Han-Ying Chang
NPI 1184882870ActiveIndividual· Ophthalmology· Boston, MA
Ophthalmology in Boston, Massachusetts, trained at Johns Hopkins University School of Medicine (class of 2008). In 2024 Medicare paid $66,864 for 376 patients, and Part D covered 613 of their prescriptions, 59% of them generic. Ocular Therapeutix, Inc. reported $13.88 in payments in 2024, mostly food and beverage.
Overview
| NPI | 1184882870 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Sole proprietor | No |
| NPI issued | May 29, 2008 |
| Last updated in NPPES | Oct 24, 2012 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Ophthalmology Primary | 207W00000X | 250406 | MA |
Exclusion screening
| List | Result | Details |
|---|---|---|
| HHS-OIG LEIE · Nov 10, 2026 | No match | Checked by NPI and by name + state |
| North Carolina Medicaid · Nov 11, 2026 | No match | — |
| New York OMIG · Nov 11, 2026 | No match | — |
| Ohio Medicaid · Nov 11, 2026 | No match | — |
| Pennsylvania Medicheck · Nov 11, 2026 | No match | — |
| Washington HCA · Nov 11, 2026 | No match | — |
Official OIG search · How matching works ·Bulk check a roster
Medicare
| Enrollment (PECOS) | Enrolled Practitioner - Ophthalmology (MA) |
|---|---|
| Accepts assignment | Yes (participating) |
Medicare services in 2024
| Medicare patients | 376 |
|---|---|
| Services billed | 1,077 across 31 procedure codes |
| Paid by Medicare | $66,864 |
Part D prescriptions in 2024
| Prescriptions (claims) | 613 · 803 30-day fills |
|---|---|
| Patients | 149 |
| Total drug cost | $69,167 |
| Generic share | 59% of claims |
Education and affiliations
| Medical school | Johns Hopkins University School of Medicine |
|---|---|
| Graduation year | 2008 |
| Medicare specialty | Ophthalmology |
Medical group
- Massachusetts Eye and Ear Associates, IncBoston, MA · 433 clinicians
Hospital affiliations
- Massachusetts Eye and Ear Infirmary -Boston, MA
- Massachusetts General HospitalBoston, MA
Industry payments (Open Payments)
- 2024$13.88 · 1 payment from 1 company
Top paying companies in 2024
| Company | Amount | Payments |
|---|---|---|
| Ocular Therapeutix, Inc. | $13.88 | 1 |
What the 2024 payments were for
- Food and Beverage$13.88 · 1 payment
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
Other ophthalmologists in Boston
- 1003301706
- 1003800749
- 1023074143
- 1023275997
- 1043847940
- 1053395723
- 1083029763
- 1083970594
- 1114135746
- 1114284825
- 1134370968
- 1134568199
All 340 ophthalmologists in Boston · All ophthalmologists in Massachusetts