Wun-Ling Chang, M.D.
NPI 1194734111ActiveIndividual· Internal Medicine, Infectious Disease· La Jolla, CA
Internal Medicine, Infectious Disease (M.D.) in La Jolla, California, trained at University of Alabama School of Medicine (class of 1988). Medicare paid $62,451 for services to 85 patients in 2024. Shionogi Inc reported $24.59 in payments in 2025, mostly food and beverage.
Overview
| NPI | 1194734111 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | M.D. |
| Sole proprietor | Yes |
| NPI issued | Aug 7, 2006 |
| Last updated in NPPES | Jan 27, 2008 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Internal Medicine, Infectious Disease Primary | 207RI0200X | G86459 | CA |
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 - Infectious Disease (CA) |
|---|---|
| Accepts assignment | Yes (participating) |
Medicare services in 2024
| Medicare patients | 85 |
|---|---|
| Services billed | 604 across 7 procedure codes |
| Paid by Medicare | $62,451 |
Education and affiliations
| Medical school | University of Alabama School of Medicine |
|---|---|
| Graduation year | 1988 |
| Medicare specialty | Infectious Disease |
| Secondary specialties | Internal Medicine |
Hospital affiliation
- Scripps Memorial Hospital la JollaLa Jolla, CA
Industry payments (Open Payments)
- 2025$24.59 · 1 payment from 1 company
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Shionogi Inc | $24.59 | 1 |
What the 2025 payments were for
- Food and Beverage$24.59 · 1 payment
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
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