Herbert Bernabe Castillo Valladares
NPI 1326501743ActiveIndividual· Dermatology· San Francisco, CA
Dermatology in San Francisco, California, trained at Yale University School of Medicine (class of 2019). Their prescriptions cost Medicare Part D more than their services did: $726,752 for 628 claims, against $12,249 paid for services in 2024. Eli Lilly and Company reported $99.00 in payments in 2025, mostly education.
Overview
| NPI | 1326501743 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Sole proprietor | No |
| NPI issued | Apr 11, 2019 |
| Last updated in NPPES | Jun 29, 2023 |
| Certified by provider | Jun 29, 2023 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Dermatology Primary | 207N00000X | A181788 | 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) |
|---|---|
| Accepts assignment | Yes (participating) |
Medicare services in 2024
| Medicare patients | 92 |
|---|---|
| Services billed | 218 across 27 procedure codes |
| Paid by Medicare | $12,249 |
Part D prescriptions in 2024
| Prescriptions (claims) | 628 · 762 30-day fills |
|---|---|
| Patients | 185 |
| Total drug cost | $726,752 |
| Generic share | 83% of claims |
Education and affiliations
| Medical school | Yale University School of Medicine |
|---|---|
| Graduation year | 2019 |
| Medicare specialty | Dermatology |
Medical groups
- University of California San FranciscoSan Francisco, CA · 1,839 clinicians
- University of California Sfgh Medical GroupSan Francisco, CA · 587 clinicians
Hospital affiliations
- UCSF Medical CenterSan Francisco, CA
- Zuckerberg San Francisco General Hosp & Trauma CtrSan Francisco, CA
Industry payments (Open Payments)
- 2025$99.00 · 1 payment from 1 company
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Eli Lilly and Company | $99.00 | 1 |
What the 2025 payments were for
- Education$99.00 · 1 payment
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
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