Provider Profile
Based in Portland, OR, Tuan T. Nguyen, OD is listed in the NPI registry under optometry. Tuan graduated from Southern California College of Optometry in 2004. Tuan is also listed as specializing in optometrist. According to Medicare claims data, Tuan cared for 38 Medicare patients across 48 services. The services billed most often include established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more and photography of the retina. NPI 1194737916 identifies this record in the national registry.
Factual summary compiled by Guide.md from public records; not written by this provider.
Exactly as CMS reports it (National Downloadable File, Opt-Out Affidavits, Order & Referring). Not an insurance directory; confirm coverage with the office.
1274 SE 182ND AVE
Portland, OR 97233
Within Optometry generally. Availability varies by clinician, training and location — this profile has not been claimed, so nothing here is a personal claim by the provider.
Most searched conditions
Contact lens issues
Cornea conditions
Corneal issues
Eye conditions
Eye discomfort
Eye diseases
Eye infections
Eye inflammation
Eye injuries
Eye irritation
Eye surface issues
Eyelid conditions
Eyelid issues
Pediatric eye conditions
Pupil issues
Tear duct issues
Vision changes
Most searched procedures
Contact lens exams
Dry eye treatments
Examinations
Eyelid care
Eyelid treatments
General exams
Glasses and eyewear
Imaging & tests
Imaging and scans
Minor procedures
Specialty lenses
Surgical evaluations
Tear duct procedures
Therapy
Urgent care
Vision correction
48 services · 38 patients · 2 distinct codes
| Procedure | Type | Code | Services | Compared with peers |
|---|---|---|---|---|
| Photography of the retina | Treatment | 92250 |
21 | Less often than most peers in Optometry |
| Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more | Office visit | 99214 |
27 | Less often than most peers in Optometry |
Source: CMS Medicare public data. Shows how often procedures were billed — not quality of care or patient satisfaction.
Dr. Nguyen is an optometry in Portland, OR. That is the designation recorded for this NPI in the federal registry.
NPI registry
Dr. Nguyen is listed at 1274 Se 182Nd Ave, Portland, OR 97233. Addresses come from the NPI registry and can lag a move, so confirm before travelling.
NPI registry
The number on file is (503) 669-1992. Contact the office directly to confirm availability and scheduling.
NPI registry
Dr. Nguyen's National Provider Identifier is 1194737916. It is issued by the Centers for Medicare & Medicaid Services and is unique and permanent — it does not change if they move practice.
NPI registry
Dr. Nguyen attended Southern California College of Optometry, graduating in 2004. This comes from the CMS National Downloadable File.
CMS public data
Dr. Nguyen has 22 years experience. Calculated from a graduation year of 2004, reported in the CMS National Downloadable File.
CMS public data
According to Medicare billing data, Dr. Nguyen provides treatments such as photography of the retina, alongside routine visits and testing. This reflects Medicare patients only and is billing volume, not a measure of quality.
Medicare claims
Not yet. This profile is built from public federal data and has not been confirmed by Dr. Nguyen. If this is you, claiming it is free.
Guide.md
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