Henry George Zelada Castro, MD
NPI 1417339540ActiveIndividual· Internal Medicine, Endocrinology, Diabetes & Metabolism· Santa Monica, CA
Internal Medicine, Endocrinology, Diabetes & Metabolism (MD) with The Regents of the University of California, practicing in Santa Monica, California. Their prescriptions cost Medicare Part D more than their services did: $341,288 for 524 claims, against $48,570 paid for services in 2024. Lists Ronald Reagan UCLA Medical Center and 1 other hospital as hospital affiliations.
Overview
| NPI | 1417339540 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | MD |
| Sole proprietor | Yes |
| NPI issued | Jun 25, 2015 |
| Last updated in NPPES | Apr 4, 2024 |
| Certified by provider | Apr 4, 2024 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Internal Medicine, Endocrinology, Diabetes & Metabolism Primary | 207RE0101X | A193158 | CA |
| Internal Medicine | 207R00000X | 125066137 | IL |
| Internal Medicine, Endocrinology, Diabetes & Metabolism | 207RE0101X | 39140 | AL |
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 (CA) |
|---|---|
| Accepts assignment | Yes (participating) |
Medicare services in 2024
| Medicare patients | 237 |
|---|---|
| Services billed | 485 across 13 procedure codes |
| Paid by Medicare | $48,570 |
Part D prescriptions in 2024
| Prescriptions (claims) | 524 · 824 30-day fills |
|---|---|
| Patients | 110 |
| Total drug cost | $341,288 |
| Generic share | 32% of claims |
Education and affiliations
| Graduation year | 2011 |
|---|---|
| Medicare specialty | Endocrinology |
| Telehealth | Offers telehealth |
Medical group
- The Regents of the University of CaliforniaSanta Monica, CA · 1,462 clinicians
Hospital affiliations
- Ronald Reagan UCLA Medical CenterLos Angeles, CA
- Santa Monica - UCLA Med Ctr & Orthopaedic HospitalSanta Monica, CA
Industry payments (Open Payments)
None reported for 2025 or 2024.
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
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