Quick answers
- Does William K. Wong Jr. accept Medicare assignment?
- Yes. Medicare's clinician data says William K. Wong Jr. 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 William K. Wong Jr. see?
- In 2024, CMS data shows 526 Original Medicare patients and 2,985 services for William K. Wong Jr.. This counts Original Medicare only and measures volume, not quality.
- What is William K. Wong Jr.'s NPI number?
- 1144270042. 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 William K. Wong Jr., 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 | 526 |
|---|---|
| Services billed to Medicare | 2,985 |
| Different services or procedures | 49 |
| Participating Medicare provider | Yes |
| Average age of these patients | 78 |
Most frequent services
- Established patient office or other outpatient visit with high level of medical decision making, if using time, 40 minutes or more (99215)398 services
- Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more (99214)348 services
- Established patient complete exam of visual system (92014)294 services
- Photography of the retina (92250)232 services
- Microfluid analysis of tears (83861)193 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%
- Diabetes39%
- Chronic kidney disease37%
- Arthritis29%
- Osteoporosis22%
Practice locations
Addresses where William K. Wong Jr. is enrolled with Medicare (CMS data updated October 2, 2026).
- 99 -128 Aiea Heights Dr, Suite 703Aiea, HI 96701 (808) 487‑7938
Group practices
Medicare enrollment lists William K. Wong Jr. as a member of this group (CMS data updated October 2, 2026).
- Hawaii Vision Clinic Inc2 clinicians in the group
Specialties
- Ophthalmologyprimary
Other ophthalmologists in Aiea
Clinicians with the same Medicare primary specialty in Aiea, HI — not a recommendation.
Other clinicians in Hawaii Vision Clinic Inc
Medicare enrollment lists these clinicians in the same group practice — not a recommendation.
Clinician information
| Credential | MD |
|---|---|
| Medical school | Jefferson Medical College Of Thomas Jefferson University |
| Graduation year | 1997 (29 years since medical school) |
| Gender (as listed) | Male |
| Medicare assignment | Accepts (Medicare-approved amount as full payment) |
| NPI (National Provider Identifier) | 1144270042 |
| 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