Horacio Alberto Diaz, MD
NPI 1912999699ActiveIndividual· Family Medicine· Laredo, TX
Family Medicine (MD) with Laredo Emergency Medicine Associates PA and 1 other group, practicing in Laredo, Texas. 352 Medicare patients in 2024, $48,983 paid; nearly all of their 372 Part D prescriptions were generic (91%). Janssen Pharmaceuticals, Inc reported $119.22 in payments in 2025, mostly food and beverage.
Overview
| NPI | 1912999699 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | MD |
| Sole proprietor | Yes |
| NPI issued | Aug 18, 2005 |
| Last updated in NPPES | Dec 8, 2025 |
| Certified by provider | Dec 8, 2025 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Family Medicine Primary | 207Q00000X | K4408 | TX |
| Emergency Medicine | 207P00000X | K4408 | TX |
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 (FL); Practitioner - Family Practice (TX) |
|---|---|
| Accepts assignment | Yes (participating) |
Medicare services in 2024
| Medicare patients | 352 |
|---|---|
| Services billed | 609 across 19 procedure codes |
| Paid by Medicare | $48,983 |
Part D prescriptions in 2024
| Prescriptions (claims) | 372 · 644 30-day fills |
|---|---|
| Patients | 200 |
| Total drug cost | $23,673 |
| Generic share | 91% of claims |
Education and affiliations
| Graduation year | 1988 |
|---|---|
| Medicare specialty | Family Practice |
Medical groups
- Laredo Emergency Medicine Associates PALaredo, TX · 46 clinicians
- Wellness Whisper PLLCLaredo, TX · 2 clinicians
Industry payments (Open Payments)
- 2025$119.22 · 1 payment from 1 company
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Janssen Pharmaceuticals, Inc | $119.22 | 1 |
What the 2025 payments were for
- Food and Beverage$119.22 · 1 payment
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
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All 118 family medicine physicians in Laredo · All family medicine physicians in Texas