Quick answers
- Does Jacqueline N. Siejka accept Medicare assignment?
- Yes. Medicare's clinician data says Jacqueline N. Siejka 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 Jacqueline N. Siejka see?
- In 2024, CMS data shows 85 Original Medicare patients and 1,044 services for Jacqueline N. Siejka. This counts Original Medicare only and measures volume, not quality.
- What is Jacqueline N. Siejka's NPI number?
- 1508271214. 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 Jacqueline N. Siejka, 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 | 85 |
|---|---|
| Services billed to Medicare | 1,044 |
| Different services or procedures | 34 |
| Participating Medicare provider | Yes |
| Average age of these patients | 73 |
Most frequent services
- Injection, betamethasone acetate 3 mg and betamethasone sodium phosphate 3 mg (J0702)138 services
- Established patient office or other outpatient visit with low level od decision making, if using time, 20 minutes or more (99213)41 services
- Aspiration and/or injection of fluid from large joint (20610)38 services
- X-ray of foot, minimum of 3 views (73630)35 services
- X-ray of hip, 2-3 views (73502)25 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%
- Arthritis73%
- Chronic kidney disease38%
- Anxiety36%
- Ischemic heart disease31%
Practice locations
Addresses where Jacqueline N. Siejka is enrolled with Medicare (CMS data updated October 2, 2026).
- 10195 Niagara Falls Blvd, Suite 100Niagara Falls, NY 14304 (716) 250‑9999
- 260 Red Tail RdOrchard Park, NY 14127 (716) 250‑9999
- 3925 Sheridan DrAmherst, NY 14226 (716) 250‑9999
- 3925 Sheridan Dr, Suite 100Amherst, NY 14226
- 8750 Transit RdEast Amherst, NY 14051
Group practices
Medicare enrollment lists Jacqueline N. Siejka as a member of this group (CMS data updated October 2, 2026).
- Excelsior Orthopaedics LLP144 clinicians in the group
Specialties
- Physician Assistantprimary
Other physician assistants in Niagara Falls
Clinicians with the same Medicare primary specialty in Niagara Falls, NY — not a recommendation.
Other clinicians in Excelsior Orthopaedics LLP
Medicare enrollment lists these clinicians in the same group practice — not a recommendation.
Clinician information
| Credential | PA |
|---|---|
| Graduation year | 2014 |
| Gender (as listed) | Female |
| Medicare assignment | Accepts (Medicare-approved amount as full payment) |
| NPI (National Provider Identifier) | 1508271214 |
| 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
- 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