Alex Ky-Miyasaka, MD

Medicare activity in 2024

Official CMS public-use data for Alex Ky-Miyasaka, 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. Removal of external hemorrhoids by rubber banding (46221)326 services
2. Established patient office or other outpatient visit with low level od decision making, if using time, 20 minutes or more (99213)163 services
3. Study of rectum sensitivity and function (91122)146 services
4. New patient office or other outpatient visit with low level of medical decision making, if using time, 30 minutes or more (99203)124 services
5. Diagnostic exam of anus using an endoscope (46600)115 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 cholesterol75%
• High blood pressure63%
• Arthritis55%
• Ischemic heart disease30%
• Osteoporosis28%
• Diabetes26%

Hospitals where Alex Ky-Miyasaka works

Medicare's Facility Affiliation Data lists Alex Ky-Miyasaka 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 HospitalNew York, NY · Acute Care Hospital · Medicare rating: 4 of 5 stars · Emergency services: listed by Medicare · CCN 330024

Practice locations

Addresses where Alex Ky-Miyasaka is enrolled with Medicare (CMS data updated October 2, 2026).

• 13516 Roosevelt AveFlushing, NY 11354 (718) 559‑0312

Group practices

Medicare enrollment lists Alex Ky-Miyasaka 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

• Colorectal Surgery (Proctology)primary
• General Surgeryalso

Find other Colorectal Surgery (Proctology) doctors in New York →

Other colorectal surgeons in New York

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

• Yujin Guo, MD
• Christopher M. Foglia, MD
• Erica B. Sneider, MD
• Jason R. Dcruz, MD
• Othon Wiltz, MD
• Fergal J. Fleming
• Toyooki Sonoda, MD
• Shannon Spencer

All colorectal surgeons 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.

• Kestrel R. Reopelle, MD
• Jonathan Schimmel, MD
• Vineet Meghrajani, MD
• Virginia H. Flatow, MD
• Kyle Koster, MD
• Claudia Rivera-Galindo, 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