Su Yun Chung, MD

Medicare activity in 2024

Official CMS public-use data for Su Yun Chung, 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. Complete blood cell count (red cells, white blood cell, platelets), automated test and automated differential white blood cell count (85025)543 services
2. Red blood count, automated test (85045)339 services
3. Established patient office or other outpatient visit with low level od decision making, if using time, 20 minutes or more (99213)237 services
4. Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more (99214)198 services
5. Subsequent hospital care with moderate levelof medical decision making, if using time, at least 35 minutes (99232)157 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 disease68%
• Arthritis64%
• Heart failure53%
• Atrial fibrillation51%

Hospitals where Su Yun Chung works

Medicare's Facility Affiliation Data lists Su Yun Chung 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.

• Good Samaritan Hospital Medical CenterWest Islip, NY · Acute Care Hospital · Medicare rating: 3 of 5 stars · Emergency services: listed by Medicare · CCN 330286
• St Francis Hospital - The Heart CenterRoslyn, NY · Acute Care Hospital · Medicare rating: 5 of 5 stars · Emergency services: listed by Medicare · CCN 330182

Practice locations

Addresses where Su Yun Chung is enrolled with Medicare (CMS data updated October 2, 2026).

• 100 Port Washington BlvdRoslyn, NY 11576 (516) 562‑6000
• 2200 Northern Blvd, Suite 111Greenvale, NY 11548 (516) 325‑7500

Group practices

Medicare enrollment lists Su Yun Chung as a member of this group (CMS data updated October 2, 2026).

• CHS Physician Partners PC743 clinicians in the group

Specialties

• Internal Medicineprimary

Find other Internal Medicine doctors in New York →

Other internal medicine doctors in Roslyn

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

• Judah P. Guy, MD
• Hamza Pervaiz, MD
• Ziad A. Ali, MD
• Omar K. Khalique, MD
• Yuliya Miras, MD
• Joseph Colucci, MD
• Hnin Nadi Linn, MD
• Versha R. Taparia, MD

All internal medicine doctors in Roslyn →

Other clinicians in CHS Physician Partners PC

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

• Michael A. Guida, MD
• Elizabeth Scalzo, NP
• Donna V. Ramharrack
• Joseph Wiedermann, MD
• Christine Park, MD
• Behzad Shojaee, MD

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