Syed Ali N. Zaidi, MD

Medicare activity in 2024

Official CMS public-use data for Syed Ali N. Zaidi, 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. Routine electrocardiogram (ecg) using at least 12 leads with interpretation and report only (93010)409 services
2. Subsequent hospital care with moderate levelof medical decision making, if using time, at least 50 minutes (99233)81 services
3. Ultrasound of heart with color-depicted blood flow, rate, direction and valve function (93306)75 services
4. Routine electrocardiogram (ecg) using at least 12 leads with interpretation and report (93000)73 services
5. Established patient office or other outpatient visit with high level of medical decision making, if using time, 40 minutes or more (99215)43 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 disease63%
• Heart failure53%
• Arthritis50%
• Diabetes47%

Hospitals where Syed Ali N. Zaidi works

Medicare's Facility Affiliation Data lists Syed Ali N. Zaidi 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 Syed Ali N. Zaidi is enrolled with Medicare (CMS data updated October 2, 2026).

• 1 Gustave L Levy PlNew York, NY 10029 (212) 731‑7822
• 1 Healthy WayOceanside, NY 11572 (212) 241‑1382
• 1468 Madison AveNew York, NY 10029 (212) 427‑1540

Group practices

Medicare enrollment lists Syed Ali N. Zaidi 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

• Cardiovascular Disease (Cardiology)primary

Find other Cardiovascular Disease (Cardiology) doctors in New York →

Other cardiologists in New York

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

• Steven F. Weisen, MD
• Jotinder K. Malhotra, MD
• Robert M. Applebaum, MD
• Howard Weinstein, MD
• Janice Y. Chyou, MD
• Tak W. Kwan, MD
• Leonid Garber, MD
• Atul Sharma, MD

All cardiologists 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.

• Debora Afezolli, MD
• Christina Wang, MD
• Isaac E. Stillman, MD
• Robin Varghese, MD
• Sofia I. Dawson, MD
• Sean T. Liu, 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