Catherine Danielle Antonuk, MD
NPI 1497286256ActiveIndividual· Emergency Medicine· Torrance, CA
Emergency Medicine (MD) in Torrance, California, trained at University of Southern California Keck School of Medicine (class of 2017). 143 Medicare patients in 2024, $17,971 paid; nearly all of their 129 Part D prescriptions were generic (91%).
Overview
| NPI | 1497286256 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | MD |
| Sole proprietor | No |
| NPI issued | Mar 23, 2017 |
| Last updated in NPPES | Jun 25, 2025 |
| Certified by provider | Jun 25, 2025 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Emergency Medicine Primary | 207P00000X | A157794 | CA |
| Emergency Medicine, Hospice and Palliative Medicine | 207PH0002X | A157794 | 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 - Emergency Medicine (CA) |
|---|---|
| Accepts assignment | Yes (participating) |
Medicare services in 2024
| Medicare patients | 143 |
|---|---|
| Services billed | 207 across 18 procedure codes |
| Paid by Medicare | $17,971 |
Part D prescriptions in 2024
| Prescriptions (claims) | 129 · 132 30-day fills |
|---|---|
| Patients | 71 |
| Total drug cost | $2,628 |
| Generic share | 91% of claims |
Education and affiliations
| Medical school | University of Southern California Keck School of Medicine |
|---|---|
| Graduation year | 2017 |
| Medicare specialty | Emergency Medicine |
Medical group
- County of Los AngelesWilmington, CA · 397 clinicians
Hospital affiliations
- Hollywood Presbyterian Medical CenterLos Angeles, CA
- Kaiser Foundation Hospital - Baldwin ParkBaldwin Park, CA
- Kaiser Foundation Hospital - Panorama CityPanorama City, CA
Industry payments (Open Payments)
None reported for 2025 or 2024.
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
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