Quick answers
- Does Jennifer L. Onyski accept Medicare assignment?
- Yes. Medicare's clinician data says Jennifer L. Onyski 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 Jennifer L. Onyski see?
- In 2024, CMS data shows 133 Original Medicare patients and 184 services for Jennifer L. Onyski. This counts Original Medicare only and measures volume, not quality.
- What is Jennifer L. Onyski's NPI number?
- 1700667425. 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 Jennifer L. Onyski, 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 | 133 |
|---|---|
| Services billed to Medicare | 184 |
| Different services or procedures | 34 |
| Participating Medicare provider | Yes |
| Average age of these patients | 76 |
Most frequent services
- Initial hospital care with straightforward or low-level medical decision making, if using time, at least 55 minutes (99222)46 services
- Replacement of knee joint, both sides of knee (27447)22 services
- Replacement of thigh bone and hip joint with prosthesis (27130)12 services
- Treatment of broken neck of thigh bone with bone implant (27245)12 services
- Repair of shoulder rotator cuff using an endoscope (29827)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%
- Arthritis75%
- Anxiety38%
- Ischemic heart disease35%
- Chronic kidney disease35%
Hospitals where Jennifer L. Onyski works
Medicare's Facility Affiliation Data lists Jennifer L. Onyski 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.
- AdventHealth DelandDeland, FL · Acute Care Hospital · Medicare rating: 4 of 5 stars · Emergency services: listed by Medicare · CCN 100045
- AdventHealth Fish MemorialOrange City, FL · Acute Care Hospital · Medicare rating: 5 of 5 stars · Emergency services: listed by Medicare · CCN 100072
- AdventHealth New Smyrna BeachNew Smyrna Beach, FL · Acute Care Hospital · Medicare rating: 4 of 5 stars · Emergency services: listed by Medicare · CCN 100014
Practice locations
Addresses where Jennifer L. Onyski is enrolled with Medicare (CMS data updated October 2, 2026).
- 1200 Lexington Green LnSanford, FL 32771
- 617 Canal St, Suite 110New Smyrna, FL 32168 (386) 734‑9122
- 740 W Plymouth AveDeland, FL 32720
- 740 W Plymouth Ave, Florida Orthopaedic AssociatesDeland, FL 32720
Group practices
Medicare enrollment lists Jennifer L. Onyski as a member of these groups (CMS data updated October 2, 2026).
- Ability Health Services and Rehabilitation LP1,269 clinicians in the group
- Ability Health Services, Inc1,258 clinicians in the group
- Tallahassee Orthopedic Clinic III Pl553 clinicians in the group
- Florida Orthopaedic Associates PA24 clinicians in the group
Specialties
- Physician Assistantprimary
Other physician assistants in Sanford
Clinicians with the same Medicare primary specialty in Sanford, FL — not a recommendation.
Other clinicians in Ability Health Services and Rehabilitation LP
Medicare enrollment lists these clinicians in the same group practice — not a recommendation.
Clinician information
| Credential | PA |
|---|---|
| Graduation year | 2023 |
| Gender (as listed) | Female |
| Medicare assignment | Accepts (Medicare-approved amount as full payment) |
| NPI (National Provider Identifier) | 1700667425 |
| 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