Patricia Yee-Ling Chang, M.D.
NPI 1003350984ActiveIndividual· Family Medicine· Santa Monica, CA
Family Medicine (M.D.) with The Regents of the University of California, practicing in Santa Monica, California. Their prescriptions cost Medicare Part D more than their services did: $179,847 for 3,071 claims, against $37,831 paid for services in 2024. Axsome Therapeutics, Inc. was the largest of 4 companies reporting payments in 2025, $326.65 in all, mostly food and beverage. Lists Ronald Reagan UCLA Medical Center and 1 other hospital as hospital affiliations.
Overview
| NPI | 1003350984 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | M.D. |
| Sole proprietor | Yes |
| NPI issued | Dec 12, 2016 |
| Last updated in NPPES | Jul 25, 2017 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Family Medicine Primary | 207Q00000X | C146039 | 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 4, 2026 | No match | — |
| New York OMIG · Nov 4, 2026 | No match | — |
| Ohio Medicaid · Nov 4, 2026 | No match | — |
| Pennsylvania Medicheck · Nov 4, 2026 | No match | — |
| Washington HCA · Nov 4, 2026 | No match | — |
Official OIG search · How matching works ·Bulk check a roster
Medicare
| Enrollment (PECOS) | Enrolled Practitioner - Family Practice (CA) |
|---|---|
| Accepts assignment | Yes (participating) |
Medicare services in 2024
| Medicare patients | 195 |
|---|---|
| Services billed | 745 across 38 procedure codes |
| Paid by Medicare | $37,831 |
Part D prescriptions in 2024
| Prescriptions (claims) | 3,071 · 7,372 30-day fills |
|---|---|
| Patients | 394 |
| Total drug cost | $179,847 |
| Generic share | 91% of claims |
Education and affiliations
| Graduation year | 1997 |
|---|---|
| Medicare specialty | Family Practice |
| Telehealth | Offers telehealth |
Medical group
- The Regents of the University of CaliforniaSanta Monica, CA · 1,462 clinicians
Hospital affiliations
- Ronald Reagan UCLA Medical CenterLos Angeles, CA
- Santa Monica - UCLA Med Ctr & Orthopaedic HospitalSanta Monica, CA
Industry payments (Open Payments)
- 2025$326.65 · 8 payments from 4 companies
- 2024$22.40 · 1 payment from 1 company
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Axsome Therapeutics, Inc. | $155.10 | 5 |
| Sanofi Pasteur Inc. | $125.00 | 1 |
| Heartflow, Inc. | $26.75 | 1 |
| Salix Pharmaceuticals, A Division of Bausch Health US, LLC | $19.80 | 1 |
What the 2025 payments were for
- Food and Beverage$326.65 · 8 payments
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
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