Nereida J. Castillo-Abreu, M.D.
NPI 1245414689ActiveIndividual· Internal Medicine· Orlando, FL
Internal Medicine (M.D.) with Optumcare Florida, LLC, practicing in Orlando, Florida. Their prescriptions cost Medicare Part D more than their services did: $561,518 for 7,228 claims, against $2,777 paid for services in 2024. Amgen Inc. was the largest of 2 companies reporting payments in 2025, $72.25 in all, mostly food and beverage.
Overview
| NPI | 1245414689 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | M.D. |
| Sole proprietor | Yes |
| NPI issued | Dec 20, 2007 |
| Last updated in NPPES | Aug 13, 2021 |
| Certified by provider | Aug 13, 2021 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Internal Medicine Primary | 207R00000X | ME-88777 | FL |
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 - Internal Medicine (FL) |
|---|---|
| Accepts assignment | Yes (participating) |
Medicare services in 2024
| Medicare patients | 19 |
|---|---|
| Services billed | 49 across 16 procedure codes |
| Paid by Medicare | $2,777 |
Part D prescriptions in 2024
| Prescriptions (claims) | 7,228 · 16,933 30-day fills |
|---|---|
| Patients | 685 |
| Total drug cost | $561,518 |
| Generic share | 88% of claims |
Education and affiliations
| Graduation year | 1993 |
|---|---|
| Medicare specialty | Internal Medicine |
Medical group
- Optumcare Florida, LLCLutz, FL · 272 clinicians
Other facilities
- Vitas Healthcare Corporation of FloridaHospice · Melbourne, FL
Industry payments (Open Payments)
- 2025$72.25 · 3 payments from 2 companies
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Amgen Inc. | $42.96 | 2 |
| Exact Sciences Corporation | $29.29 | 1 |
What the 2025 payments were for
- Food and Beverage$72.25 · 3 payments
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
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