Yanira Fernandez Esteves, MD
NPI 1427017193ActiveIndividual· Family Medicine· San Juan, PR
Family Medicine (MD) in San Juan, Puerto Rico, trained at University of Puerto Rico School of Medicine (class of 1992). Their prescriptions cost Medicare Part D more than their services did: $266,801 for 3,381 claims, against $4,174 paid for services in 2024. Lilly USA, LLC was the largest of 5 companies reporting payments in 2025, $451.45 in all, mostly food and beverage.
Overview
| NPI | 1427017193 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | MD |
| Sole proprietor | Yes |
| NPI issued | Mar 21, 2006 |
| Last updated in NPPES | Apr 8, 2010 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Family Medicine Primary | 207Q00000X | 11705 | PR |
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 - Family Practice (PR) |
|---|---|
| Accepts assignment | Yes (participating) |
Medicare services in 2024
| Medicare patients | 13 |
|---|---|
| Services billed | 72 across 9 procedure codes |
| Paid by Medicare | $4,174 |
Part D prescriptions in 2024
| Prescriptions (claims) | 3,381 · 7,658 30-day fills |
|---|---|
| Patients | 228 |
| Total drug cost | $266,801 |
| Generic share | 87% of claims |
Education and affiliations
| Medical school | University of Puerto Rico School of Medicine |
|---|---|
| Graduation year | 1992 |
| Medicare specialty | Family Practice |
Industry payments (Open Payments)
- 2025$451.45 · 8 payments from 5 companies
- 2024$856.33 · 12 payments from 6 companies
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Lilly USA, LLC | $189.45 | 2 |
| Boehringer Ingelheim Pharmaceuticals, Inc. | $125.00 | 1 |
| Merck Sharp & Dohme LLC | $53.75 | 1 |
| Glaxosmithkline, LLC. | $50.00 | 2 |
| Novo Nordisk Inc | $33.25 | 2 |
What the 2025 payments were for
- Food and Beverage$451.45 · 8 payments
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
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