Quick answers
- Does Quang Nguyen accept Medicare assignment?
- Medicare's clinician data says Quang Nguyen may accept Medicare assignment (as of October 2, 2026). Ask the office whether they accept it for your visit.
- How many Medicare patients does Quang Nguyen see?
- In 2024, CMS data shows 67 Original Medicare patients and 102 services for Quang Nguyen. This counts Original Medicare only and measures volume, not quality.
- What is Quang Nguyen's NPI number?
- 1558703165. 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 Quang Nguyen, 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 | 67 |
|---|---|
| Services billed to Medicare | 102 |
| Different services or procedures | 13 |
| Participating Medicare provider | Yes |
| Average age of these patients | 68 |
Most frequent services
- Established patient complete exam of visual system (92014)20 services
- New patient complete exam of visual system (92004)16 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 pressure69%
- High cholesterol52%
- Diabetes28%
- Arthritis28%
- Depression21%
- Anxiety21%
Practice locations
Addresses where Quang Nguyen is enrolled with Medicare (CMS data updated October 2, 2026).
- 11314 NE 124th StKirkland, WA 98034 (425) 821‑5050
- 2112 Madison St, Suite AEverett, WA 98203 (425) 252‑2020
Group practices
Medicare enrollment lists Quang Nguyen as a member of this group (CMS data updated October 2, 2026).
- Qteyes PLLC2 clinicians in the group
Specialties
- Optometryprimary
Other optometrists in Kirkland
Clinicians with the same Medicare primary specialty in Kirkland, WA — not a recommendation.
Clinician information
| Credential | OD |
|---|---|
| Optometry school | Illinois College Of Optometry At Chicago |
| Graduation year | 2013 (13 years since optometry school) |
| Gender (as listed) | Male |
| Medicare assignment | May accept for some services |
| NPI (National Provider Identifier) | 1558703165 |
| 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