Louie-Marc Contreras
NPI 1629088661ActiveIndividual· Specialist· Valencia, CA
Specialist in Valencia, California, trained at Loma Linda University School of Medicine (class of 1998). 189 Medicare patients in 2024, $48,404 paid; nearly all of their 79 Part D prescriptions were generic (99%). Intuitive Surgical, Inc. reported $286.03 in payments in 2025, mostly travel and lodging.
Overview
| NPI | 1629088661 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Sole proprietor | Yes |
| NPI issued | Aug 9, 2006 |
| Last updated in NPPES | Jul 8, 2007 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Specialist Primary | 174400000X | A72134 | 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 - General Surgery (CA) |
|---|---|
| Accepts assignment | Yes (participating) |
Medicare services in 2024
| Medicare patients | 189 |
|---|---|
| Services billed | 383 across 39 procedure codes |
| Paid by Medicare | $48,404 |
Part D prescriptions in 2024
| Prescriptions (claims) | 79 · 79 30-day fills |
|---|---|
| Patients | 77 |
| Total drug cost | $301.58 |
| Generic share | 99% of claims |
Education and affiliations
| Medical school | Loma Linda University School of Medicine |
|---|---|
| Graduation year | 1998 |
| Medicare specialty | General Surgery |
Medical groups
- Healthcare Partners Affiliates Medical GroupAnaheim, CA · 754 clinicians
- Henry Mayo Newhall Memorial HospitalValencia, CA · 18 clinicians
Hospital affiliations
- Glendale Mem Hospital & Hlth CenterGlendale, CA
- Henry Mayo Newhall HospitalValencia, CA
Industry payments (Open Payments)
- 2025$286.03 · 2 payments from 1 company
- 2024$1,668 · 5 payments from 2 companies
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Intuitive Surgical, Inc. | $286.03 | 2 |
What the 2025 payments were for
- Travel and Lodging$286.03 · 2 payments
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
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All 32 Specialist providers in Valencia · All Specialist providers in California