Luis Angel Reyes Mercado, M.D.
NPI 1669676979ActiveIndividual· Emergency Medicine· Round Rock, TX
Emergency Medicine (M.D.) in Round Rock, Texas, trained at University Central del Caribe Escuela de Medicina (class of 2005). 372 Medicare patients in 2024, $50,029 paid; nearly all of their 260 Part D prescriptions were generic (92%). Dexcom, Inc. reported $21.84 in payments in 2024, mostly food and beverage.
Overview
| NPI | 1669676979 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | M.D. |
| Sole proprietor | Yes |
| NPI issued | Jun 12, 2007 |
| Last updated in NPPES | Jun 24, 2026 |
| Certified by provider | Jun 24, 2026 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Emergency Medicine Primary | 207P00000X | P4804 | 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 - Emergency Medicine (TX); Practitioner - Emergency Medicine (VI) |
|---|---|
| Accepts assignment | Yes (participating) |
Medicare services in 2024
| Medicare patients | 372 |
|---|---|
| Services billed | 480 across 22 procedure codes |
| Paid by Medicare | $50,029 |
Part D prescriptions in 2024
| Prescriptions (claims) | 260 · 264 30-day fills |
|---|---|
| Patients | 172 |
| Total drug cost | $3,167 |
| Generic share | 92% of claims |
Education and affiliations
| Medical school | University Central del Caribe Escuela de Medicina |
|---|---|
| Graduation year | 2005 |
| Medicare specialty | Emergency Medicine |
Medical groups
- Longhorn Emergency Medical Associates PAAustin, TX · 159 clinicians
- Comal Emergency Physicians PLLCSan Marcos, TX · 91 clinicians
Hospital affiliations
- Baylor Scott & White Medical Center - Round RockRound Rock, TX
- Baylor Scott & White Medical Center- AustinAustin, TX
- Christus Santa Rosa Hospital-San MarcosSan Marcos, TX
- South Texas Health SystemEdinburg, TX
- St David's South Austin Medical CenterAustin, TX
Industry payments (Open Payments)
- 2024$21.84 · 1 payment from 1 company
Top paying companies in 2024
| Company | Amount | Payments |
|---|---|---|
| Dexcom, Inc. | $21.84 | 1 |
What the 2024 payments were for
- Food and Beverage$21.84 · 1 payment
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
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