Carmen Castillo, MD
NPI 1275275851ActiveIndividual· Family Medicine· Modesto, CA
Family Medicine (MD) with Hayes B Gladstone MD PC, practicing in Modesto, California. Part D covered 503 prescriptions written in 2024, 86% of them generic. Regeneron Healthcare Solutions, Inc. was the largest of 5 companies reporting payments in 2025, $420.63 in all, mostly food and beverage.
Overview
| NPI | 1275275851 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | MD |
| Sole proprietor | No |
| NPI issued | Apr 12, 2022 |
| Last updated in NPPES | Jan 30, 2026 |
| Certified by provider | Jan 30, 2026 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Family Medicine Primary | 207Q00000X | A199037 | CA |
| Dermatology | 207N00000X | A199037 | 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 - Dermatology (CA) |
|---|
Part D prescriptions in 2024
| Prescriptions (claims) | 503 · 946 30-day fills |
|---|---|
| Patients | 84 |
| Total drug cost | $50,187 |
| Generic share | 86% of claims |
Education and affiliations
| Graduation year | 2020 |
|---|---|
| Medicare specialty | Dermatology |
Medical group
- Hayes B Gladstone MD PCManteca, CA · 7 clinicians
Industry payments (Open Payments)
- 2025$420.63 · 7 payments from 5 companies
- 2024$257.29 · 3 payments from 3 companies
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Regeneron Healthcare Solutions, Inc. | $162.14 | 2 |
| Stryker Corporation | $150.00 | 1 |
| Incyte Corporation | $46.87 | 2 |
| Exact Sciences Corporation | $34.77 | 1 |
| Abbvie Inc. | $26.85 | 1 |
What the 2025 payments were for
- Food and Beverage$420.63 · 7 payments
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
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All 205 family medicine physicians in Modesto · All family medicine physicians in California