Ophthalmology · Fountain Valley, CA
NPI
1669436002
Since 2006
Specialty
Ophthalmology
Code 207W00000X
Group practices
1
Medicare group memberships
Hospitals
0
Hospital affiliations
11100 Warner Ave, Suite 104
Fountain Valley, CA, 92708
Phone (714) 435-1500
Groups this clinician bills Medicare through
Medicare paid, 2024
$271K
4,741 services
Medicare patients, 2024
654
Average age 77
Drug cost, 2024
$2.0M
4,227 prescriptions
Company payments, 2025
$1,254
From 11 companies
Procedures and visits billed to Original Medicare, 2024
In 2024, the most common Medicare service billed by Tri M Nguyen was code 92012 (ophthalmological e&m), 867 times for 500 patients. In total Tri M Nguyen billed 4,741 services in 39 codes, and Medicare paid $271K.
| Code |
|---|
Official US government data: the national provider registry and Medicare enrollment records, linked by NPI. Last update of this record: 2026-07-13.
| Setting |
|---|
| Services |
|---|
| Patients |
|---|
| Paid per service |
|---|
| Medicare paid |
|---|
| 92012 Ophthalmological E&M | Office | 867 | 500 | $77.47 | $67K |
| 92202 Ophthalmological E&M | Office | 748 | 586 | $12.87 | $9,623 |
| 92020 Ophthalmological E&M | Office | 508 | 506 | $24.18 | $12K |
| 92134 Computerized Ophthalmic Imaging | Office | 486 | 392 | $35.01 | $17K |
| 92014 Ophthalmological E&M | Office | 459 | 456 | $102.84 | $47K |
| 92250 Angiography | Office | 406 | 353 | $31.84 | $13K |
| 92133 Computerized Ophthalmic Imaging | Office | 340 | 328 | $29.61 | $10K |
| 92083 Vision, Hearing, and Speech Services | Office | 340 | 325 | $57.90 | $20K |
| 92136 Ultrasound - Nonspecific | Office | 82 | 56 | $36.03 | $2,954 |
| 68761 Eye | Office | 75 | 43 | $114.45 | $8,584 |
| 92004 Ophthalmological E&M | Office | 72 | 72 | $111.87 | $8,055 |
| 66984 Cataract Surgery | Facility | 64 | 41 | $504.43 | $32K |
| 99211 Office E&M - Established | Office | 61 | 41 | $22.29 | $1,359 |
| 76519 Ultrasound - Nonspecific | Office | 41 | 41 | $64.47 | $2,643 |
| 67820 Eye | Office | 28 | 17 | $16.26 | $455 |
By year: 2022 $231K for 4,270 services; 2023 $226K for 4,417 services; 2024 $271K for 4,741 services.
Medicare prescription drug claims, 2024
In 2024, the drug Tri M Nguyen prescribed most often to Medicare patients was Restasis (Cyclosporine), with 1,021 prescriptions and refills. In total Tri M Nguyen wrote 4,227 Medicare prescriptions that cost $2.0M.
| Drug | Claims | 30-day fills | Patients | Cost |
|---|---|---|---|---|
| Restasis Cyclosporine | 1,021 | 1,192 | 203 | $735K |
| Cyclosporine Generic | 780 | 1,688 | 170 | $469K |
| Cequa Cyclosporine | 564 | 633 | 99 | $356K |
| Combigan Brimonidine Tartrate/Timolol | 204 | 231 | 41 | $47K |
| Prednisolone Acetate Generic | 176 | 186 | 67 | $5,323 |
| Vyzulta Latanoprostene Bunod | 125 | 176 | 30 | $52K |
| Simbrinza Brinzolamide/Brimonidine Tart | 116 | 122 | 13 | $23K |
| Bromsite Bromfenac Sodium | 109 | 153 | 39 | $28K |
| Brimonidine Tartrate-Timolol Brimonidine Tartrate/Timolol | 83 | 149 | 25 | $18K |
| Moxifloxacin Moxifloxacin Hcl | 71 | 72 | 48 | $1,253 |
| Doxycycline Hyclate Generic | 70 | 86 | 12 | $2,034 |
| Dorzolamide-Timolol Dorzolamide Hcl/Timolol Maleat | 59 | 100 | 15 | $913 |
| Vevye Cyclosporine | 52 | 71 | 19 | $46K |
| Lotemax Sm Loteprednol Etabonate | 51 | 51 | 23 | $13K |
| Dorzolamide-Timolol Dorzolamide/Timolol/Pf | 41 | 59 | Under 11 | $4,972 |
Brand drugs: 3,603 claims; generic drugs: 624 claims.
Money and other things of value reported by the companies
In 2025, drug and medical device companies paid Tri M Nguyen $1,254 ($1,254 in general payments such as food, travel and fees) from 11 companies. The largest payer was Alcon Vision LLC with $377.
| Company | Payments | Amount |
|---|---|---|
| Alcon Vision LLC ALC | 11 | $377 |
| Sun Pharmaceutical Industries Inc. SUNPHARMA.NS | 13 | $337 |
| Bausch & Lomb Americas Inc. BLCO | 7 | $136 |
| Rayner Intraocular Lenses Limited | 3 | $92.57 |
| Harrow Eye, LLC | 3 | $84.26 |
| Mallinckrodt Hospital Products Inc. | 2 | $60.3 |
| Abbvie Inc. ABBV | 2 | $50.45 |
| Amgen Inc. AMGN | 2 | $33.84 |
| Oyster Point Pharma, Inc. | 1 | $31.41 |
| Johnson & Johnson Surgical Vision, Inc. JNJ | 1 | $26.69 |
Official US government data on Original Medicare services, Medicare prescription drug plans and the payments drug and device companies must report. Services with fewer than 11 patients and drugs with fewer than 11 claims are not published. Procedure codes are shown by number with their public category.