Ophthalmology · New York, NY
NPI
1588703995
Since 2007
Specialty
Ophthalmology
Code 207W00000X
Group practices
1
Medicare group memberships
Hospitals
0
Hospital affiliations
217 Grand St # 302
New York, NY, 10013
Phone (212) 965-8883
Groups this clinician bills Medicare through
Medicare paid, 2024
$112K
1,593 services
Medicare patients, 2024
273
Average age 76
Drug cost, 2024
$4.8M
14,275 prescriptions
Company payments, 2025
$2,186
From 11 companies
Procedures and visits billed to Original Medicare, 2024
In 2024, the most common Medicare service billed by Keith C Chang was code 92014 (ophthalmological e&m), 320 times for 204 patients. In total Keith C Chang billed 1,593 services in 29 codes, and Medicare paid $112K.
| Code |
|---|
Official US government data: the national provider registry and Medicare enrollment records, linked by NPI. Last update of this record: 2007-11-19.
| Setting |
|---|
| Services |
|---|
| Patients |
|---|
| Paid per service |
|---|
| Medicare paid |
|---|
| 92014 Ophthalmological E&M | Office | 320 | 204 | $105.67 | $34K |
| 92012 Ophthalmological E&M | Office | 185 | 90 | $76.33 | $14K |
| 92250 Angiography | Office | 150 | 146 | $31.33 | $4,700 |
| 92202 Ophthalmological E&M | Office | 143 | 131 | $13.08 | $1,871 |
| 92134 Computerized Ophthalmic Imaging | Office | 134 | 100 | $35.13 | $4,708 |
| 92133 Computerized Ophthalmic Imaging | Office | 130 | 97 | $29.88 | $3,885 |
| 92201 Ophthalmological E&M | Office | 117 | 91 | $21.08 | $2,466 |
| 92083 Vision, Hearing, and Speech Services | Office | 113 | 86 | $52.99 | $5,988 |
| 92020 Ophthalmological E&M | Office | 70 | 67 | $22.49 | $1,574 |
| 92004 Ophthalmological E&M | Office | 55 | 55 | $121.88 | $6,703 |
| 76519 Ultrasound - Nonspecific | Office | 44 | 15 | $29.05 | $1,278 |
| 66761 Fluid Flow and Drainage of Eye (Any Method) | Office | 20 | 12 | $267.86 | $5,357 |
| 95060 Test - Miscellaneous | Office | 17 | 16 | $36.12 | $614 |
| 76514 Ultrasound - Nonspecific | Office | 11 | 11 | $8.81 | $96.89 |
By year: 2022 $131K for 1,881 services; 2023 $140K for 1,917 services; 2024 $112K for 1,593 services.
Medicare prescription drug claims, 2024
In 2024, the drug Keith C Chang prescribed most often to Medicare patients was Restasis (Cyclosporine), with 2,605 prescriptions and refills. In total Keith C Chang wrote 14,275 Medicare prescriptions that cost $4.8M.
| Drug | Claims | 30-day fills | Patients | Cost |
|---|---|---|---|---|
| Restasis Cyclosporine | 2,605 | 4,760 | 615 | $3.0M |
| Azelastine Hcl Generic | 1,857 | 1,912 | 408 | $22K |
| Bepotastine Besilate Generic | 1,596 | 1,818 | 321 | $205K |
| Latanoprost Generic | 1,196 | 1,826 | 217 | $11K |
| Prednisolone Acetate Generic | 1,169 | 1,178 | 693 | $35K |
| Neomycin-Polymyxin-Dexameth Neomycin/Polymyxin B/Dexametha | 1,108 | 1,120 | 817 | $12K |
| Lumigan Bimatoprost | 577 | 1,123 | 145 | $304K |
| Dorzolamide-Timolol Dorzolamide Hcl/Timolol Maleat | 482 | 878 | 112 | $5,784 |
| Ketorolac Tromethamine Generic | 453 | 456 | 302 | $12K |
| Moxifloxacin Moxifloxacin Hcl | 427 | 427 | 298 | $13K |
| Xiidra Lifitegrast | 404 | 714 | 106 | $490K |
| Vyzulta Latanoprostene Bunod | 321 | 356 | 43 | $88K |
| Cyclosporine Generic | 268 | 594 | 103 | $158K |
| Timolol Maleate Generic | 235 | 414 | 45 | $3,890 |
| Alphagan P Brimonidine Tartrate | 179 | 296 | 37 | $70K |
Brand drugs: 7,674 claims; generic drugs: 6,601 claims.
Money and other things of value reported by the companies
In 2025, drug and medical device companies paid Keith C Chang $2,186 ($2,186 in general payments such as food, travel and fees) from 11 companies. The largest payer was Abbvie Inc. with $616.
| Company | Payments | Amount |
|---|---|---|
| Abbvie Inc. ABBV | 20 | $616 |
| Alcon Vision LLC ALC | 16 | $612 |
| Harrow Eye, LLC | 7 | $259 |
| Bausch & Lomb Americas Inc. BLCO | 4 | $198 |
| Tarsus Pharmaceuticals, Inc. TARS | 8 | $156 |
| Sun Pharmaceutical Industries Inc. SUNPHARMA.NS | 2 | $142 |
| Amgen Inc. AMGN | 5 | $101 |
| Oyster Point Pharma, Inc. | 2 | $45.6 |
| Thea Pharma Inc. | 1 | $22.75 |
| Dompe US, Inc. | 1 | $17.18 |
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.