Carlos Barreto, M.D.
NPI 1407867138ActiveIndividual· Specialist· Bayamon, PR
Specialist (M.D.) in Bayamon, Puerto Rico, trained at University of Puerto Rico School of Medicine (class of 1999). Their prescriptions cost Medicare Part D more than their services did: $462,179 for 4,739 claims, against $7,595 paid for services in 2024. Lilly USA, LLC was the largest of 6 companies reporting payments in 2025, $321.73 in all, mostly food and beverage.
Overview
| NPI | 1407867138 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | M.D. |
| Sole proprietor | Yes |
| NPI issued | Aug 10, 2006 |
| Last updated in NPPES | Dec 15, 2011 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Specialist Primary | 174400000X | 13220 | 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 | 15 |
|---|---|
| Services billed | 65 across 10 procedure codes |
| Paid by Medicare | $7,595 |
Part D prescriptions in 2024
| Prescriptions (claims) | 4,739 · 5,585 30-day fills |
|---|---|
| Patients | 555 |
| Total drug cost | $462,179 |
| Generic share | 95% of claims |
Education and affiliations
| Medical school | University of Puerto Rico School of Medicine |
|---|---|
| Graduation year | 1999 |
| Medicare specialty | Neurology |
| Secondary specialties | General Surgery, Internal Medicine |
Industry payments (Open Payments)
- 2025$321.73 · 8 payments from 6 companies
- 2024$577.86 · 15 payments from 5 companies
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Lilly USA, LLC | $118.71 | 1 |
| Astrazeneca Pharmaceuticals LP | $68.93 | 3 |
| Harmony Biosciences LLC | $54.99 | 1 |
| Merck Sharp & Dohme LLC | $29.56 | 1 |
| Dexcom, Inc. | $26.36 | 1 |
What the 2025 payments were for
- Food and Beverage$266.74 · 7 payments
- Education$54.99 · 1 payment
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
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