Quick answers
- Does Wen-Shin Lee accept Medicare assignment?
- Yes. Medicare's clinician data says Wen-Shin Lee 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 Wen-Shin Lee see?
- In 2024, CMS data shows 743 Original Medicare patients and 3,362 services for Wen-Shin Lee. This counts Original Medicare only and measures volume, not quality.
- What is Wen-Shin Lee's NPI number?
- 1184068496. 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 Wen-Shin Lee, 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 | 743 |
|---|---|
| Services billed to Medicare | 3,362 |
| Different services or procedures | 41 |
| Participating Medicare provider | Yes |
| Average age of these patients | 75 |
Most frequent services
- Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more (99214)813 services
- Exam of visual field with extended testing (92083)615 services
- Imaging of optic nerve (92133)501 services
- Established patient office or other outpatient visit with low level od decision making, if using time, 20 minutes or more (99213)320 services
- Exam of the internal drainage system of eye (92020)165 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 cholesterol73%
- High blood pressure65%
- Arthritis37%
- Diabetes31%
- Ischemic heart disease22%
- Chronic kidney disease22%
Practice locations
Addresses where Wen-Shin Lee is enrolled with Medicare (CMS data updated October 2, 2026).
- 1055 S Stapley DrMesa, AZ 85204 (480) 833‑9100
- 1121 S Gilbert Rd, Suite 103Mesa, AZ 85204 (480) 854‑3310
- 14239 W Bell Rd, Suite 216and219Surprise, AZ 85374 (602) 955‑1000
- 4800 N 22nd St, Suite 120Phoenix, AZ 85016 (602) 955‑1000
Group practices
Medicare enrollment lists Wen-Shin Lee as a member of these groups (CMS data updated October 2, 2026).
- Southwestern Eye Center Ltd116 clinicians in the group
- Barnet Dulaney Perkins Eye Center, PC105 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 Southwestern Eye Center Ltd
Medicare enrollment lists these clinicians in the same group practice — not a recommendation.
Clinician information
| Credential | MD |
|---|---|
| Graduation year | 2013 (13 years since medical school) |
| Gender (as listed) | Male |
| Medicare assignment | Accepts (Medicare-approved amount as full payment) |
| NPI (National Provider Identifier) | 1184068496 |
| 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