Ophthalmology · Westminster, CA
NPI
1831133511
Since 2006
Specialty
Ophthalmology
Code 207W00000X
Group practices
1
Medicare group memberships
Hospitals
0
Hospital affiliations
10362 Bolsa Ave, Ste 201
Westminster, CA, 92683
Phone (714) 531-4804
Groups this clinician bills Medicare through
Medicare paid, 2024
$375K
4,156 services
Medicare patients, 2024
1,342
Average age 77
Drug cost, 2024
$3.6M
9,947 prescriptions
Company payments, 2025
$2,674
From 11 companies
Procedures and visits billed to Original Medicare, 2024
In 2024, the most common Medicare service billed by Thanh-Lan T Quan was code 92012 (ophthalmological e&m), 1,160 times for 661 patients. In total Thanh-Lan T Quan billed 4,156 services in 36 codes, and Medicare paid $375K.
| Code |
|---|
Official US government data: the national provider registry and Medicare enrollment records, linked by NPI. Last update of this record: 2008-04-08.
| Setting |
|---|
| Services |
|---|
| Patients |
|---|
| Paid per service |
|---|
| Medicare paid |
|---|
| 92012 Ophthalmological E&M | Office | 1,160 | 661 | $77.38 | $90K |
| 92014 Ophthalmological E&M | Office | 812 | 811 | $108.63 | $88K |
| 92133 Computerized Ophthalmic Imaging | Office | 488 | 478 | $31.41 | $15K |
| 92083 Vision, Hearing, and Speech Services | Office | 427 | 406 | $55.97 | $24K |
| 92020 Ophthalmological E&M | Office | 213 | 197 | $23.54 | $5,014 |
| 99214 Office E&M - Established | Office | 191 | 184 | $106.95 | $20K |
| 99213 Office E&M - Established | Office | 176 | 141 | $78.16 | $14K |
| 92136 Ultrasound - Nonspecific | Office | 109 | 85 | $36.05 | $3,929 |
| 92134 Computerized Ophthalmic Imaging | Office | 98 | 92 | $35.32 | $3,462 |
| 66984 Cataract Surgery | Facility | 83 | 66 | $441.50 | $37K |
| 92004 Ophthalmological E&M | Office | 81 | 81 | $126.56 | $10K |
| 76514 Ultrasound - Nonspecific | Office | 47 | 46 | $9.06 | $426 |
| 65855 Fluid Flow and Drainage of Eye (Any Method) | Office | 42 | 41 | $212.39 | $8,920 |
| 68761 Eye | Office | 42 | 23 | $97.22 | $4,083 |
| 66821 Cataract Surgery | Office | 41 | 35 | $293.43 | $12K |
By year: 2022 $408K for 4,392 services; 2023 $372K for 4,018 services; 2024 $375K for 4,156 services.
Medicare prescription drug claims, 2024
In 2024, the drug Thanh-Lan T Quan prescribed most often to Medicare patients was Lumigan (Bimatoprost), with 1,128 prescriptions and refills. In total Thanh-Lan T Quan wrote 9,947 Medicare prescriptions that cost $3.6M.
| Drug | Claims | 30-day fills | Patients | Cost |
|---|---|---|---|---|
| Lumigan Bimatoprost | 1,128 | 1,726 | 200 | $451K |
| Restasis Cyclosporine | 987 | 1,469 | 234 | $917K |
| Dorzolamide-Timolol Dorzolamide Hcl/Timolol Maleat | 924 | 1,841 | 230 | $17K |
| Cyclosporine Generic | 763 | 1,260 | 200 | $348K |
| Xiidra Lifitegrast | 653 | 863 | 155 | $576K |
| Latanoprost Generic | 566 | 1,096 | 157 | $5,829 |
| Vyzulta Latanoprostene Bunod | 519 | 732 | 96 | $196K |
| Azelastine Hcl Generic | 438 | 457 | 135 | $5,478 |
| Cequa Cyclosporine | 416 | 517 | 62 | $292K |
| Ketorolac Tromethamine Generic | 332 | 506 | 273 | $4,302 |
| Rhopressa Netarsudil Mesylate | 271 | 376 | 50 | $120K |
| Prednisolone Acetate Generic | 262 | 379 | 197 | $7,818 |
| Brimonidine Tartrate Generic | 259 | 477 | 69 | $19K |
| Dorzolamide Hcl Generic | 247 | 431 | 62 | $4,152 |
| Moxifloxacin Moxifloxacin Hcl | 202 | 202 | 163 | $3,593 |
Brand drugs: 6,391 claims; generic drugs: 3,556 claims.
Money and other things of value reported by the companies
In 2025, drug and medical device companies paid Thanh-Lan T Quan $2,674 ($2,674 in general payments such as food, travel and fees) from 11 companies. The largest payer was Alcon Vision LLC with $728.
| Company | Payments | Amount |
|---|---|---|
| Alcon Vision LLC ALC | 12 | $728 |
| Amgen Inc. AMGN | 27 | $591 |
| Bausch & Lomb Americas Inc. BLCO | 10 | $376 |
| Sun Pharmaceutical Industries Inc. SUNPHARMA.NS | 7 | $274 |
| Abbvie Inc. ABBV | 7 | $138 |
| Galderma Laboratories, L.P. GALD.SW | 1 | $127 |
| LEO Pharma Inc. | 1 | $122 |
| Harrow Eye, LLC | 5 | $107 |
| Oyster Point Pharma, Inc. | 5 | $92.85 |
| Dexcom, Inc. DXCM | 1 | $79.76 |
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.