Gabriela Ramirez Diaz, M.D.
NPI 1578835864ActiveIndividual· Family Medicine· Los Angeles, CA
Family Medicine (M.D.) in Los Angeles, California, trained at Irvine California College of Medicine (class of 2010). Their prescriptions cost Medicare Part D more than their services did: $578,504 for 3,122 claims, against $1,148 paid for services in 2024. Novartis Pharmaceuticals Corporation reported $32.01 in payments in 2025, mostly food and beverage.
Overview
| NPI | 1578835864 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | M.D. |
| Sole proprietor | No |
| NPI issued | Feb 1, 2012 |
| Last updated in NPPES | Feb 1, 2012 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Family Medicine Primary | 207Q00000X | A119759 | 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 - Family Practice (CA) |
|---|---|
| Accepts assignment | Yes (participating) |
Medicare services in 2024
| Medicare patients | 82 |
|---|---|
| Services billed | 137 across 7 procedure codes |
| Paid by Medicare | $1,148 |
Part D prescriptions in 2024
| Prescriptions (claims) | 3,122 · 6,952 30-day fills |
|---|---|
| Patients | 161 |
| Total drug cost | $578,504 |
| Generic share | 80% of claims |
Education and affiliations
| Medical school | Irvine California College of Medicine |
|---|---|
| Graduation year | 2010 |
| Medicare specialty | Family Practice |
Medical group
- Santa Barbara County AuditorSanta Barbara, CA · 97 clinicians
Hospital affiliation
- Marian Regional Medical CenterSanta Maria, CA
Other facilities
- Dignity Health Home HealthHome health agency · Santa Maria, CA
Industry payments (Open Payments)
- 2025$32.01 · 1 payment from 1 company
- 2024$76.59 · 3 payments from 3 companies
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Novartis Pharmaceuticals Corporation | $32.01 | 1 |
What the 2025 payments were for
- Food and Beverage$32.01 · 1 payment
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
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