Yvonne Chan, MD

Medicare activity in 2024

Official CMS public-use data for Yvonne Chan, 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. Emergency department visit with high level of medical decision making (99285)145 services
2. Emergency department visit with moderate level of medical decision making (99284)109 services
3. Critical care, first 30-74 minutes (99291)17 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%
• Arthritis51%
• Diabetes39%
• Ischemic heart disease39%
• Chronic kidney disease39%

Hospitals where Yvonne Chan works

Medicare's Facility Affiliation Data lists Yvonne Chan 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.

• Baptist Health PaducahPaducah, KY · Acute Care Hospital · Medicare rating: 4 of 5 stars · Emergency services: listed by Medicare · CCN 180104
• King's Daughters' Medical CenterAshland, KY · Acute Care Hospital · Medicare rating: 3 of 5 stars · Emergency services: listed by Medicare · CCN 180009
• Nyack HospitalNyack, NY · Acute Care Hospital · Medicare rating: 2 of 5 stars · Emergency services: listed by Medicare · CCN 330104

Practice locations

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

• 160 N Midland AveNyack, NY 10960 (954) 939‑5000
• 2201 Lexington AveAshland, KY 41101 (954) 939‑5000
• 2215 Burdett AveTroy, NY 12180 (518) 271‑3261

Group practices

Medicare enrollment lists Yvonne Chan as a member of these groups (CMS data updated October 2, 2026).

• Island Emergency Medical Services PC137 clinicians in the group
• Nyack Emergency Medical Association PLLC61 clinicians in the group
• West Fairview Emergency Physicians LLC44 clinicians in the group

Specialties

• Emergency Medicineprimary

Find other Emergency Medicine doctors in New York →

Other emergency medicine doctors in Nyack

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

• Inna Bulaevsky, DO
• Philip Tharp, MD
• Eli Brown, MD
• Liam G. Oriordan, DO
• Raymond Marcovici, MD
• Bryan D. Musmacker, MD
• Kathleen G. Reichard, DO
• Michael M. Mascola, DO

All emergency medicine doctors in Nyack →

Other clinicians in Island Emergency Medical Services PC

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

• Corinne Bullock
• Claudwardyne A. Thevenin, DO
• Joshua T. Drake, MD
• Tanya M. Sommers, NP
• Teddy T. Lee, DO
• Katrina M. Kardos, 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