Ronald J. Oudiz, M.D.
NPI 1316957228ActiveIndividual· Internal Medicine, Cardiovascular Disease· Torrance, CA
Internal Medicine, Cardiovascular Disease (M.D.) in Torrance, California, trained at University of Southern California Keck School of Medicine (class of 1989). Their prescriptions cost Medicare Part D more than their services did: $6,094,106 for 699 claims, against $9,082 paid for services in 2024. Merck Sharp & Dohme LLC was the largest of 10 companies reporting payments in 2025, $121,291 in all, mostly speaking and faculty fees.
Overview
| NPI | 1316957228 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | M.D. |
| Sole proprietor | No |
| NPI issued | Aug 9, 2006 |
| Last updated in NPPES | Aug 19, 2021 |
| Certified by provider | Aug 19, 2021 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Internal Medicine, Cardiovascular Disease Primary | 207RC0000X | G70500 | 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 - Cardiovascular Disease (Cardiology) (CA) |
|---|---|
| Accepts assignment | Yes (participating) |
Medicare services in 2024
| Medicare patients | 26 |
|---|---|
| Services billed | 123 across 10 procedure codes |
| Paid by Medicare | $9,082 |
Part D prescriptions in 2024
| Prescriptions (claims) | 699 · 928 30-day fills |
|---|---|
| Patients | 45 |
| Total drug cost | $6,094,106 |
| Generic share | 57% of claims |
Education and affiliations
| Medical school | University of Southern California Keck School of Medicine |
|---|---|
| Graduation year | 1989 |
| Medicare specialty | Cardiovascular Disease (Cardiology) |
Medical group
- Prohealth Partners, A Medical GroupLong Beach, CA · 239 clinicians
Hospital affiliation
- Lac/Harbor-Ucla Med CenterTorrance, CA
Industry payments (Open Payments)
- 2025$121,291 · 124 payments from 10 companies
- 2024$93,646 · 108 payments from 10 companies
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Merck Sharp & Dohme LLC | $69,879 | 51 |
| Actelion Pharmaceuticals US, Inc. | $31,943 | 40 |
| United Therapeutics Corporation | $18,266 | 18 |
| Aop Health US, LLC | $839.36 | 2 |
| Zoll Services LLC (A/K/A Zoll Lifecor Corp) | $169.54 | 6 |
What the 2025 payments were for
- Compensation for services other than consulting, including serving as faculty or as a speaker at a venue other than a continuing education program$97,498 · 22 payments
- Travel and Lodging$12,371 · 40 payments
- Consulting Fee$7,570 · 3 payments
- Food and Beverage$3,853 · 59 payments
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
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