Ivonne De L Fraga Berrios, MD
NPI 1033116264ActiveIndividual· Psychiatry & Neurology, Neurology· San Juan, PR
Psychiatry & Neurology, Neurology (MD) in San Juan, Puerto Rico, trained at University of Puerto Rico School of Medicine (class of 1995). Their prescriptions cost Medicare Part D more than their services did: $270,648 for 4,568 claims, against $16,051 paid for services in 2024. Lilly USA, LLC was the largest of 6 companies reporting payments in 2025, $6,935 in all, mostly speaking and faculty fees.
Overview
| NPI | 1033116264 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | MD |
| Sole proprietor | No |
| NPI issued | Jul 1, 2005 |
| Last updated in NPPES | Jul 13, 2026 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Psychiatry & Neurology, Neurology Primary | 2084N0400X | 13162 | 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 4, 2026 | No match | — |
| New York OMIG · Nov 4, 2026 | No match | — |
| Ohio Medicaid · Nov 4, 2026 | No match | — |
| Pennsylvania Medicheck · Nov 4, 2026 | No match | — |
| Washington HCA · Nov 4, 2026 | No match | — |
Official OIG search · How matching works ·Bulk check a roster
Medicare
| Enrollment (PECOS) | Enrolled Practitioner - Neurology (PR) |
|---|---|
| Accepts assignment | Yes (participating) |
Medicare services in 2024
| Medicare patients | 59 |
|---|---|
| Services billed | 183 across 11 procedure codes |
| Paid by Medicare | $16,051 |
Part D prescriptions in 2024
| Prescriptions (claims) | 4,568 · 5,727 30-day fills |
|---|---|
| Patients | 441 |
| Total drug cost | $270,648 |
| Generic share | 93% of claims |
Education and affiliations
| Medical school | University of Puerto Rico School of Medicine |
|---|---|
| Graduation year | 1995 |
| Medicare specialty | Neurology |
Industry payments (Open Payments)
- 2025$6,935 · 7 payments from 6 companies
- 2024$61.59 · 3 payments from 3 companies
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Lilly USA, LLC | $6,825 | 2 |
| Biogen, Inc. | $26.25 | 1 |
| Eli Lilly Export S.A. Puerto Rico Branch | $25.00 | 1 |
| Pbg Puerto Rico LLC | $24.08 | 1 |
| Janssen Pharmaceuticals, Inc | $17.90 | 1 |
What the 2025 payments were for
- Compensation for services other than consulting, including serving as faculty or as a speaker at a venue other than a continuing education program$6,825 · 2 payments
- Food and Beverage$92.25 · 4 payments
- Education$17.90 · 1 payment
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
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