Quick answers
- Does Casandra J. Prygocki accept Medicare assignment?
- Yes. Medicare's clinician data says Casandra J. Prygocki 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 Casandra J. Prygocki see?
- In 2024, CMS data shows 261 Original Medicare patients and 269 services for Casandra J. Prygocki. This counts Original Medicare only and measures volume, not quality.
- What is Casandra J. Prygocki's NPI number?
- 1912422353. 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 Casandra J. Prygocki, 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 | 261 |
|---|---|
| Services billed to Medicare | 269 |
| Different services or procedures | 48 |
| Participating Medicare provider | Yes |
| Average age of these patients | 76 |
Most frequent services
- Anesthesia for lens surgery (00142)96 services
- Anesthesia for other procedure on skin of arms, legs, and front body (00400)16 services
- Anesthesia for other procedure on lower abdomen (00840)14 services
- Anesthesia for procedure on nerves, muscles, tendons, and tissue of forearm, wrist, and hand (01810)12 services
- Anesthesia for other procedure on upper abdomen (00790)11 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%
- Arthritis61%
- Ischemic heart disease46%
- Diabetes39%
- Anxiety32%
Hospitals where Casandra J. Prygocki works
Medicare's Facility Affiliation Data lists Casandra J. Prygocki 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.
- Peconic Bay Medical CenterRiverhead, NY · Acute Care Hospital · Medicare rating: 2 of 5 stars · Emergency services: listed by Medicare · CCN 330107
- St Catherine of Siena HospitalSmithtown, NY · Acute Care Hospital · Medicare rating: 5 of 5 stars · Emergency services: listed by Medicare · CCN 330401
- St Charles HospitalPort Jefferson, NY · Acute Care Hospital · Medicare rating: 5 of 5 stars · Emergency services: listed by Medicare · CCN 330246
Practice locations
Addresses where Casandra J. Prygocki is enrolled with Medicare (CMS data updated October 2, 2026).
- 10201 66th RdForest Hills, NY 11375 (718) 830‑4000
- 200 Belle Terre RdPort Jefferson, NY 11777 (631) 360‑4000
- 50 Route 25aSmithtown, NY 11787 (631) 862‑3000
Group practices
Medicare enrollment lists Casandra J. Prygocki as a member of these groups (CMS data updated October 2, 2026).
- North Shore - Lij Anesthesiology, PC1,003 clinicians in the group
- Suffolk Anesthesiology Associates PC72 clinicians in the group
- Office Based Anesthesia LLC14 clinicians in the group
Specialties
Find other clinicians: Certified Registered Nurse Anesthetist (CRNA), New York →
Other nurse anesthetists in Forest Hills
Clinicians with the same Medicare primary specialty in Forest Hills, NY — not a recommendation.
Other clinicians in North Shore - Lij Anesthesiology, PC
Medicare enrollment lists these clinicians in the same group practice — not a recommendation.
Clinician information
| Credential | CNA |
|---|---|
| Graduation year | 2017 |
| Gender (as listed) | Female |
| Medicare assignment | Accepts (Medicare-approved amount as full payment) |
| NPI (National Provider Identifier) | 1912422353 |
| 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