David Wayne Hayes, MEDICAL DOCTOR
NPI 1093801581ActiveIndividual· Internal Medicine, Cardiovascular Disease· Austin, TX
Internal Medicine, Cardiovascular Disease (MEDICAL DOCTOR) in Austin, Texas, trained at University of Kansas School of Med (Kc/Wich/Sal) (class of 1984). Their prescriptions cost Medicare Part D more than their services did: $508,483 for 5,042 claims, against $96,557 paid for services in 2024. Alk-Abello, Inc was the largest of 2 companies reporting payments in 2025, $57.33 in all, mostly food and beverage.
Overview
| NPI | 1093801581 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | MEDICAL DOCTOR |
| Sole proprietor | Yes |
| NPI issued | Oct 4, 2006 |
| Last updated in NPPES | Aug 4, 2011 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Internal Medicine, Cardiovascular Disease Primary | 207RC0000X | J1263 | 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 | 491 |
|---|---|
| Services billed | 1,358 across 18 procedure codes |
| Paid by Medicare | $96,557 |
Part D prescriptions in 2024
| Prescriptions (claims) | 5,042 · 13,303 30-day fills |
|---|---|
| Patients | 586 |
| Total drug cost | $508,483 |
| Generic share | 89% of claims |
Education and affiliations
| Medical school | University of Kansas School of Med (Kc/Wich/Sal) |
|---|---|
| Graduation year | 1984 |
| Medicare specialty | Cardiovascular Disease (Cardiology) |
| Telehealth | Offers telehealth |
Industry payments (Open Payments)
- 2025$57.33 · 2 payments from 2 companies
- 2024$64.70 · 3 payments from 3 companies
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Alk-Abello, Inc | $30.88 | 1 |
| Pfizer Inc. | $26.45 | 1 |
What the 2025 payments were for
- Food and Beverage$57.33 · 2 payments
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
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