Steven Mercado, M.D.
NPI 1043615503ActiveIndividual· Internal Medicine· San Antonio, TX
Internal Medicine (M.D.) in San Antonio, Texas, trained at University of Texas Southwestern Medical School at Dallas (class of 1993). Their prescriptions cost Medicare Part D more than their services did: $836,215 for 7,092 claims, against $45,509 paid for services in 2024. Astrazeneca Pharmaceuticals LP was the largest of 24 companies reporting payments in 2025, $2,665 in all, mostly food and beverage.
Overview
| NPI | 1043615503 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | M.D. |
| Sole proprietor | Yes |
| NPI issued | Oct 27, 2014 |
| Last updated in NPPES | May 17, 2021 |
| Certified by provider | May 17, 2021 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Internal Medicine Primary | 207R00000X | J7354 | 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 - Internal Medicine (TX) |
|---|---|
| Accepts assignment | Yes (participating) |
Medicare services in 2024
| Medicare patients | 225 |
|---|---|
| Services billed | 866 across 25 procedure codes |
| Paid by Medicare | $45,509 |
Part D prescriptions in 2024
| Prescriptions (claims) | 7,092 · 14,128 30-day fills |
|---|---|
| Patients | 638 |
| Total drug cost | $836,215 |
| Generic share | 83% of claims |
Education and affiliations
| Medical school | University of Texas Southwestern Medical School at Dallas |
|---|---|
| Graduation year | 1993 |
| Medicare specialty | Internal Medicine |
| Telehealth | Offers telehealth |
Medical group
- Medcare Associates PACastroville, TX · 28 clinicians
Hospital affiliation
- Medina Regional HospitalHondo, TX
Industry payments (Open Payments)
- 2025$2,665 · 69 payments from 24 companies
- 2024$2,823 · 87 payments from 19 companies
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Astrazeneca Pharmaceuticals LP | $358.42 | 10 |
| Novo Nordisk Inc | $316.55 | 7 |
| Lilly USA, LLC | $252.26 | 10 |
| Abbvie Inc. | $200.03 | 10 |
| Amgen Inc. | $174.13 | 5 |
What the 2025 payments were for
- Food and Beverage$2,665 · 69 payments
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
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All 824 internal medicine physicians in San Antonio · All internal medicine physicians in Texas