Enchi Kristina Chang, MD
NPI 1063005593ActiveIndividual· Ophthalmology· Boston, MA
Ophthalmology (MD) in Boston, Massachusetts, trained at Harvard Medical School (class of 2021). Part D covered 153 prescriptions written in 2024, 74% of them generic. Alcon Vision LLC was the largest of 3 companies reporting payments in 2025, $379.48 in all, mostly food and beverage.
Overview
| NPI | 1063005593 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | MD |
| Sole proprietor | No |
| NPI issued | Feb 16, 2021 |
| Last updated in NPPES | Jul 9, 2025 |
| Certified by provider | Jul 9, 2025 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Ophthalmology Primary | 207W00000X | 1022381 | 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) |
|---|
Part D prescriptions in 2024
| Prescriptions (claims) | 153 · 192 30-day fills |
|---|---|
| Patients | 66 |
| Total drug cost | $3,738 |
| Generic share | 74% of claims |
Education and affiliations
| Medical school | Harvard Medical School |
|---|---|
| Graduation year | 2021 |
| Medicare specialty | Ophthalmology |
Medical group
- Massachusetts Eye and Ear Associates, IncBoston, MA · 433 clinicians
Hospital affiliations
- Brigham and Women's HospitalBoston, MA
- Massachusetts Eye and Ear Infirmary -Boston, MA
- Massachusetts General HospitalBoston, MA
- South Shore HospitalSouth Weymouth, MA
Industry payments (Open Payments)
- 2025$379.48 · 4 payments from 3 companies
- 2024$373.06 · 3 payments from 3 companies
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Alcon Vision LLC | $140.08 | 2 |
| Astellas Pharma US Inc | $120.65 | 1 |
| Dompe US, Inc. | $118.75 | 1 |
What the 2025 payments were for
- Food and Beverage$379.48 · 4 payments
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
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All 340 ophthalmologists in Boston · All ophthalmologists in Massachusetts