Darren Edward Harrison, MB BCH BAO
NPI 1124517172ActiveIndividual· Internal Medicine, Cardiovascular Disease· Austin, TX
Internal Medicine, Cardiovascular Disease (MB BCH BAO) with Usacs Integrated Acute Care Services of Texas, PLLC and 1 other group, practicing in Austin, Texas. In 2024 Medicare paid $5,878 for 48 patients, and Part D covered 86 of their prescriptions, 83% of them generic. Heartflow, Inc. reported $21.14 in payments in 2025, mostly food and beverage. Lists Ascension Seton Medical Center Austin as a hospital affiliation.
Overview
| NPI | 1124517172 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | MB BCH BAO |
| Sole proprietor | No |
| NPI issued | May 5, 2018 |
| Last updated in NPPES | Oct 19, 2025 |
| Certified by provider | Oct 19, 2025 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Internal Medicine, Cardiovascular Disease Primary | 207RC0000X | T2802 | 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 | 48 |
|---|---|
| Services billed | 62 across 8 procedure codes |
| Paid by Medicare | $5,878 |
Part D prescriptions in 2024
| Prescriptions (claims) | 86 · 150 30-day fills |
|---|---|
| Patients | 21 |
| Total drug cost | $8,721 |
| Generic share | 83% of claims |
Education and affiliations
| Graduation year | 2018 |
|---|---|
| Medicare specialty | Cardiovascular Disease (Cardiology) |
| Secondary specialties | Internal Medicine |
Medical groups
- Usacs Integrated Acute Care Services of Texas, PLLCKerrville, TX · 387 clinicians
- Travis County Healthcare DistrictRound Rock, TX · 32 clinicians
Hospital affiliation
- Ascension Seton Medical Center AustinAustin, TX
Industry payments (Open Payments)
- 2025$21.14 · 1 payment from 1 company
- 2024$15.65 · 1 payment from 1 company
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Heartflow, Inc. | $21.14 | 1 |
What the 2025 payments were for
- Food and Beverage$21.14 · 1 payment
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
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