Matthew K. Chang, M.D.
NPI 1922061969ActiveIndividual· Ophthalmology· Colorado Springs, CO
Ophthalmology (M.D.) with Britt A Buckley MD PC and 1 other group, practicing in Colorado Springs, Colorado. In 2024 Medicare paid $367,730 for 781 patients, and Part D covered 2,992 of their prescriptions, 57% of them generic. Abbvie Inc. was the largest of 7 companies reporting payments in 2025, $1,349 in all, mostly food and beverage. Lists Rio Grande Hospital as a hospital affiliation.
Overview
| NPI | 1922061969 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | M.D. |
| Sole proprietor | No |
| NPI issued | Apr 10, 2006 |
| Last updated in NPPES | Apr 7, 2023 |
| Certified by provider | Apr 7, 2023 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Ophthalmology Primary | 207W00000X | DR0043711 | CO |
| Specialist | 174400000X | 43711 | CO |
Exclusion screening
| List | Result | Details |
|---|---|---|
| HHS-OIG LEIE · Oct 9, 2026 | No match | Checked by NPI and by name + state |
| North Carolina Medicaid · Nov 10, 2026 | No match | — |
| New York OMIG · Nov 10, 2026 | No match | — |
| Ohio Medicaid · Nov 10, 2026 | No match | — |
| Pennsylvania Medicheck · Nov 10, 2026 | No match | — |
| Washington HCA · Nov 10, 2026 | No match | — |
Official OIG search · How matching works ·Bulk check a roster
Medicare
| Enrollment (PECOS) | Enrolled Practitioner - Ophthalmology (CO) |
|---|---|
| Accepts assignment | Yes (participating) |
Medicare services in 2024
| Medicare patients | 781 |
|---|---|
| Services billed | 2,291 across 44 procedure codes |
| Paid by Medicare | $367,730 |
Part D prescriptions in 2024
| Prescriptions (claims) | 2,992 · 3,760 30-day fills |
|---|---|
| Patients | 910 |
| Total drug cost | $273,252 |
| Generic share | 57% of claims |
Education and affiliations
| Graduation year | 1998 |
|---|---|
| Medicare specialty | Ophthalmology |
Medical groups
- Britt A Buckley MD PCColorado Springs, CO · 9 clinicians
- Wright Eye Center P CColorado Springs, CO · 5 clinicians
Hospital affiliation
- Rio Grande HospitalDel Norte, CO
Industry payments (Open Payments)
- 2025$1,349 · 34 payments from 7 companies
- 2024$1,010 · 23 payments from 9 companies
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Abbvie Inc. | $557.29 | 11 |
| Alcon Vision LLC | $348.12 | 12 |
| Bausch & Lomb Americas Inc. | $188.55 | 4 |
| Glaukos Corporation | $172.71 | 3 |
| Sun Pharmaceutical Industries Inc. | $53.04 | 2 |
What the 2025 payments were for
- Food and Beverage$1,349 · 34 payments
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
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