Quick answers
- Does Lydia T. Szilva accept Medicare assignment?
- Yes. Medicare's clinician data says Lydia T. Szilva 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 Lydia T. Szilva see?
- In 2024, CMS data shows 195 Original Medicare patients and 206 services for Lydia T. Szilva. This counts Original Medicare only and measures volume, not quality.
- What is Lydia T. Szilva's NPI number?
- 1396047924. 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 Lydia T. Szilva, 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 | 195 |
|---|---|
| Services billed to Medicare | 206 |
| Different services or procedures | 45 |
| Participating Medicare provider | Yes |
| Average age of these patients | 75 |
Most frequent services
- Anesthesia for lens surgery (00142)69 services
- Anesthesia for injection, drainage or aspiration procedures on spine or spinal cord of lower back accessed through skin using imaging guidance (01938)17 services
- Anesthesia for procedure on nerves, muscles, tendons, and tissue of forearm, wrist, and hand (01810)12 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%
- Arthritis54%
- Ischemic heart disease35%
- Diabetes29%
- Chronic kidney disease24%
Hospitals where Lydia T. Szilva works
Medicare's Facility Affiliation Data lists Lydia T. Szilva 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.
- Hudson Valley Hospital CenterCortlandt Manor, NY · Acute Care Hospital · Medicare rating: 5 of 5 stars · Emergency services: listed by Medicare · CCN 330267
- Northern Westchester HospitalMount Kisco, NY · Acute Care Hospital · Medicare rating: 5 of 5 stars · Emergency services: listed by Medicare · CCN 330162
- Phelps HospitalSleepy Hollow, NY · Acute Care Hospital · Medicare rating: 4 of 5 stars · Emergency services: listed by Medicare · CCN 330261
Practice locations
Addresses where Lydia T. Szilva is enrolled with Medicare (CMS data updated October 2, 2026).
- 195 E Main StHuntington, NY 11743 (914) 666‑8866
- 1980 Crompond RdCortlandt Manor, NY 10567 (914) 737‑9000
- 34 S Bedford RdMount Kisco, NY 10549 (914) 241‑1050
- 355 Kear StYorktown Heights, NY 10598 (914) 241‑1050
- 701 N BroadwaySleepy Hollow, NY 10591 (914) 366‑3000
Group practices
Medicare enrollment lists Lydia T. Szilva as a member of these groups (CMS data updated October 2, 2026).
- Optum Medical Care PC1,010 clinicians in the group
- North Shore - Lij Anesthesiology, PC1,003 clinicians in the group
- Hudson Health Anesthesia PLLC51 clinicians in the group
Specialties
Find other clinicians: Certified Registered Nurse Anesthetist (CRNA), New York →
Other nurse anesthetists in Huntington
Clinicians with the same Medicare primary specialty in Huntington, NY — not a recommendation.
Other clinicians in Optum Medical Care PC
Medicare enrollment lists these clinicians in the same group practice — not a recommendation.
Clinician information
| Credential | CNA |
|---|---|
| School | Albany Medical College Of Union University |
| Graduation year | 2010 |
| Gender (as listed) | Female |
| Medicare assignment | Accepts (Medicare-approved amount as full payment) |
| NPI (National Provider Identifier) | 1396047924 |
| 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