Ivonne Esther Hernandez Castro, M.D.
NPI 1386136059ActiveIndividual· Internal Medicine, Endocrinology, Diabetes & Metabolism· Naranjito, PR
Internal Medicine, Endocrinology, Diabetes & Metabolism (M.D.) in Naranjito, Puerto Rico, licensed in PR, with an NPI issued in May 2018. Part D covered 103 prescriptions written in 2024, 51% of them generic. Boehringer Ingelheim Pharmaceuticals, Inc. was the largest of 19 companies reporting payments in 2025, $2,330 in all, mostly food and beverage.
Overview
| NPI | 1386136059 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | M.D. |
| Sole proprietor | No |
| NPI issued | May 30, 2018 |
| Last updated in NPPES | Aug 4, 2026 |
| Certified by provider | Aug 4, 2026 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Internal Medicine, Endocrinology, Diabetes & Metabolism Primary | 207RE0101X | 23152 | PR |
| Internal Medicine | 207R00000X | 23-152 | PR |
Exclusion screening
| List | Result | Details |
|---|---|---|
| HHS-OIG LEIE · Oct 9, 2026 | No match | Checked by NPI and by name + state |
| North Carolina Medicaid · Nov 10, 2026 | No match | — |
| New York OMIG · Nov 10, 2026 | No match | — |
| Ohio Medicaid · Nov 10, 2026 | No match | — |
| Pennsylvania Medicheck · Nov 10, 2026 | No match | — |
| Washington HCA · Nov 10, 2026 | No match | — |
Official OIG search · How matching works ·Bulk check a roster
Medicare
| Enrollment (PECOS) | Enrolled Practitioner - Endocrinology (PR) |
|---|
Part D prescriptions in 2024
| Prescriptions (claims) | 103 · 116 30-day fills |
|---|---|
| Patients | 21 |
| Total drug cost | $24,888 |
| Generic share | 51% of claims |
Industry payments (Open Payments)
- 2025$2,330 · 64 payments from 19 companies
- 2024$1,520 · 46 payments from 18 companies
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Boehringer Ingelheim Pharmaceuticals, Inc. | $310.79 | 9 |
| Medtronic, Inc. | $258.06 | 3 |
| Corcept Therapeutics | $242.66 | 2 |
| Amgen Inc. | $172.52 | 6 |
| Radius Health, Inc. | $154.68 | 2 |
What the 2025 payments were for
- Food and Beverage$2,238 · 63 payments
- Travel and Lodging$92.72 · 1 payment
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records