Oscar L. Castro, MD
NPI 1093743288ActiveIndividual· Internal Medicine, Endocrinology, Diabetes & Metabolism· Mobile, AL
Internal Medicine, Endocrinology, Diabetes & Metabolism (MD) in Mobile, Alabama, licensed in AL, IN, MO and FL and other states, with an NPI issued in June 2006. Part D covered 1,991 prescriptions written in 2024, 35% of them generic. Amgen Inc. was the largest of 6 companies reporting payments in 2025, $131.36 in all, mostly food and beverage. Lists Oroville Hospital and 1 other hospital as hospital affiliations.
Overview
| NPI | 1093743288 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | MD |
| Sole proprietor | No |
| NPI issued | Jun 28, 2006 |
| Last updated in NPPES | Aug 7, 2026 |
| Certified by provider | Aug 7, 2026 |
Specialties and licenses
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 - Endocrinology (AL); Practitioner - Endocrinology (AZ); Practitioner - Endocrinology (IN) |
|---|
Part D prescriptions in 2024
| Prescriptions (claims) | 1,991 · 3,831 30-day fills |
|---|---|
| Patients | 235 |
| Total drug cost | $1,037,404 |
| Generic share | 35% of claims |
Education and affiliations
| Graduation year | 1991 |
|---|---|
| Medicare specialty | Internal Medicine |
Hospital affiliations
- Oroville HospitalOroville, CA
- Ozarks HealthcareWest Plains, MO
Industry payments (Open Payments)
- 2025$131.36 · 6 payments from 6 companies
- 2024$352.28 · 17 payments from 6 companies
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Amgen Inc. | $45.28 | 1 |
| Novartis Pharmaceuticals Corporation | $27.35 | 1 |
| Averitas Pharma Inc. | $21.04 | 1 |
| Exact Sciences Corporation | $15.88 | 1 |
| Beta Bionics, Inc. | $14.20 | 1 |
What the 2025 payments were for
- Food and Beverage$131.36 · 6 payments
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
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