Quick answers
- Does Sarah Yiznitsky accept Medicare assignment?
- Yes. Medicare's clinician data says Sarah Yiznitsky 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 Sarah Yiznitsky see?
- In 2024, CMS data shows 220 Original Medicare patients and 1,503 services for Sarah Yiznitsky. This counts Original Medicare only and measures volume, not quality.
- What is Sarah Yiznitsky's NPI number?
- 1285164111. 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 Sarah Yiznitsky, 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 | 220 |
|---|---|
| Services billed to Medicare | 1,503 |
| Different services or procedures | 20 |
| Participating Medicare provider | Yes |
| Average age of these patients | 85 |
Most frequent services
- Residence visit for established patient with moderate level of medical decision making, per day, if using time, at least 40 minutes (99349)454 services
- Chronic care management services, first 20 minutes of clinical staff time directed by health care professional, per calendar month (99490)350 services
- Residence visit for established patient with high level of medical decision making, per day, if using time, at least 60 minutes (99350)172 services
- Complex chronic care management services for two or more chronic conditions, first 60 minutes of clinical staff time directed by health care professional, per calendar month (99487)172 services
- Chronic care management services for two or more chronic conditions, additional 20 minutes of clinical staff time directed by health care professional, per calendar month (99439)140 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%
- Alzheimer's disease or dementia67%
- Arthritis58%
- Depression57%
- Anxiety49%
Hospitals where Sarah Yiznitsky works
Medicare's Facility Affiliation Data lists Sarah Yiznitsky 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.
- Manchester Memorial HospitalManchester, CT · Acute Care Hospital · Medicare rating: 4 of 5 stars · Emergency services: listed by Medicare · CCN 070027
Practice locations
Addresses where Sarah Yiznitsky is enrolled with Medicare (CMS data updated October 2, 2026).
- 175 W RdEllington, CT 06029 (860) 648‑4480
- 18 Union StWest Springfield, MA 01089 (413) 781‑0100
- 415 Cooley St, Unit 3Springfield, MA 01128 (413) 782‑4878
- 55 Meriden Ave, Suite 1dSouthington, CT 06489 (860) 276‑5144
- 71 Haynes StManchester, CT 06040 (860) 647‑6800
Group practices
Medicare enrollment lists Sarah Yiznitsky as a member of these groups (CMS data updated October 2, 2026).
- Prospect Ct Medical Foundation Inc282 clinicians in the group
- Hartford Healthcare Medical Group Inc267 clinicians in the group
- AFC Physicians of Massachusetts, PC56 clinicians in the group
Specialties
- Nurse Practitionerprimary
Other nurse practitioners in Ellington
Clinicians with the same Medicare primary specialty in Ellington, CT — not a recommendation.
Other clinicians in Prospect Ct Medical Foundation Inc
Medicare enrollment lists these clinicians in the same group practice — not a recommendation.
Clinician information
| Credential | NP |
|---|---|
| Graduation year | 2017 |
| Gender (as listed) | Female |
| Medicare assignment | Accepts (Medicare-approved amount as full payment) |
| Telehealth | Offers telehealth services |
| NPI (National Provider Identifier) | 1285164111 |
| 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