Hussein Abbas, MD, PHD
NPI 1609220532ActiveIndividual· Internal Medicine· Houston, TX
Internal Medicine (MD, PHD) with Physicians Referral Service, practicing in Houston, Texas. Their prescriptions cost Medicare Part D more than their services did: $222,761 for 206 claims, against $40,737 paid for services in 2024. Novo Nordisk Inc was the largest of 3 companies reporting payments in 2025, $264.47 in all, mostly food and beverage.
Overview
| NPI | 1609220532 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | MD, PHD |
| Sole proprietor | No |
| NPI issued | Apr 18, 2016 |
| Last updated in NPPES | Sep 17, 2024 |
| Certified by provider | Dec 9, 2021 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Internal Medicine Primary | 207R00000X | R8851 | TX |
| Student in an Organized Health Care Education/Training Program | 390200000X | — | — |
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 - Internal Medicine (TX) |
|---|---|
| Accepts assignment | Yes (participating) |
Medicare services in 2024
| Medicare patients | 93 |
|---|---|
| Services billed | 455 across 14 procedure codes |
| Paid by Medicare | $40,737 |
Part D prescriptions in 2024
| Prescriptions (claims) | 206 · 221 30-day fills |
|---|---|
| Patients | 49 |
| Total drug cost | $222,761 |
| Generic share | 76% of claims |
Education and affiliations
| Graduation year | 2014 |
|---|---|
| Medicare specialty | Internal Medicine |
| Secondary specialties | Hematology/Oncology |
| Telehealth | Offers telehealth |
Medical group
- Physicians Referral ServiceHouston, TX · 2,765 clinicians
Industry payments (Open Payments)
- 2025$264.47 · 3 payments from 3 companies
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Novo Nordisk Inc | $116.65 | 1 |
| Genzyme Corporation | $114.91 | 1 |
| Abbvie Inc. | $32.91 | 1 |
What the 2025 payments were for
- Food and Beverage$264.47 · 3 payments
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
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