Niceto Lopez, MD
NPI 1003012931ActiveIndividual· Hospitalist· Walnut Creek, CA
Hospitalist (MD) in Walnut Creek, California, licensed in CA, with an NPI issued in June 2007. In 2024 Medicare paid $409,734 for 171 patients, and Part D covered 7,655 of their prescriptions, 80% of them generic. Astrazeneca Pharmaceuticals LP reported $43.25 in payments in 2025, mostly education.
Overview
| NPI | 1003012931 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | MD |
| Sole proprietor | Yes |
| NPI issued | Jun 26, 2007 |
| Last updated in NPPES | Jul 8, 2007 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Hospitalist Primary | 208M00000X | A96421 | 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 - Internal Medicine (CA) |
|---|---|
| Accepts assignment | Yes (participating) |
Medicare services in 2024
| Medicare patients | 171 |
|---|---|
| Services billed | 5,874 across 17 procedure codes |
| Paid by Medicare | $409,734 |
Part D prescriptions in 2024
| Prescriptions (claims) | 7,655 · 7,838 30-day fills |
|---|---|
| Patients | 246 |
| Total drug cost | $576,687 |
| Generic share | 80% of claims |
Industry payments (Open Payments)
- 2025$43.25 · 1 payment from 1 company
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Astrazeneca Pharmaceuticals LP | $43.25 | 1 |
What the 2025 payments were for
- Education$43.25 · 1 payment
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
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All 72 hospitalists in Walnut Creek · All hospitalists in California