Quick answers
- Does Willington S. Ku accept Medicare assignment?
- Yes. Medicare's clinician data says Willington S. Ku 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 Willington S. Ku see?
- In 2024, CMS data shows 1,475 Original Medicare patients and 3,675 services for Willington S. Ku. This counts Original Medicare only and measures volume, not quality.
- What is Willington S. Ku's NPI number?
- 1518975523. 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 Willington S. Ku, 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 | 1,475 |
|---|---|
| Services billed to Medicare | 3,675 |
| Different services or procedures | 26 |
| Participating Medicare provider | Yes |
| Average age of these patients | 76 |
Most frequent services
- Established patient complete exam of visual system (92014)1,180 services
- Established patient problem focused exam of visual system (92012)540 services
- Measurement of corneal curvature and depth of eye (92136)374 services
- Imaging of retina (92134)324 services
- Exam of visual field with extended testing (92083)303 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%
- Arthritis46%
- Diabetes33%
- Ischemic heart disease29%
- Chronic kidney disease24%
Practice locations
Addresses where Willington S. Ku is enrolled with Medicare (CMS data updated October 2, 2026).
- 1850 Lakepointe Dr, Suite 200Lewisville, TX 75057 (972) 436‑5040
- 6020 W Parker Rd, Suite 250Plano, TX 75093 (972) 378‑5117
Group practices
Medicare enrollment lists Willington S. Ku as a member of this group (CMS data updated October 2, 2026).
- WSK Eye Associates PA5 clinicians in the group
Specialties
- Ophthalmologyprimary
Other ophthalmologists in Lewisville
Clinicians with the same Medicare primary specialty in Lewisville, TX — not a recommendation.
Other clinicians in WSK Eye Associates PA
Medicare enrollment lists these clinicians in the same group practice — not a recommendation.
Clinician information
| Credential | MD |
|---|---|
| Medical school | Indiana University School Of Medicine |
| Graduation year | 1988 (38 years since medical school) |
| Gender (as listed) | Male |
| Medicare assignment | Accepts (Medicare-approved amount as full payment) |
| NPI (National Provider Identifier) | 1518975523 |
| 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