Ophthalmology · Boston, MA
NPI
1366627879
Since 2008
Specialty
Ophthalmology
Code 207W00000X
Group practices
1
Medicare group memberships
Hospitals
0
Hospital affiliations
750 Washington St, Tufts-Nemc #450
Boston, MA, 02111
Phone (617) 636-4600
Groups this clinician bills Medicare through
Medicare paid
-
No Medicare services published
Medicare patients
-
Drug cost, 2024
$271K
3,427 prescriptions
Company payments, 2025
$110
From 1 companies
Medicare prescription drug claims, 2024
In 2024, the drug John Y Chen prescribed most often to Medicare patients was Latanoprost, with 809 prescriptions and refills. In total John Y Chen wrote 3,427 Medicare prescriptions that cost $271K.
| Drug |
|---|
Official US government data: the national provider registry and Medicare enrollment records, linked by NPI. Last update of this record: 2021-12-15.
| Claims |
|---|
| 30-day fills |
|---|
| Patients |
|---|
| Cost |
|---|
| Latanoprost Generic | 809 | 2,481 | 323 | $12K |
| Dorzolamide-Timolol Dorzolamide Hcl/Timolol Maleat | 632 | 2,019 | 223 | $16K |
| Prednisolone Acetate Generic | 376 | 602 | 173 | $20K |
| Brimonidine Tartrate Generic | 302 | 957 | 130 | $5,846 |
| Timolol Maleate Generic | 185 | 560 | 63 | $3,766 |
| Polymyxin B Sul-Trimethoprim Polymyxin B Sulf/Trimethoprim | 119 | 122 | 95 | $1,500 |
| Dorzolamide-Timolol Dorzolamide/Timolol/Pf | 113 | 175 | 25 | $16K |
| Brinzolamide Generic | 102 | 308 | 41 | $35K |
| Tafluprost Tafluprost/Pf | 101 | 183 | 27 | $25K |
| Dorzolamide Hcl Generic | 74 | 231 | 31 | $2,040 |
| Rhopressa Netarsudil Mesylate | 67 | 137 | 29 | $44K |
| Cyclosporine Generic | 66 | 100 | 23 | $8,981 |
| Bimatoprost Generic | 55 | 179 | 21 | $6,181 |
| Diclofenac Sodium Generic | 46 | 51 | 27 | $897 |
| Timolol Maleate Timolol Maleate/Pf | 40 | 71 | 13 | $9,819 |
Brand drugs: 790 claims; generic drugs: 2,637 claims.
Money and other things of value reported by the companies
In 2025, drug and medical device companies paid John Y Chen $110 ($110 in general payments such as food, travel and fees) from 1 company. The largest payer was Alcon Vision LLC with $110.
| Company | Payments | Amount |
|---|---|---|
| Alcon Vision LLC ALC | 2 | $110 |
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.