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Neurology

Kyusang S. Lee, MD

Works at hospitals in New York, NY · Oceanside, NY · New York

Summary

Dr. Kyusang S. Lee, MD is a neurologist at 1 Healthy Way, Oceanside, NY 11572. Phone: (516) 632-3670. Accepts Medicare assignment. In 2024, Kyusang S. Lee had 592 Original Medicare patients and 3,922 services. NPI 1932190147. 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 Kyusang S. Lee, 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 Kyusang S. Lee accept Medicare assignment?
Yes. Medicare's clinician data says Kyusang S. Lee 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 Kyusang S. Lee see?
In 2024, CMS data shows 592 Original Medicare patients and 3,922 services for Kyusang S. Lee. This counts Original Medicare only and measures volume, not quality.
What is Kyusang S. Lee's NPI number?
1932190147. 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 Kyusang S. Lee, 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 patients592
Services billed to Medicare3,922
Different services or procedures31
Participating Medicare providerYes
Average age of these patients73

Most frequent services

  1. Continuous intraoperative neurophysiology monitoring, from outside the operating room (remote or nearby), per patient, (attention directed exclusively to one patient) each 15 minutes (list in addition to primary procedure) (G0453)2,722 services
  2. Measurement of brain wave activity (eeg), awake and asleep (95819)314 services
  3. Placement of skin electrodes and measurement of stimulated sites on arms and legs (95938)144 services
  4. Needle measurement of electrical activity in arm or leg muscles, 2 extremities (95861)134 services
  5. Visit complexity inherent to evaluation and management associated with medical care services that serve as the continuing focal point for all needed health care services and/or with medical care services that are part of ongoing care related to a patient's (G2211)106 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%
  • Arthritis60%
  • Diabetes44%
  • Ischemic heart disease41%
  • Stroke or mini-stroke36%

Hospitals where Kyusang S. Lee works

Medicare's Facility Affiliation Data lists Kyusang S. Lee 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.

  • Mount Sinai Beth IsraelNew York, NY · Acute Care Hospital · closed, according to its website · CCN 330169
  • Mount Sinai HospitalNew York, NY · Acute Care Hospital · Medicare rating: 4 of 5 stars · Emergency services: listed by Medicare · CCN 330024
  • Mount Sinai South NassauOceanside, NY · Acute Care Hospital · Medicare rating: 3 of 5 stars · Emergency services: listed by Medicare · CCN 330198
  • Mount Sinai WestNew York, NY · Acute Care Hospital · Medicare rating: 4 of 5 stars · Emergency services: listed by Medicare · CCN 330046

Practice locations

Addresses where Kyusang S. Lee is enrolled with Medicare (CMS data updated October 2, 2026).

Group practices

Medicare enrollment lists Kyusang S. Lee as a member of these groups (CMS data updated October 2, 2026).

  • Icahn School of Medicine at Mount Sinai2,843 clinicians in the group
  • Mount Sinai School of Medicine148 clinicians in the group

Specialties

Find other Neurology doctors in New York →

Other neurologists in Oceanside

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

All neurologists in Oceanside →

Other clinicians in Icahn School of Medicine at Mount Sinai

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

Clinician information

CredentialMD
Graduation year1993 (33 years since medical school)
Gender (as listed)Male
Medicare assignmentAccepts (Medicare-approved amount as full payment)
NPI (National Provider Identifier)1932190147
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