Physician Profile
Based in Fountain Valley, CA, Tri M. Nguyen, M.D. is listed in the NPI registry under ophthalmology. Tri graduated from University of California, Geffen School of Medicine in 2000. According to Medicare claims data, Tri cared for 3,825 Medicare patients across 4,647 services. The services billed most often include established patient problem focused exam of visual system, extended exam of the back part of the eye with optic nerve drawing, and exam of the internal drainage system of eye.
Summarised automatically from public NPI registry and CMS Medicare data. Not written or reviewed by this provider. Claim this profile to replace it.
License numbers are what the provider reported to NPPES when the NPI was issued or updated. NPPES does not verify licensure; confirm current standing with the state licensing board.
Exactly as CMS reports it (National Downloadable File, Opt-Out Affidavits, Order & Referring). Not an insurance directory; confirm coverage with the office.
11100 WARNER AVE SUITE 104
Fountain Valley, CA 92708
Within Ophthalmology 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
Cornea and external eye
Eyelid and tear drainage
Refractive and focusing
Retina and vitreous
Eye injuries
Inflammation, neurologic, and orbit
Retina & vitreous
Most searched procedures
Examination and imaging
Cataract and lens
Corneal procedures
Eye diagnostics
Eye injuries
Eyelid surgery
Eyelid, tear duct, and muscle
Glaucoma
Laser eye surgery
Laser procedures
Laser vision correction
Refractive surgery
Tear duct & Orbit
4,647 services · 3,825 patients · 18 distinct codes
| Procedure | Type | Code | Services | Compared with peers |
|---|---|---|---|---|
| Closure of tear duct opening using plug | Procedure | 68761 |
75 | More often than most peers in Ophthalmology |
| Removal of cataract with insertion of prosthetic lens | Procedure | 66984 |
64 | Less often than most peers in Ophthalmology |
| Removal of eyelashes using forceps | Procedure | 67820 |
28 | More often than most peers in Ophthalmology |
| Ultrasound scan to determine eye length and lens power | Imaging | 76519 |
41 | As often as other peers in Ophthalmology |
| Ultrasound scan of cornea to determine thickness | Imaging | 76514 |
22 | As often as other peers in Ophthalmology |
| Established patient problem focused exam of visual system | Treatment | 92012 |
867 | More than most peers in Ophthalmology |
| Extended exam of the back part of the eye with optic nerve drawing | Treatment | 92202 |
748 | More often than most peers in Ophthalmology |
| Exam of the internal drainage system of eye | Treatment | 92020 |
508 | More than most peers in Ophthalmology |
| Imaging of retina | Treatment | 92134 |
486 | More often than most peers in Ophthalmology |
| Established patient complete exam of visual system | Treatment | 92014 |
459 | More often than most peers in Ophthalmology |
Source: CMS Medicare public data. Shows how often procedures were billed — not quality of care or patient satisfaction.
Tri M. Nguyen is an eye doctor in Fountain Valley, CA. That is the designation recorded for this NPI in the federal registry, where it is listed as “Ophthalmology”.
NPI registry
Tri M. Nguyen is listed at 11100 Warner Ave Suite 104, Fountain Valley, CA 92708. Addresses come from the NPI registry and can lag a move, so confirm before travelling.
NPI registry
The number on file is (714) 435-1500. Guide.md cannot book appointments or pass on messages — please call the office directly.
NPI registry
Tri M. Nguyen's National Provider Identifier is 1669436002. 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
Tri M. Nguyen attended University of California, Geffen School of Medicine, graduating in 2000. This comes from the CMS National Downloadable File.
CMS public data
Tri M. Nguyen has 26 years experience. Calculated from a graduation year of 2000, reported in the CMS National Downloadable File.
CMS public data
According to Medicare billing data, Tri M. Nguyen performs procedures including closure of tear duct opening using plug, removal of cataract with insertion of prosthetic lens and removal of eyelashes using forceps; reads or performs imaging such as ultrasound scan to determine eye length and lens power and ultrasound scan of cornea to determine thickness; provides treatments such as established patient problem focused exam of visual system and extended exam of the back part of the eye with optic nerve drawing, 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 Tri M. Nguyen. If this is you, claiming it is free.
Guide.md
Provider data sourced from the NPPES NPI Registry and CMS public datasets. Information is provided for reference and is not medical advice.