Lydia Hwei Chang, M.D.
NPI 1972570141ActiveIndividual· Internal Medicine, Pulmonary Disease· Chapel Hill, NC
Internal Medicine, Pulmonary Disease (M.D.) in Chapel Hill, North Carolina, trained at University of Michigan Medical School (class of 1998). Their prescriptions cost Medicare Part D more than their services did: $354,761 for 1,454 claims, against $83,040 paid for services in 2024. Verona Pharma, Inc. was the largest of 3 companies reporting payments in 2025, $220.91 in all, mostly food and beverage.
Overview
| NPI | 1972570141 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | M.D. |
| Sole proprietor | No |
| NPI issued | Mar 7, 2006 |
| Last updated in NPPES | Mar 6, 2014 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Internal Medicine, Pulmonary Disease Primary | 207RP1001X | 200100849 | NC |
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 - Pulmonary Disease (NC) |
|---|---|
| Accepts assignment | Yes (participating) |
Medicare services in 2024
| Medicare patients | 355 |
|---|---|
| Services billed | 1,080 across 31 procedure codes |
| Paid by Medicare | $83,040 |
Part D prescriptions in 2024
| Prescriptions (claims) | 1,454 · 1,900 30-day fills |
|---|---|
| Patients | 232 |
| Total drug cost | $354,761 |
| Generic share | 57% of claims |
Education and affiliations
| Medical school | University of Michigan Medical School |
|---|---|
| Graduation year | 1998 |
| Medicare specialty | Pulmonary Disease |
| Secondary specialties | Critical Care (Intensivists) |
Medical group
- Mission Health Community Multispecialty Providers LLCAsheville, NC · 601 clinicians
Hospital affiliations
- Angel Medical CenterFranklin, NC
- Harris Regional HospitalSylva, NC
- Haywood Regional Medical CenterClyde, NC
- Memorial Mission Hospital and Asheville Surgery CeAsheville, NC
- The McDowell HospitalMarion, NC
Industry payments (Open Payments)
- 2025$220.91 · 5 payments from 3 companies
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Verona Pharma, Inc. | $125.00 | 1 |
| Jazz Pharmaceuticals Inc. | $76.26 | 3 |
| Amgen Inc. | $19.65 | 1 |
What the 2025 payments were for
- Food and Beverage$220.91 · 5 payments
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
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