Stacy Jean Zambrano
NPI 1992094171ActiveIndividual· Internal Medicine· Concord, CA
Internal Medicine in Concord, California, trained at University of California, Geffen School of Medicine (class of 2011). Their prescriptions cost Medicare Part D more than their services did: $139,809 for 1,077 claims, against $149.86 paid for services in 2024. Hologic Sales and Service, LLC reported $20.79 in payments in 2024, mostly food and beverage.
Overview
| NPI | 1992094171 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Sole proprietor | Yes |
| NPI issued | Mar 29, 2011 |
| Last updated in NPPES | Jan 4, 2023 |
| Certified by provider | Jan 3, 2023 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Internal Medicine Primary | 207R00000X | A125232 | 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 | 18 |
|---|---|
| Services billed | 30 across 4 procedure codes |
| Paid by Medicare | $149.86 |
Part D prescriptions in 2024
| Prescriptions (claims) | 1,077 · 2,549 30-day fills |
|---|---|
| Patients | 171 |
| Total drug cost | $139,809 |
| Generic share | 85% of claims |
Education and affiliations
| Medical school | University of California, Geffen School of Medicine |
|---|---|
| Graduation year | 2011 |
| Medicare specialty | Internal Medicine |
Medical group
- La Clinica de la Raza IncOakland, CA · 130 clinicians
Hospital affiliation
- Alta Bates Summit Medical CenterOakland, CA
Industry payments (Open Payments)
- 2024$20.79 · 1 payment from 1 company
Top paying companies in 2024
| Company | Amount | Payments |
|---|---|---|
| Hologic Sales and Service, LLC | $20.79 | 1 |
What the 2024 payments were for
- Food and Beverage$20.79 · 1 payment
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
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All 35 internal medicine physicians in Concord · All internal medicine physicians in California