Quick answers
- Does Courtney M. Guebert accept Medicare assignment?
- Yes. Medicare's clinician data says Courtney M. Guebert 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 Courtney M. Guebert see?
- In 2024, CMS data shows 144 Original Medicare patients and 1,231 services for Courtney M. Guebert. This counts Original Medicare only and measures volume, not quality.
- What is Courtney M. Guebert's NPI number?
- 1679091474. 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 Courtney M. Guebert, 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 | 144 |
|---|---|
| Services billed to Medicare | 1,231 |
| Different services or procedures | 18 |
| Participating Medicare provider | Yes |
| Average age of these patients | 75 |
Most frequent services
- Injection, triamcinolone acetonide, not otherwise specified, 10 mg (J3301)362 services
- Aspiration and/or injection of fluid from large joint (20610)93 services
- Established patient office or other outpatient visit with low level od decision making, if using time, 20 minutes or more (99213)51 services
- New patient office or other outpatient visit with low level of medical decision making, if using time, 30 minutes or more (99203)39 services
- Replacement of knee joint, both sides of knee (27447)18 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 disease38%
- Chronic kidney disease38%
- Anxiety33%
Hospitals where Courtney M. Guebert works
Medicare's Facility Affiliation Data lists Courtney M. Guebert 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.
- Memorial HospitalBelleville, IL · Acute Care Hospital · Medicare rating: 5 of 5 stars · Emergency services: listed by Medicare · CCN 140185
Practice locations
Addresses where Courtney M. Guebert is enrolled with Medicare (CMS data updated October 2, 2026). The first 5 of 6; the Medicare profile lists all.
- 1 Memorial DrAlton, IL 62002 (618) 463‑7240
- 1404 Cross StShiloh, IL 62269 (618) 607‑3055
- 1404 Cross St, Suite 2940Shiloh, IL 62269 (618) 607‑3700
- 1418 Cross St, Suite 350Shiloh, IL 62269 (618) 607‑3900
- 4500 Memorial DrBelleville, IL 62226 (618) 257‑6220
Group practices
Medicare enrollment lists Courtney M. Guebert 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
| School | Southern Illinois University School Of Medicine |
|---|---|
| Graduation year | 2017 |
| Gender (as listed) | Female |
| Medicare assignment | Accepts (Medicare-approved amount as full payment) |
| NPI (National Provider Identifier) | 1679091474 |
| 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