Angela An-Chi Chang, M.D.
NPI 1730382318ActiveIndividual· Otolaryngology· La Jolla, CA
Otolaryngology (M.D.) in La Jolla, California, trained at University of California, Geffen School of Medicine (class of 2005). 493 Medicare patients in 2024, $194,542 paid; nearly all of their 694 Part D prescriptions were generic (97%). Aerin Medical Inc. was the largest of 4 companies reporting payments in 2025, $346.94 in all, mostly food and beverage.
Overview
| NPI | 1730382318 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | M.D. |
| Sole proprietor | No |
| NPI issued | Jun 8, 2007 |
| Last updated in NPPES | Oct 13, 2011 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Otolaryngology Primary | 207Y00000X | A100380 | 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 - Otolaryngology (CA) |
|---|---|
| Accepts assignment | Yes (participating) |
Medicare services in 2024
| Medicare patients | 493 |
|---|---|
| Services billed | 2,314 across 49 procedure codes |
| Paid by Medicare | $194,542 |
Part D prescriptions in 2024
| Prescriptions (claims) | 694 · 913 30-day fills |
|---|---|
| Patients | 276 |
| Total drug cost | $18,727 |
| Generic share | 97% of claims |
Education and affiliations
| Medical school | University of California, Geffen School of Medicine |
|---|---|
| Graduation year | 2005 |
| Medicare specialty | Otolaryngology |
| Telehealth | Offers telehealth |
Hospital affiliations
- Scripps Green HospitalLa Jolla, CA
- Scripps Memorial Hospital la JollaLa Jolla, CA
Industry payments (Open Payments)
- 2025$346.94 · 10 payments from 4 companies
- 2024$154.48 · 1 payment from 1 company
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Aerin Medical Inc. | $296.84 | 7 |
| Vertex Pharmaceuticals Incorporated | $17.76 | 1 |
| Medtronic, Inc. | $16.93 | 1 |
| Smith+nephew, Inc. | $15.41 | 1 |
What the 2025 payments were for
- Food and Beverage$247.23 · 9 payments
- Travel and Lodging$99.71 · 1 payment
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
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