Ting-Kin J. Leung, DO

Medicare activity in 2024

Official CMS public-use data for Ting-Kin J. Leung, 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.

Most frequent services

1. Subsequent hospital care with moderate levelof medical decision making, if using time, at least 35 minutes (99232)208 services
2. Repair of groin hernia using an endoscope (49650)19 services
3. Initial hospital care with straightforward or low-level medical decision making, if using time, at least 55 minutes (99222)17 services
4. Emergency department visit with high level of medical decision making (99285)15 services
5. Initial hospital care with moderate level of medical decision making, if using time, at least 75 minutes (99223)13 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%
• Arthritis59%
• Ischemic heart disease51%
• Anxiety42%
• Depression39%

Hospitals where Ting-Kin J. Leung works

Medicare's Facility Affiliation Data lists Ting-Kin J. Leung 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.

• John T Mather Memorial Hospital of Port JeffersonPort Jefferson, NY · Acute Care Hospital · Medicare rating: 5 of 5 stars · Emergency services: listed by Medicare · CCN 330185
• St Charles HospitalPort Jefferson, NY · Acute Care Hospital · Medicare rating: 5 of 5 stars · Emergency services: listed by Medicare · CCN 330246

Practice locations

Addresses where Ting-Kin J. Leung is enrolled with Medicare (CMS data updated October 2, 2026).

• 4 Technology Dr, Suite 220East Setauket, NY 11733 (631) 476‑9296

Specialties

• General Surgeryprimary

Find other General Surgery doctors in New York →

Other general surgeons in East Setauket

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

• Karim A. Paracha, MD
• Adam M. Kressel, MD
• Randall E. Schrager, MD
• Colleen McCloy, MD
• Hesham M. Atwa, MD
• Ghaith Khair, MD
• Nicholas Craig, MD
• Ravindra K. Kota, MD

All general surgeons in East Setauket →

Clinician information

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