Santiago Lopez Jr.
NPI 1104489897ActiveIndividual· Emergency Medicine· Fontana, CA
Emergency Medicine with Southern California Permanente Medical Group, practicing in Fontana, California. Their prescriptions cost Medicare Part D more than their services did: $8,084 for 357 claims, against $3,625 paid for services in 2024. Lists Kaiser Foundation Hospital Fontana/Ontario as a hospital affiliation.
Overview
| NPI | 1104489897 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Sole proprietor | Yes |
| NPI issued | Apr 17, 2019 |
| Last updated in NPPES | Oct 27, 2023 |
| Certified by provider | Jun 22, 2023 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Emergency Medicine Primary | 207P00000X | 184318 | 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 - Emergency Medicine (CA) |
|---|---|
| Accepts assignment | Yes (participating) |
Medicare services in 2024
| Medicare patients | 43 |
|---|---|
| Services billed | 45 across 6 procedure codes |
| Paid by Medicare | $3,625 |
Part D prescriptions in 2024
| Prescriptions (claims) | 357 · 364 30-day fills |
|---|---|
| Patients | 224 |
| Total drug cost | $8,084 |
| Generic share | 92% of claims |
Education and affiliations
| Graduation year | 2019 |
|---|---|
| Medicare specialty | Emergency Medicine |
Medical group
- Southern California Permanente Medical GroupRedlands, CA · 11,293 clinicians
Hospital affiliation
- Kaiser Foundation Hospital Fontana/OntarioFontana, 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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All 56 emergency medicine physicians in Fontana · All emergency medicine physicians in California