Quick answers
- Does Curtis R. Winkler accept Medicare assignment?
- Yes. Medicare's clinician data says Curtis R. Winkler 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 Curtis R. Winkler see?
- In 2024, CMS data shows 954 Original Medicare patients and 2,305 services for Curtis R. Winkler. This counts Original Medicare only and measures volume, not quality.
- What is Curtis R. Winkler's NPI number?
- 1841261864. 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 Curtis R. Winkler, 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 | 954 |
|---|---|
| Services billed to Medicare | 2,305 |
| Different services or procedures | 25 |
| Participating Medicare provider | Yes |
| Average age of these patients | 77 |
Most frequent services
- Established patient complete exam of visual system (92014)702 services
- Imaging of retina (92134)310 services
- Established patient office or other outpatient visit with low level od decision making, if using time, 20 minutes or more (99213)266 services
- Imaging of optic nerve (92133)153 services
- Measurement of corneal curvature and depth of eye (92136)153 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 cholesterol75%
- High blood pressure73%
- Arthritis46%
- Diabetes32%
- Ischemic heart disease29%
- Chronic kidney disease29%
Practice locations
Addresses where Curtis R. Winkler is enrolled with Medicare (CMS data updated October 2, 2026).
- 2855 E Brown Rd, Suite 10Mesa, AZ 85213 (480) 994‑5012
Group practices
Medicare enrollment lists Curtis R. Winkler as a member of this group (CMS data updated October 2, 2026).
- Associated Ophthalmologists Ltd16 clinicians in the group
Specialties
- Ophthalmologyprimary
Other ophthalmologists in Mesa
Clinicians with the same Medicare primary specialty in Mesa, AZ — not a recommendation.
Other clinicians in Associated Ophthalmologists Ltd
Medicare enrollment lists these clinicians in the same group practice — not a recommendation.
Clinician information
| Credential | MD |
|---|---|
| Medical school | University Of Arizona College Of Medicine |
| Graduation year | 1989 (37 years since medical school) |
| Gender (as listed) | Male |
| Medicare assignment | Accepts (Medicare-approved amount as full payment) |
| NPI (National Provider Identifier) | 1841261864 |
| 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