Quick answers
- Does Lyndsi K. Sievers accept Medicare assignment?
- Yes. Medicare's clinician data says Lyndsi K. Sievers 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 Lyndsi K. Sievers see?
- In 2024, CMS data shows 262 Original Medicare patients and 15,812 services for Lyndsi K. Sievers. This counts Original Medicare only and measures volume, not quality.
- What is Lyndsi K. Sievers's NPI number?
- 1750716726. 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 Lyndsi K. Sievers, 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 | 262 |
|---|---|
| Services billed to Medicare | 15,812 |
| Different services or procedures | 27 |
| Participating Medicare provider | Yes |
| Average age of these patients | 76 |
Most frequent services
- Injection, methylprednisolone acetate, 1 mg (J1010)13,168 services
- Injection, triamcinolone acetonide, preservative-free, extended-release, microsphere formulation, 1 mg (J3304)1,824 services
- Aspiration and/or injection of fluid from large joint (20610)219 services
- X-ray of knee, 4 or more views (73564)88 services
- X-ray of hip, 2-3 views (73502)78 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%
- Ischemic heart disease33%
- Diabetes29%
- Chronic kidney disease28%
Hospitals where Lyndsi K. Sievers works
Medicare's Facility Affiliation Data lists Lyndsi K. Sievers 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.
- Alton Memorial HospitalAlton, IL · Acute Care Hospital · Medicare rating: 4 of 5 stars · Emergency services: listed by Medicare · CCN 140002
Practice locations
Addresses where Lyndsi K. Sievers is enrolled with Medicare (CMS data updated October 2, 2026).
- 1 Memorial DrAlton, IL 62002 (618) 463‑7240
Group practices
Medicare enrollment lists Lyndsi K. Sievers as a member of this group (CMS data updated October 2, 2026).
- Fairview Heights Medical Group SC444 clinicians in the group
Specialties
- Physician Assistantprimary
Other physician assistants in Alton
Clinicians with the same Medicare primary specialty in Alton, IL — not a recommendation.
Other clinicians in Fairview Heights Medical Group SC
Medicare enrollment lists these clinicians in the same group practice — not a recommendation.
Clinician information
| Credential | PA |
|---|---|
| Graduation year | 2013 |
| Gender (as listed) | Female |
| Medicare assignment | Accepts (Medicare-approved amount as full payment) |
| NPI (National Provider Identifier) | 1750716726 |
| 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