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Orthopedic Surgery

Elias Kassapidis, MD

Works at hospitals in New York, NY · New York

Summary

Dr. Elias Kassapidis, MD is an orthopedic surgeon at 1790 Broadway, Fl 10, New York, NY 10019. Phone: (212) 434-6880. Accepts Medicare assignment. In 2024, Elias Kassapidis had 431 Original Medicare patients and 1,981 services. NPI 1184726853. 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: Orthopedic surgeon (Medicare lists Orthopedic Surgery)
  • Address: 1790 Broadway, Fl 10, New York, NY 10019 · Directions
  • Phone: (212) 434‑6880
  • Medicare: Accepts Medicare assignment
  • Hospital: Lenox Hill Hospital
  • Group practice: North Shore-Lij Medical PC
  • Medical school: New York University School Of Medicine · graduated 1990 (36 years since medical school)
  • Gender (as listed): Male

From official Medicare data

This page shows what Medicare's official clinician data says about Elias Kassapidis, 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 Elias Kassapidis accept Medicare assignment?
Yes. Medicare's clinician data says Elias Kassapidis 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 Elias Kassapidis see?
In 2024, CMS data shows 431 Original Medicare patients and 1,981 services for Elias Kassapidis. This counts Original Medicare only and measures volume, not quality.
What is Elias Kassapidis's NPI number?
1184726853. 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 Elias Kassapidis, 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 patients431
Services billed to Medicare1,981
Different services or procedures36
Participating Medicare providerYes
Average age of these patients76

Most frequent services

  1. Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more (99214)477 services
  2. Aspiration and/or injection of fluid from large joint (20610)318 services
  3. Hyaluronan or derivative, monovisc, for intra-articular injection, per dose (J7327)189 services
  4. Injection, triamcinolone acetonide, not otherwise specified, 10 mg (J3301)173 services
  5. X-ray of knee, 3 views (73562)154 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%
  • Arthritis75%
  • Diabetes32%
  • Ischemic heart disease32%
  • Anxiety20%

Hospitals where Elias Kassapidis works

Medicare's Facility Affiliation Data lists Elias Kassapidis 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.

  • Lenox Hill HospitalNew York, NY · Acute Care Hospital · Medicare rating: 5 of 5 stars · Emergency services: listed by Medicare · CCN 330119

Practice locations

Addresses where Elias Kassapidis is enrolled with Medicare (CMS data updated October 2, 2026).

Group practices

Medicare enrollment lists Elias Kassapidis 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 Orthopedic Surgery doctors in New York →

Other orthopedic surgeons in New York

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

All orthopedic surgeons in New York →

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 schoolNew York University School Of Medicine
Graduation year1990 (36 years since medical school)
Gender (as listed)Male
Medicare assignmentAccepts (Medicare-approved amount as full payment)
NPI (National Provider Identifier)1184726853
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