Madalyn Rivas
NPI 1447830187ActiveIndividual· Internal Medicine· Stockton, CA
Internal Medicine with Sutter Bay Medical Foundation and 1 other group, practicing in Stockton, California. Mostly services rather than prescriptions: Medicare paid $15,225 for 81 patients in 2024, with only 33 Part D claims. Astrazeneca Pharmaceuticals LP reported $70.49 in payments in 2024, mostly food and beverage. Lists Adventist Health Lodi Memorial as a hospital affiliation.
Overview
| NPI | 1447830187 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Sole proprietor | No |
| NPI issued | Apr 8, 2021 |
| Last updated in NPPES | Jun 6, 2025 |
| Certified by provider | Jun 6, 2025 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Internal Medicine Primary | 207R00000X | A191983 | 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 - Hospitalist (CA) |
|---|---|
| Accepts assignment | Yes (participating) |
Medicare services in 2024
| Medicare patients | 81 |
|---|---|
| Services billed | 169 across 7 procedure codes |
| Paid by Medicare | $15,225 |
Part D prescriptions in 2024
| Prescriptions (claims) | 33 · 57 30-day fills |
|---|---|
| Patients | 16 |
| Total drug cost | $1,425 |
| Generic share | 91% of claims |
Education and affiliations
| Graduation year | 2021 |
|---|---|
| Medicare specialty | Hospitalist |
Medical groups
- Sutter Bay Medical FoundationFremont, CA · 3,829 clinicians
- Galen Inpatient Physicians PCHanford, CA · 1,077 clinicians
Hospital affiliation
- Adventist Health Lodi MemorialLodi, CA
Industry payments (Open Payments)
- 2024$70.49 · 1 payment from 1 company
Top paying companies in 2024
| Company | Amount | Payments |
|---|---|---|
| Astrazeneca Pharmaceuticals LP | $70.49 | 1 |
What the 2024 payments were for
- Food and Beverage$70.49 · 1 payment
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
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All 117 internal medicine physicians in Stockton · All internal medicine physicians in California