Youyin Choy, MD

Medicare activity in 2024

Official CMS public-use data for Youyin Choy, 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. Cervical or vaginal cancer screening; pelvic and clinical breast examination (G0101)36 services
2. Established patient office or other outpatient visit with low level od decision making, if using time, 20 minutes or more (99213)35 services
3. Screening papanicolaou smear; obtaining, preparing and conveyance of cervical or vaginal smear to laboratory (Q0091)20 services
4. Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more (99214)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 cholesterol65%
• High blood pressure43%
• Arthritis41%
• Osteoporosis36%
• Anxiety31%
• Ischemic heart disease19%

Hospitals where Youyin Choy works

Medicare's Facility Affiliation Data lists Youyin Choy 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 WestNew York, NY · Acute Care Hospital · Medicare rating: 4 of 5 stars · Emergency services: listed by Medicare · CCN 330046

Practice locations

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

• 1000 10th AveNew York, NY 10019 (212) 523‑4000

Group practices

Medicare enrollment lists Youyin Choy as a member of this group (CMS data updated October 2, 2026).

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

Specialties

• Obstetrics/Gynecologyprimary

Find other Obstetrics/Gynecology doctors in New York →

Other OB-GYNs in New York

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

• Lauren Kus, MD
• Christina Escobar, MD
• Jean-Ju Sheen, MD
• Maiquel A. Carrasco, MD
• Francis X. Martingano, MD
• Sara R. Storch, MD
• Anca Rosca, MD
• Said S. Saab, MD

All OB-GYNs in New York →

Other clinicians in Icahn School of Medicine at Mount Sinai

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

• Alison I. Thaler, MD
• Eric M. Genden, MD
• Amanda M. Owens, MD
• Daniel Buchbinder, DDS
• Thomas E. Barbaccia, MD
• Benjamin E. Rosenstadt, 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