Antonio M. Alvarado, MD
NPI 1497076988ActiveIndividual· Internal Medicine, Nephrology· New Braunfels, TX
Internal Medicine, Nephrology (MD) in New Braunfels, Texas, trained at University of Texas Southwestern Medical School at Dallas (class of 2010). Their prescriptions cost Medicare Part D more than their services did: $669,503 for 2,479 claims, against $294,711 paid for services in 2024. Ardelyx, Inc. was the largest of 8 companies reporting payments in 2025, $513.41 in all, mostly food and beverage.
Overview
| NPI | 1497076988 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | MD |
| Sole proprietor | No |
| NPI issued | Jun 18, 2010 |
| Last updated in NPPES | Oct 26, 2015 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Internal Medicine, Nephrology Primary | 207RN0300X | Q1941 | TX |
| Internal Medicine | 207R00000X | 125058049 | IL |
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 - Nephrology (TX) |
|---|---|
| Accepts assignment | Yes (participating) |
Medicare services in 2024
| Medicare patients | 711 |
|---|---|
| Services billed | 5,908 across 33 procedure codes |
| Paid by Medicare | $294,711 |
Part D prescriptions in 2024
| Prescriptions (claims) | 2,479 · 5,316 30-day fills |
|---|---|
| Patients | 475 |
| Total drug cost | $669,503 |
| Generic share | 82% of claims |
Education and affiliations
| Medical school | University of Texas Southwestern Medical School at Dallas |
|---|---|
| Graduation year | 2010 |
| Medicare specialty | Nephrology |
| Secondary specialties | Internal Medicine |
| Telehealth | Offers telehealth |
Medical group
- San Antonio Kidney Disease Center Physicians Group, P.L.L.C.San Antonio, TX · 33 clinicians
Hospital affiliations
- Ascension Seton HaysKyle, TX
- Christus Santa Rosa Hospital-San MarcosSan Marcos, TX
- Guadalupe Regional Medical CenterSeguin, TX
- Memorial HospitalGonzales, TX
- Resolute Health HospitalNew Braunfels, TX
Other facilities
- Davita Guadalupe DialysisDialysis facility · Seguin, TX
- Davita New Braunfels DialysisDialysis facility · New Braunfels, TX
- Davita Seguin DialysisDialysis facility · Seguin, TX
Industry payments (Open Payments)
- 2025$513.41 · 29 payments from 8 companies
- 2024$144.14 · 7 payments from 5 companies
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Ardelyx, Inc. | $149.94 | 10 |
| Amgen Inc. | $107.62 | 5 |
| Novartis Pharmaceuticals Corporation | $81.37 | 4 |
| Boehringer Ingelheim Pharmaceuticals, Inc. | $72.34 | 5 |
| Novo Nordisk Inc | $46.48 | 2 |
What the 2025 payments were for
- Food and Beverage$513.41 · 29 payments
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
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