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Vascular Surgery

Eleftherios G. Zisis, MD

Works at hospitals in East Orange, NJ · Belleville, NJ · Livingston, NJ · New Jersey

Summary

Dr. Eleftherios G. Zisis, MD is a vascular surgeon at 24 Park Ave, West Orange, NJ 07052. Phone: (973) 669-0878. Accepts Medicare assignment. In 2024, Eleftherios G. Zisis had 209 Original Medicare patients and 2,900 services. NPI 1659384584. 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 Eleftherios G. Zisis, 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 Eleftherios G. Zisis accept Medicare assignment?
Yes. Medicare's clinician data says Eleftherios G. Zisis 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 Eleftherios G. Zisis see?
In 2024, CMS data shows 209 Original Medicare patients and 2,900 services for Eleftherios G. Zisis. This counts Original Medicare only and measures volume, not quality.
What is Eleftherios G. Zisis's NPI number?
1659384584. 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 Eleftherios G. Zisis, 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 patients209
Services billed to Medicare2,900
Different services or procedures6
Participating Medicare providerYes
Average age of these patients75

Most frequent services

  1. Subsequent hospital care with moderate levelof medical decision making, if using time, at least 50 minutes (99233)1,510 services
  2. Subsequent hospital care with moderate levelof medical decision making, if using time, at least 35 minutes (99232)1,070 services
  3. Insertion of non-tunneled central venous tube for infusion (5 years or older) (36556)117 services
  4. Initial hospital care with moderate level of medical decision making, if using time, at least 75 minutes (99223)83 services
  5. Initial hospital care with straightforward or low-level medical decision making, if using time, at least 55 minutes (99222)67 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%
  • Diabetes75%
  • Chronic kidney disease74%
  • Heart failure72%
  • Ischemic heart disease64%

Hospitals where Eleftherios G. Zisis works

Medicare's Facility Affiliation Data lists Eleftherios G. Zisis 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.

Practice locations

Addresses where Eleftherios G. Zisis is enrolled with Medicare (CMS data updated October 2, 2026).

  • 24 Park AveWest Orange, NJ 07052 (973) 669‑0878
  • 55 Hathaway LnEssex Fells, NJ 07021

Specialties

Find other Vascular Surgery doctors in New Jersey →

Other vascular surgeons in New Jersey

Clinicians with the same Medicare primary specialty in New Jersey — not a recommendation.

All vascular surgeons in New Jersey →

Clinician information

CredentialMD
Graduation year1974 (52 years since medical school)
Gender (as listed)Male
Medicare assignmentAccepts (Medicare-approved amount as full payment)
NPI (National Provider Identifier)1659384584
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