Quick answers
- Does Courtney W. Ridner accept Medicare assignment?
- Yes. Medicare's clinician data says Courtney W. Ridner 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 W. Ridner see?
- In 2024, CMS data shows 842 Original Medicare patients and 2,133 services for Courtney W. Ridner. This counts Original Medicare only and measures volume, not quality.
- What is Courtney W. Ridner's NPI number?
- 1346228426. 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 W. Ridner, 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 | 842 |
|---|---|
| Services billed to Medicare | 2,133 |
| Different services or procedures | 33 |
| Participating Medicare provider | Yes |
| Average age of these patients | 75 |
Most frequent services
- Established patient complete exam of visual system (92014)388 services
- Removal of cataract with insertion of prosthetic lens (66984)282 services
- Removal of recurring cataract in lens capsule using a laser (66821)278 services
- Established patient problem focused exam of visual system (92012)225 services
- Imaging of retina (92134)211 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%
- Arthritis50%
- Diabetes30%
- Ischemic heart disease27%
- Chronic kidney disease22%
Practice locations
Addresses where Courtney W. Ridner is enrolled with Medicare (CMS data updated October 2, 2026).
- 1400 Dowell Springs Blvd, Suite 310Knoxville, TN 37909
- 1815 Gunbarrel RdChattanooga, TN 37421 (423) 648‑3937
Group practices
Medicare enrollment lists Courtney W. Ridner as a member of these groups (CMS data updated October 2, 2026).
- Southeast Eye Specialists PLLC37 clinicians in the group
- Precision Eye Consultants2 clinicians in the group
Specialties
- Ophthalmologyprimary
Other ophthalmologists in Knoxville
Clinicians with the same Medicare primary specialty in Knoxville, TN — not a recommendation.
Other clinicians in Southeast Eye Specialists PLLC
Medicare enrollment lists these clinicians in the same group practice — not a recommendation.
Clinician information
| Credential | MD |
|---|---|
| Medical school | East Tennessee State University Quillen College Of Medicine |
| Graduation year | 2004 (22 years since medical school) |
| Gender (as listed) | Male |
| Medicare assignment | Accepts (Medicare-approved amount as full payment) |
| NPI (National Provider Identifier) | 1346228426 |
| 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