Naggai Yamir Gonzalez-Segarra, M.D.
NPI 1972709525ActiveIndividual· Psychiatry & Neurology, Neurology· Caguas, PR
Psychiatry & Neurology, Neurology (M.D.) in Caguas, Puerto Rico, trained at University of Puerto Rico School of Medicine (class of 2006). Their prescriptions cost Medicare Part D more than their services did: $950,790 for 2,850 claims, against $2,266 paid for services in 2024. Janssen Biotech, Inc. was the largest of 6 companies reporting payments in 2025, $734.72 in all, mostly food and beverage.
Overview
| NPI | 1972709525 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | M.D. |
| Sole proprietor | Yes |
| NPI issued | Jun 21, 2007 |
| Last updated in NPPES | Dec 29, 2023 |
| Certified by provider | Dec 27, 2023 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Psychiatry & Neurology, Neurology Primary | 2084N0400X | 18205 | PR |
| Psychiatry & Neurology, Neuromuscular Medicine | 2084N0008X | 18205 | 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 - Neurology (PR) |
|---|---|
| Accepts assignment | Yes (participating) |
Medicare services in 2024
| Medicare patients | 11 |
|---|---|
| Services billed | 29 across 11 procedure codes |
| Paid by Medicare | $2,266 |
Part D prescriptions in 2024
| Prescriptions (claims) | 2,850 · 3,425 30-day fills |
|---|---|
| Patients | 251 |
| Total drug cost | $950,790 |
| Generic share | 88% of claims |
Education and affiliations
| Medical school | University of Puerto Rico School of Medicine |
|---|---|
| Graduation year | 2006 |
| Medicare specialty | Neurology |
Hospital affiliation
- Hospital Menonita Caguas IncCaguas, PR
Industry payments (Open Payments)
- 2025$734.72 · 8 payments from 6 companies
- 2024$742.67 · 8 payments from 7 companies
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Janssen Biotech, Inc. | $281.63 | 2 |
| Tg Therapeutics, Inc. | $150.00 | 1 |
| E.R. Squibb & Sons, L.L.C. | $123.88 | 1 |
| Eisai Inc. | $118.34 | 1 |
| Janssen Pharmaceuticals, Inc | $35.02 | 2 |
What the 2025 payments were for
- Food and Beverage$716.82 · 7 payments
- Education$17.90 · 1 payment
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
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