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Cardiovascular Disease (Cardiology)

Amgad N. Makaryus, MD

Works at hospitals in Manhasset, NY · Plainview, NY · New York

Summary

Dr. Amgad N. Makaryus, MD is a cardiologist at 300 Community Dr, Manhasset, NY 11030. Phone: (516) 562-2229. Accepts Medicare assignment. In 2024, Amgad N. Makaryus had 205 Original Medicare patients and 321 services. NPI 1922208594. 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.

  • Specialty: Cardiologist (Medicare lists Cardiovascular Disease (Cardiology))
  • Address: 300 Community Dr, Manhasset, NY 11030 · Directions (4 more locations)
  • Phone: (516) 562‑2229
  • Medicare: Accepts Medicare assignment
  • Hospitals: North Shore University Hospital, Plainview Hospital
  • Group practice: North Shore-Lij Medical PC
  • Medical school: State University Of New York Downstate Medical Center · graduated 2000 (26 years since medical school)
  • Gender (as listed): Male

From official Medicare data

This page shows what Medicare's official clinician data says about Amgad N. Makaryus, 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 Amgad N. Makaryus accept Medicare assignment?
Yes. Medicare's clinician data says Amgad N. Makaryus 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 Amgad N. Makaryus see?
In 2024, CMS data shows 205 Original Medicare patients and 321 services for Amgad N. Makaryus. This counts Original Medicare only and measures volume, not quality.
What is Amgad N. Makaryus's NPI number?
1922208594. 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 Amgad N. Makaryus, 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 patients205
Services billed to Medicare321
Different services or procedures14
Participating Medicare providerYes
Average age of these patients79

Most frequent services

  1. Initial hospital care with moderate level of medical decision making, if using time, at least 75 minutes (99223)64 services
  2. Critical care, first 30-74 minutes (99291)44 services
  3. Ultrasound of heart with color-depicted blood flow, rate, direction and valve function (93306)42 services
  4. Subsequent hospital care with moderate levelof medical decision making, if using time, at least 50 minutes (99233)41 services
  5. Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more (99214)35 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%
  • Ischemic heart disease67%
  • Diabetes56%
  • Heart failure56%
  • Arthritis55%

Hospitals where Amgad N. Makaryus works

Medicare's Facility Affiliation Data lists Amgad N. Makaryus 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.

  • North Shore University HospitalManhasset, NY · Acute Care Hospital · Medicare rating: 5 of 5 stars · Emergency services: listed by Medicare · CCN 330106
  • Plainview HospitalPlainview, NY · Acute Care Hospital · Medicare rating: 4 of 5 stars · Emergency services: listed by Medicare · CCN 330331

Practice locations

Addresses where Amgad N. Makaryus is enrolled with Medicare (CMS data updated October 2, 2026).

Group practices

Medicare enrollment lists Amgad N. Makaryus as a member of this group (CMS data updated October 2, 2026).

  • North Shore-Lij Medical PC6,440 clinicians in the group

Specialties

Find other Cardiovascular Disease (Cardiology) doctors in New York →

Other cardiologists in Manhasset

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

All cardiologists in Manhasset →

Other clinicians in North Shore-Lij Medical PC

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

Clinician information

CredentialMD
Medical schoolState University Of New York Downstate Medical Center
Graduation year2000 (26 years since medical school)
Gender (as listed)Male
Medicare assignmentAccepts (Medicare-approved amount as full payment)
NPI (National Provider Identifier)1922208594
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