved October 29, 2026
  2. Hospital General Information — CMS, data updated October 26, 2026, retrieved November 13, 2026
  3. National Downloadable File (Doctors and Clinicians) — CMS, data updated October 2, 2026, retrieved October 29, 2026
  4. Medicare Physician & Other Practitioners - by Provider — CMS, data year 2024, released May 21, 2026; Medicare Physician & Other Practitioners - by Provider and Service
  5. NPI Registry — U.S. Department of Health and Human Services (NPPES), the clinician’s official record
  6. Medicare Care Compare — official Medicare tool to look up clinicians