Doctor profile · Federal record

Dr. Triet Nguyen, M.D.

Ophthalmology Physician (CMS: Ophthalmology) · Westminster, CA

  • NPI 1306807789
  • Accepts Medicare
  • MIPS 0.0 / 100 · 2023
  • 37 yrs in practice
  • Male
  • Solo practice
  • No sanctions

Practice & contact

NPPES Updated May 11, 2026
Primary practice
9286 Bolsa Ave
Westminster, CA 926835557
(714) 899-0054
fax (714) 899-0117
Mailing address
Po Box 2247
Westminster, CA 926842247

Credentials & registration

NPPES · NUCC
NPI registered
March 2006 — 20 yrs on file
Profile last updated
February 7, 2011
Year of graduation
1989 — 37 yrs since
Specialty taxonomy
207W00000X — NUCC code
State license (1)
California #G76262
Medicaid
CA #00G762620

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1306807789. Last verified May 11, 2026.

Medicare procedures · 2023

Top services delivered

CMS Provider Utilization
Total services
5,360
Distinct HCPCS
10
Medicare allowed
$415,375
HCPCS Description Services Patients Avg allowed
92133 Imaging of optic nerve 790 540 $39
92014 Established patient complete exam of visual system 787 477 $98
92020 Exam of the internal drainage system of eye 771 512 $29
92250 Photography of the retina 602 424 $36
92083 Exam of visual field with extended testing 598 422 $67
92012 Established patient problem focused exam of visual system 510 360 $74
92202 Extended exam of the back part of the eye with optic nerve drawing 476 348 $16
92201 Extended exam of the back part of the eye with retinal drawing 360 250 $25
92004 New patient complete exam of visual system 108 108 $158
66761 Creation of eye fluid drainage tracts in iris using a laser, per session 77 41 $316

In context: peer comparison

Among 6 peers in Westminster Ophthalmology Physician, average services per provider: 251. This provider delivers 21× the peer median.

Open Payments

Industry payments received

CMS Open Payments
All-time total
$7,866
Transactions
250
Manufacturers
15
Payer (manufacturer) Industry Txns Amount
Bausch & Lomb Americas INC. 70 $1,823.33
Mallinckrodt Hospital Products INC. 19 $933.17
Tarsus Pharmaceuticals, INC. 26 $849.86
Alcon Vision LLC 29 $766.94
Abbvie INC. 23 $740.27
Oyster Point Pharma, INC. 16 $557.23
Harrow Eye, LLC 7 $521.60
Amgen INC. 18 $403.20
Ani Pharmaceuticals, INC. 16 $320.63
Sun Pharmaceutical Industries INC. 9 $235.19
Dompe US, INC. 8 $208.61
Sight Sciences, INC. 2 $181.62
RxSight INC 1 $143.31
Thea Pharma INC. 5 $104.92
Lensar, INC. 1 $75.80

By nature of payment

Food and Beverage
$7,866

Medicare Part D · 2023

Top prescriptions

CMS Part D Prescriber
Total claims
11,210
Patients
2,356
Total drug cost
$7,876,763
Drug Type Claims Patients Total cost
Cequa (Cyclosporine) Brand 2,458 595 $2,310,177
Xiidra (Lifitegrast) Brand 1,559 364 $1,807,831
Prolensa (Bromfenac Sodium) Brand 1,453 260 $553,415
Zerviate (Cetirizine Hcl) Brand 1,072 234 $813,967
Tyrvaya (Varenicline Tartrate) Brand 949 177 $732,122
Bromsite (Bromfenac Sodium) Brand 910 142 $287,099
Rocklatan (Netarsudil Mesylat/Latanoprost) Brand 576 92 $283,553
Lumigan (Bimatoprost) Brand 570 107 $258,622
Combigan (Brimonidine Tartrate/Timolol) Brand 358 60 $136,521
Rhopressa (Netarsudil Mesylate) Brand 350 65 $203,552

Frequently asked questions

Auto-generated from federal data
What is Dr. Triet Nguyen's medical specialty?
Dr. Triet Nguyen practices Ophthalmology Physician in Westminster, CA.
Where does Dr. Triet Nguyen practice?
Dr. Triet Nguyen practices at 9286 Bolsa Ave, Westminster, CA 926835557. Office phone: 7148990054.
What is Dr. Triet Nguyen's NPI?
Dr. Triet Nguyen's National Provider Identifier (NPI) is 1306807789, issued by NPPES.
Does Dr. Triet Nguyen accept Medicare assignment?
Yes. Dr. Triet Nguyen accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Triet Nguyen commonly perform?
Top Medicare-reported procedures in 2023: Imaging of optic nerve (HCPCS 92133); Established patient complete exam of visual system (HCPCS 92014); Exam of the internal drainage system of eye (HCPCS 92020). Source: CMS Medicare Physician & Other Practitioners file.