Michael Balderas, M.D.
NPI 1669733341ActiveIndividual· Internal Medicine, Cardiovascular Disease· Harlingen, TX
Internal Medicine, Cardiovascular Disease (M.D.) with South Heart Clinic, PLLC, practicing in Harlingen, Texas. Their prescriptions cost Medicare Part D more than their services did: $897,154 for 6,352 claims, against $115,004 paid for services in 2024. Novartis Pharmaceuticals Corporation was the largest of 4 companies reporting payments in 2025, $128.74 in all, mostly food and beverage. Lists Doctors Hosptal at Renaissance and 3 other hospitals as hospital affiliations.
Overview
| NPI | 1669733341 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | M.D. |
| Sole proprietor | No |
| NPI issued | May 30, 2012 |
| Last updated in NPPES | Sep 11, 2019 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Internal Medicine, Cardiovascular Disease Primary | 207RC0000X | S2232 | TX |
Exclusion screening
| List | Result | Details |
|---|---|---|
| HHS-OIG LEIE · Oct 9, 2026 | No match | Checked by NPI and by name + state |
| North Carolina Medicaid · Nov 10, 2026 | No match | — |
| New York OMIG · Nov 10, 2026 | No match | — |
| Ohio Medicaid · Nov 10, 2026 | No match | — |
| Pennsylvania Medicheck · Nov 10, 2026 | No match | — |
| Washington HCA · Nov 10, 2026 | No match | — |
Official OIG search · How matching works ·Bulk check a roster
Medicare
| Enrollment (PECOS) | Enrolled Practitioner - Cardiovascular Disease (Cardiology) (TX) |
|---|---|
| Accepts assignment | Yes (participating) |
Medicare services in 2024
| Medicare patients | 434 |
|---|---|
| Services billed | 1,329 across 67 procedure codes |
| Paid by Medicare | $115,004 |
Part D prescriptions in 2024
| Prescriptions (claims) | 6,352 · 15,369 30-day fills |
|---|---|
| Patients | 732 |
| Total drug cost | $897,154 |
| Generic share | 87% of claims |
Education and affiliations
| Graduation year | 2011 |
|---|---|
| Medicare specialty | Cardiovascular Disease (Cardiology) |
| Secondary specialties | Internal Medicine, Interventional Cardiology |
Medical group
- South Heart Clinic, PLLCHarlingen, TX · 14 clinicians
Hospital affiliations
- Doctors Hosptal at RenaissanceEdinburg, TX
- Harlingen Medical CenterHarlingen, TX
- Knapp Medical CenterWeslaco, TX
- Vhs Harlingen Hospital Company LLCHarlingen, TX
Industry payments (Open Payments)
- 2025$128.74 · 7 payments from 4 companies
- 2024$342.36 · 10 payments from 5 companies
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Novartis Pharmaceuticals Corporation | $47.11 | 3 |
| Astrazeneca Pharmaceuticals LP | $44.64 | 2 |
| Inspire Medical Systems, Inc. | $21.80 | 1 |
| Zoll Services LLC (A/K/A Zoll Lifecor Corp) | $15.19 | 1 |
What the 2025 payments were for
- Food and Beverage$128.74 · 7 payments
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
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