Olivia Wei Chang, PA-C
NPI 1649844085ActiveIndividual· Physician Assistant· Newport Beach, CA
Physician Assistant (PA-C) with Premier Cardiology Inc, practicing in Newport Beach, California. Their prescriptions cost Medicare Part D more than their services did: $860,886 for 2,214 claims, against $27,345 paid for services in 2024. Abiomed was the largest of 14 companies reporting payments in 2025, $1,169 in all, mostly food and beverage.
Overview
| NPI | 1649844085 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | PA-C |
| Sole proprietor | Yes |
| NPI issued | May 19, 2021 |
| Last updated in NPPES | May 21, 2026 |
| Certified by provider | May 21, 2026 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Physician Assistant Primary | 363A00000X | PA63012 | CA |
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 - Physician Assistant (CA) |
|---|---|
| Accepts assignment | Yes (participating) |
Medicare services in 2024
| Medicare patients | 220 |
|---|---|
| Services billed | 435 across 9 procedure codes |
| Paid by Medicare | $27,345 |
Part D prescriptions in 2024
| Prescriptions (claims) | 2,214 · 5,384 30-day fills |
|---|---|
| Patients | 492 |
| Total drug cost | $860,886 |
| Generic share | 73% of claims |
Education and affiliations
| Graduation year | 2023 |
|---|---|
| Medicare specialty | Physician Assistant |
| Telehealth | Offers telehealth |
Medical group
- Premier Cardiology IncNewport Beach, CA · 8 clinicians
Industry payments (Open Payments)
- 2025$1,169 · 46 payments from 14 companies
- 2024$2,322 · 78 payments from 20 companies
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Abiomed | $288.12 | 2 |
| Novartis Pharmaceuticals Corporation | $191.94 | 10 |
| Amgen Inc. | $176.56 | 10 |
| Zoll Services LLC (A/K/A Zoll Lifecor Corp) | $87.66 | 4 |
| E.R. Squibb & Sons, L.L.C. | $82.71 | 4 |
What the 2025 payments were for
- Food and Beverage$1,169 · 46 payments
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
Other physician assistants in Newport Beach
- 1023282019
- 1043734908
- 1053924696
- 1063854669
- 1073161071
- 1083486187
- 1124232160
- 1174120943
- 1215694013
- 1225804891
- 1235279811
- 1245748979
All 153 physician assistants in Newport Beach · All physician assistants in California