Karen Chang, MD
NPI 1023026242ActiveIndividual· Emergency Medicine· Lynwood, CA
Emergency Medicine (MD) in Lynwood, California, trained at University of California, Geffen School of Medicine (class of 2003). 237 Medicare patients in 2024, $39,466 paid; nearly all of their 176 Part D prescriptions were generic (96%). Gilead Sciences, Inc. reported $34.27 in payments in 2024, mostly food and beverage.
Overview
| NPI | 1023026242 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | MD |
| Sole proprietor | No |
| NPI issued | Aug 3, 2006 |
| Last updated in NPPES | May 7, 2015 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Emergency Medicine Primary | 207P00000X | A95327 | 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 - Hospitalist (CA) |
|---|---|
| Accepts assignment | Yes (participating) |
Medicare services in 2024
| Medicare patients | 237 |
|---|---|
| Services billed | 462 across 27 procedure codes |
| Paid by Medicare | $39,466 |
Part D prescriptions in 2024
| Prescriptions (claims) | 176 · 178 30-day fills |
|---|---|
| Patients | 108 |
| Total drug cost | $2,654 |
| Generic share | 96% of claims |
Education and affiliations
| Medical school | University of California, Geffen School of Medicine |
|---|---|
| Graduation year | 2003 |
| Medicare specialty | Hospitalist |
Medical groups
- Cep America - CaliforniaPomona, CA · 1,292 clinicians
- Mission Viejo Emergency Medical Associates, Inc.Marina Del Rey, CA · 30 clinicians
Hospital affiliations
- Cedar-Sinai Marina del Rey HospitalMarina Del Rey, CA
- Saint Francis Medical CenterLynwood, CA
Industry payments (Open Payments)
- 2024$34.27 · 1 payment from 1 company
Top paying companies in 2024
| Company | Amount | Payments |
|---|---|---|
| Gilead Sciences, Inc. | $34.27 | 1 |
What the 2024 payments were for
- Food and Beverage$34.27 · 1 payment
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
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