Quick answers
- Does Susana M. Ayyanathan accept Medicare assignment?
- Yes. Medicare's clinician data says Susana M. Ayyanathan accepts Medicare assignment (the Medicare-approved amount as full payment for covered services), as of October 2, 2026. Ask the office to confirm before your visit.
- How many Medicare patients does Susana M. Ayyanathan see?
- In 2024, CMS data shows 298 Original Medicare patients and 496 services for Susana M. Ayyanathan. This counts Original Medicare only and measures volume, not quality.
- What is Susana M. Ayyanathan's NPI number?
- 1366635757. The NPI (National Provider Identifier) is the clinician's permanent federal ID; you can look it up in the official NPI Registry.
Medicare activity in 2024
Official CMS public-use data for Susana M. Ayyanathan, 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.
| Original Medicare patients | 298 |
|---|---|
| Services billed to Medicare | 496 |
| Different services or procedures | 10 |
| Participating Medicare provider | Yes |
| Average age of these patients | 80 |
Most frequent services
- Initial hospital care with moderate level of medical decision making, if using time, at least 75 minutes (99223)147 services
- Subsequent hospital care with moderate levelof medical decision making, if using time, at least 50 minutes (99233)146 services
- Initial hospital care with straightforward or low-level medical decision making, if using time, at least 55 minutes (99222)105 services
- Subsequent hospital care with moderate levelof medical decision making, if using time, at least 35 minutes (99232)82 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 disease75%
- Heart failure75%
- Diabetes71%
- Arthritis66%
Hospitals where Susana M. Ayyanathan works
Medicare's Facility Affiliation Data lists Susana M. Ayyanathan 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.
- New York-Presbyterian/QueensFlushing, NY · Acute Care Hospital · Medicare rating: 5 of 5 stars · Emergency services: listed by Medicare · CCN 330055
Practice locations
Addresses where Susana M. Ayyanathan is enrolled with Medicare (CMS data updated October 2, 2026). The first 5 of 7; the Medicare profile lists all.
- 1402 150th StWhitestone, NY 11357 (718) 353‑8933
- 1402 150th St, Apt 1Whitestone, NY 11357 (347) 625‑6214
- 16303 Horace Harding ExpyFresh Meadows, NY 11365
- 5620 Main StFlushing, NY 11355 (718) 670‑1837
- 5626 Main StFlushing, NY 11355 (718) 670‑1185
Group practices
Medicare enrollment lists Susana M. Ayyanathan as a member of this group (CMS data updated October 2, 2026).
- New York Queens Medicine and Surgery, P.C.401 clinicians in the group
Specialties
Find other Cardiovascular Disease (Cardiology) doctors in New York →
Other cardiologists in Whitestone
Clinicians with the same Medicare primary specialty in Whitestone, NY — not a recommendation.
Other clinicians in New York Queens Medicine and Surgery, P.C.
Medicare enrollment lists these clinicians in the same group practice — not a recommendation.
Clinician information
| Credential | MD |
|---|---|
| Graduation year | 2003 (23 years since medical school) |
| Gender (as listed) | Female |
| Medicare assignment | Accepts (Medicare-approved amount as full payment) |
| NPI (National Provider Identifier) | 1366635757 |
| Corrections | Report an error or suggest an update → |
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
- Facility Affiliation Data — Centers for Medicare & Medicaid Services (CMS), data updated October 2, 2026, retrieved October 29, 2026
- Hospital General Information — CMS, data updated October 26, 2026, retrieved November 13, 2026
- National Downloadable File (Doctors and Clinicians) — CMS, data updated October 2, 2026, retrieved October 29, 2026
- Medicare Physician & Other Practitioners - by Provider — CMS, data year 2024, released May 21, 2026; Medicare Physician & Other Practitioners - by Provider and Service
- NPI Registry — U.S. Department of Health and Human Services (NPPES), the clinician’s official record
- Medicare Care Compare — official Medicare tool to look up clinicians