Quick answers
- Does Christine F. Renner accept Medicare assignment?
- Yes. Medicare's clinician data says Christine F. Renner 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 Christine F. Renner see?
- In 2024, CMS data shows 498 Original Medicare patients and 3,154 services for Christine F. Renner. This counts Original Medicare only and measures volume, not quality.
- What is Christine F. Renner's NPI number?
- 1558343251. 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 Christine F. Renner, 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 | 498 |
|---|---|
| Services billed to Medicare | 3,154 |
| Different services or procedures | 19 |
| Participating Medicare provider | Yes |
| Average age of these patients | 76 |
Most frequent services
- Removal of cataract with insertion of prosthetic lens (66984)2,134 services
- Photography of the retina (92250)250 services
- Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more (99214)219 services
- Established patient office or other outpatient visit with low level od decision making, if using time, 20 minutes or more (99213)200 services
- Established patient office or other outpatient visit with straightforward medical decision making, if using time, 10 minutes or more (99212)118 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 pressure72%
- High cholesterol72%
- Arthritis37%
- Diabetes36%
- Chronic kidney disease20%
- Ischemic heart disease16%
Practice locations
Addresses where Christine F. Renner is enrolled with Medicare (CMS data updated October 2, 2026).
- 201 E State StMauston, WI 53948 (608) 847‑6264
Specialties
- Optometryprimary
Other optometrists in Mauston
Clinicians with the same Medicare primary specialty in Mauston, WI — not a recommendation.
Clinician information
| Credential | OD |
|---|---|
| Optometry school | Illinois College Of Optometry At Chicago |
| Graduation year | 2000 (26 years since optometry school) |
| Gender (as listed) | Female |
| Medicare assignment | Accepts (Medicare-approved amount as full payment) |
| NPI (National Provider Identifier) | 1558343251 |
| 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