Quick answers
- Does Daniel R. Sliwinski accept Medicare assignment?
- Yes. Medicare's clinician data says Daniel R. Sliwinski 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 Daniel R. Sliwinski see?
- In 2024, CMS data shows 1,000 Original Medicare patients and 2,049 services for Daniel R. Sliwinski. This counts Original Medicare only and measures volume, not quality.
- What is Daniel R. Sliwinski's NPI number?
- 1932495991. 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 Daniel R. Sliwinski, 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 | 1,000 |
|---|---|
| Services billed to Medicare | 2,049 |
| Different services or procedures | 29 |
| Participating Medicare provider | Yes |
| Average age of these patients | 75 |
Most frequent services
- Established patient complete exam of visual system (92014)628 services
- Established patient office or other outpatient visit with low level od decision making, if using time, 20 minutes or more (99213)294 services
- Imaging of retina (92134)218 services
- Imaging of optic nerve (92133)206 services
- New patient complete exam of visual system (92004)140 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 pressure68%
- High cholesterol64%
- Arthritis40%
- Diabetes25%
- Ischemic heart disease18%
- Anxiety18%
Practice locations
Addresses where Daniel R. Sliwinski is enrolled with Medicare (CMS data updated October 2, 2026).
- 100 S 23rd StFairfield, IA 52556 (515) 472‑6151
- 2930 Division StBurlington, IA 52601 (319) 754‑5518
Group practices
Medicare enrollment lists Daniel R. Sliwinski as a member of these groups (CMS data updated October 2, 2026).
- Wolfe Clinic Eye Centers LC8 clinicians in the group
- Sliwinski Family Eyecare2 clinicians in the group
Specialties
- Optometryprimary
Other optometrists in Fairfield
Clinicians with the same Medicare primary specialty in Fairfield, IA — not a recommendation.
Other clinicians in Wolfe Clinic Eye Centers LC
Medicare enrollment lists these clinicians in the same group practice — not a recommendation.
Clinician information
| Credential | OD |
|---|---|
| Optometry school | Illinois College Of Optometry At Chicago |
| Graduation year | 2011 (15 years since optometry school) |
| Gender (as listed) | Male |
| Medicare assignment | Accepts (Medicare-approved amount as full payment) |
| NPI (National Provider Identifier) | 1932495991 |
| 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