Adnan Siddiqui, MD
NPI 1336320506ActiveIndividual· Internal Medicine, Cardiovascular Disease· Conroe, TX
Internal Medicine, Cardiovascular Disease (MD) with Arif Abdullah MD PA, practicing in Conroe, Texas. Their prescriptions cost Medicare Part D more than their services did: $852,768 for 4,388 claims, against $288,074 paid for services in 2024. Boston Scientific Corporation was the largest of 6 companies reporting payments in 2025, $178.76 in all, mostly food and beverage. Lists Aspire Hospital and 3 other hospitals as hospital affiliations.
Overview
| NPI | 1336320506 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | MD |
| Sole proprietor | No |
| NPI issued | Nov 16, 2007 |
| Last updated in NPPES | Dec 18, 2019 |
| Certified by provider | Dec 18, 2019 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Internal Medicine, Cardiovascular Disease Primary | 207RC0000X | N3309 | TX |
| Internal Medicine | 207R00000X | MD429213 | PA |
| Internal Medicine, Interventional Cardiology | 207RI0011X | N3309 | 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 | 541 |
|---|---|
| Services billed | 3,843 across 57 procedure codes |
| Paid by Medicare | $288,074 |
Part D prescriptions in 2024
| Prescriptions (claims) | 4,388 · 11,359 30-day fills |
|---|---|
| Patients | 604 |
| Total drug cost | $852,768 |
| Generic share | 83% of claims |
Education and affiliations
| Graduation year | 1993 |
|---|---|
| Medicare specialty | Cardiovascular Disease (Cardiology) |
Medical group
- Arif Abdullah MD PAHuntsville, TX · 4 clinicians
Hospital affiliations
- Aspire HospitalConroe, TX
- HCA Houston Healthcare ConroeConroe, TX
- Houston Methodist the Woodlands HospitalThe Woodlands, TX
- Huntsville Memorial HospitalHuntsville, TX
Industry payments (Open Payments)
- 2025$178.76 · 8 payments from 6 companies
- 2024$869.82 · 12 payments from 4 companies
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Boston Scientific Corporation | $58.92 | 2 |
| Baxter Healthcare | $35.44 | 2 |
| Novartis Pharmaceuticals Corporation | $29.42 | 1 |
| Teleflex LLC | $26.22 | 1 |
| E.R. Squibb & Sons, L.L.C. | $20.72 | 1 |
What the 2025 payments were for
- Food and Beverage$178.76 · 8 payments
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
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