Ophthalmology · Antioch, CA
NPI
1023152378
Since 2007
Specialty
Ophthalmology
Code 207W00000X
Group practices
2
Medicare group memberships
Hospitals
0
Hospital affiliations
3747 Sunset Ln
Antioch, CA, 94509
Phone (925) 754-2300
Groups this clinician bills Medicare through
Medicare paid, 2024
$394K
5,820 services
Medicare patients, 2024
949
Average age 75
Drug cost, 2024
$50K
1,776 prescriptions
Company payments, 2025
$181
From 2 companies
Procedures and visits billed to Original Medicare, 2024
In 2024, the most common Medicare service billed by Ivan P Hwang was code 92014 (ophthalmological e&m), 709 times for 545 patients. In total Ivan P Hwang billed 5,820 services in 40 codes, and Medicare paid $394K.
| Code |
|---|
Official US government data: the national provider registry and Medicare enrollment records, linked by NPI. Last update of this record: 2007-07-08.
| Setting |
|---|
| Services |
|---|
| Patients |
|---|
| Paid per service |
|---|
| Medicare paid |
|---|
| 92014 Ophthalmological E&M | Office | 709 | 545 | $104.90 | $74K |
| 92012 Ophthalmological E&M | Office | 677 | 428 | $76.89 | $52K |
| 99212 Office E&M - Established | Office | 502 | 285 | $50.37 | $25K |
| 92136 Ultrasound - Nonspecific | Office | 206 | 106 | $42.69 | $8,794 |
| 92083 Vision, Hearing, and Speech Services | Office | 206 | 131 | $58.12 | $12K |
| 92025 Test - Miscellaneous | Office | 204 | 106 | $33.46 | $6,826 |
| 92133 Computerized Ophthalmic Imaging | Office | 192 | 122 | $30.09 | $5,777 |
| 92004 Ophthalmological E&M | Office | 169 | 169 | $105.78 | $18K |
| 92134 Computerized Ophthalmic Imaging | Office | 160 | 94 | $36.60 | $5,856 |
| 66984 Cataract Surgery | Facility | 121 | 74 | $506.55 | $61K |
| 92285 Standard X-ray | Office | 110 | 95 | $22.27 | $2,449 |
| 92082 Vision, Hearing, and Speech Services | Office | 86 | 51 | $44.10 | $3,793 |
| 66982 Cataract Surgery | Facility | 59 | 36 | $698.60 | $41K |
| 92025 Test - Miscellaneous | Facility | 42 | 35 | $16.94 | $712 |
| 92136 Ultrasound - Nonspecific | Facility | 41 | 34 | $26.63 | $1,092 |
By year: 2022 $329K for 4,852 services; 2023 $445K for 5,543 services; 2024 $394K for 5,820 services.
Medicare prescription drug claims, 2024
In 2024, the drug Ivan P Hwang prescribed most often to Medicare patients was Prednisolone Acetate, with 432 prescriptions and refills. In total Ivan P Hwang wrote 1,776 Medicare prescriptions that cost $50K.
| Drug | Claims | 30-day fills | Patients | Cost |
|---|---|---|---|---|
| Prednisolone Acetate Generic | 432 | 439 | 202 | $13K |
| Ofloxacin Generic | 353 | 356 | 198 | $3,827 |
| Bacitracin-Polymyxin Bacitracin/Polymyxin B Sulfate | 322 | 322 | 191 | $3,768 |
| Latanoprost Generic | 211 | 553 | 79 | $2,701 |
| Erythromycin Erythromycin Base | 135 | 135 | 96 | $1,458 |
| Timolol Maleate Generic | 62 | 134 | 20 | $711 |
| Dorzolamide-Timolol Dorzolamide Hcl/Timolol Maleat | 56 | 109 | 18 | $986 |
| Dorzolamide Hcl Generic | 55 | 124 | 21 | $979 |
| Brimonidine Tartrate Generic | 37 | 72 | 11 | $2,876 |
| Travoprost Generic | 19 | 39 | Under 11 | $2,347 |
| Fluorometholone Generic | 12 | 17 | 11 | $787 |
| Cyclosporine Generic | 11 | 21 | Under 11 | $1,602 |
| Polymyxin B Sul-Trimethoprim Polymyxin B Sulf/Trimethoprim | 11 | 16 | Under 11 | $101 |
Brand drugs: 607 claims; generic drugs: 1,169 claims.
Money and other things of value reported by the companies
In 2025, drug and medical device companies paid Ivan P Hwang $181 ($181 in general payments such as food, travel and fees) from 2 companies. The largest payer was Nova Eye, Inc. with $150.
| Company | Payments | Amount |
|---|---|---|
| Nova Eye, Inc. | 1 | $150 |
| Abbvie Inc. ABBV | 1 | $31.34 |
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.