Quick answers
- Does Candace R. Shirley accept Medicare assignment?
- Yes. Medicare's clinician data says Candace R. Shirley 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 Candace R. Shirley see?
- In 2024, CMS data shows 42 Original Medicare patients and 82 services for Candace R. Shirley. This counts Original Medicare only and measures volume, not quality.
- What is Candace R. Shirley's NPI number?
- 1891242921. 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 Candace R. Shirley, 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 | 42 |
|---|---|
| Services billed to Medicare | 82 |
| Different services or procedures | 5 |
| Participating Medicare provider | Yes |
| Average age of these patients | 64 |
Most frequent services
- Dialysis services, 2-3 physician visits per month (20 years or older) (90961)30 services
- Dialysis services, 1 physician visit per month (20 years or older) (90962)21 services
- Dialysis services, 4 or more physician visits per month (20 years or older) (90960)17 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%
- Chronic kidney disease75%
- Heart failure69%
- Diabetes52%
- Ischemic heart disease48%
Practice locations
Addresses where Candace R. Shirley is enrolled with Medicare (CMS data updated October 2, 2026).
- 2655 Muegge RdSaint Charles, MO 63303 (314) 720‑0900
Group practices
Medicare enrollment lists Candace R. Shirley as a member of this group (CMS data updated October 2, 2026).
- St Louis Kidney LLC9 clinicians in the group
Specialties
- Nurse Practitionerprimary
Other nurse practitioners in Saint Charles
Clinicians with the same Medicare primary specialty in Saint Charles, MO — not a recommendation.
Other clinicians in St Louis Kidney LLC
Medicare enrollment lists these clinicians in the same group practice — not a recommendation.
Clinician information
| Credential | NP |
|---|---|
| Graduation year | 2016 |
| Gender (as listed) | Female |
| Medicare assignment | Accepts (Medicare-approved amount as full payment) |
| NPI (National Provider Identifier) | 1891242921 |
| 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