Quick answers
- Does Dan T. Nguyen accept Medicare assignment?
- Yes. Medicare's clinician data says Dan T. Nguyen 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 Dan T. Nguyen see?
- In 2024, CMS data shows 43 Original Medicare patients and 79 services for Dan T. Nguyen. This counts Original Medicare only and measures volume, not quality.
- What is Dan T. Nguyen's NPI number?
- 1811440555. 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 Dan T. 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 | 43 |
|---|---|
| Services billed to Medicare | 79 |
| Different services or procedures | 10 |
| Participating Medicare provider | Yes |
| Average age of these patients | 75 |
Most frequent services
- Photography of the retina (92250)23 services
- Established patient complete exam of visual system (92014)15 services
- Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more (99214)14 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 pressure74%
- Diabetes47%
- Arthritis42%
Practice locations
Addresses where Dan T. Nguyen is enrolled with Medicare (CMS data updated October 2, 2026).
- 10024 SE 240th St, Suite 220Kent, WA 98031 (253) 852‑5440
- 13112 NE 70th PlKirkland, WA 98033 (425) 822‑8253
Group practices
Medicare enrollment lists Dan T. Nguyen as a member of these groups (CMS data updated October 2, 2026).
- Lewis S Lim and Associates Od PS3 clinicians in the group
- Kirkland Vision Center LLC2 clinicians in the group
Specialties
- Optometryprimary
Other optometrists in Kent
Clinicians with the same Medicare primary specialty in Kent, WA — not a recommendation.
Other clinicians in Lewis S Lim and Associates Od PS
Medicare enrollment lists these clinicians in the same group practice — not a recommendation.
Clinician information
| Credential | OD |
|---|---|
| Optometry school | Illinois College Of Optometry At Chicago |
| Graduation year | 2016 (10 years since optometry school) |
| Gender (as listed) | Male |
| Medicare assignment | Accepts (Medicare-approved amount as full payment) |
| NPI (National Provider Identifier) | 1811440555 |
| 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