David Earl Yardley, MD
NPI 1548253560ActiveIndividual· Internal Medicine, Cardiovascular Disease· Harlingen, TX
Internal Medicine, Cardiovascular Disease (MD) in Harlingen, Texas, trained at Loyola University of Chicago, Stritch School of Medicine (class of 1980). Their prescriptions cost Medicare Part D more than their services did: $1,943,665 for 5,984 claims, against $155,555 paid for services in 2024. Abbott Laboratories was the largest of 11 companies reporting payments in 2025, $1,130 in all, mostly food and beverage.
Overview
| NPI | 1548253560 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | MD |
| Sole proprietor | No |
| NPI issued | Aug 24, 2005 |
| Last updated in NPPES | Apr 13, 2016 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Internal Medicine, Cardiovascular Disease Primary | 207RC0000X | K9202 | 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 - Cardiovascular Disease (Cardiology) (TX) |
|---|---|
| Accepts assignment | Yes (participating) |
Medicare services in 2024
| Medicare patients | 568 |
|---|---|
| Services billed | 1,745 across 85 procedure codes |
| Paid by Medicare | $155,555 |
Part D prescriptions in 2024
| Prescriptions (claims) | 5,984 · 14,359 30-day fills |
|---|---|
| Patients | 782 |
| Total drug cost | $1,943,665 |
| Generic share | 71% of claims |
Education and affiliations
| Medical school | Loyola University of Chicago, Stritch School of Medicine |
|---|---|
| Graduation year | 1980 |
| Medicare specialty | Cardiovascular Disease (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$1,130 · 22 payments from 11 companies
- 2024$158.14 · 6 payments from 4 companies
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Abbott Laboratories | $165.01 | 5 |
| Shockwave Medical, Inc | $159.97 | 1 |
| Endologix LLC | $159.16 | 3 |
| Abiomed | $144.72 | 1 |
| Impulse Dynamics (USA) Inc. | $136.07 | 2 |
What the 2025 payments were for
- Food and Beverage$1,130 · 22 payments
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
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All 24 cardiologists in Harlingen · All cardiologists in Texas