Andrew Davis Assaf, MD
NPI 1508214321ActiveIndividual· Internal Medicine, Interventional Cardiology· Lufkin, TX
Internal Medicine, Interventional Cardiology (MD) with Christus Trinity Clinic Texas and 1 other group, practicing in Lufkin, Texas. Their prescriptions cost Medicare Part D more than their services did: $268,233 for 1,085 claims, against $102,005 paid for services in 2024. Shockwave Medical, Inc was the largest of 10 companies reporting payments in 2025, $1,411 in all, mostly food and beverage. Lists Chi St Lukes Health Memorial Lufkin and 2 other hospitals as hospital affiliations.
Overview
| NPI | 1508214321 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | MD |
| Sole proprietor | No |
| NPI issued | Jun 2, 2016 |
| Last updated in NPPES | Feb 17, 2026 |
| Certified by provider | Feb 17, 2026 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Internal Medicine, Interventional Cardiology Primary | 207RI0011X | T7486 | TX |
| Internal Medicine, Cardiovascular Disease | 207RC0000X | 4301117371 | MI |
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 - Interventional Cardiology (TX) |
|---|---|
| Accepts assignment | Yes (participating) |
Medicare services in 2024
| Medicare patients | 607 |
|---|---|
| Services billed | 1,907 across 61 procedure codes |
| Paid by Medicare | $102,005 |
Part D prescriptions in 2024
| Prescriptions (claims) | 1,085 · 2,777 30-day fills |
|---|---|
| Patients | 257 |
| Total drug cost | $268,233 |
| Generic share | 89% of claims |
Education and affiliations
| Graduation year | 2014 |
|---|---|
| Medicare specialty | Interventional Cardiology |
Medical groups
- Christus Trinity Clinic TexasTyler, TX · 1,540 clinicians
- Baylor St. Luke's Medical GroupThe Woodlands, TX · 170 clinicians
Hospital affiliations
- Chi St Lukes Health Memorial LufkinLufkin, TX
- Christus Good Shepherd Medical CenterLongview, TX
- Woodland Heights Medical CenterLufkin, TX
Industry payments (Open Payments)
- 2025$1,411 · 22 payments from 10 companies
- 2024$1,940 · 34 payments from 9 companies
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Shockwave Medical, Inc | $398.23 | 7 |
| Penumbra, Inc. | $174.49 | 2 |
| Stryker Corporation | $151.87 | 2 |
| Abbott Laboratories | $145.42 | 5 |
| Novartis Pharmaceuticals Corporation | $129.87 | 1 |
What the 2025 payments were for
- Food and Beverage$1,411 · 22 payments
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
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