Constantine Khalil Saadeh, M.D.
NPI 1457322869ActiveIndividual· Internal Medicine, Rheumatology· Amarillo, TX
Internal Medicine, Rheumatology (M.D.) with Allergy Arts LLP, practicing in Amarillo, Texas. In 2024 Medicare paid $4,945,024 for 962 patients, and Part D covered 8,425 of their prescriptions, 74% of them generic. Astrazeneca Pharmaceuticals LP was the largest of 19 companies reporting payments in 2025, $1,260 in all, mostly food and beverage. Lists Bsa Hospital and 4 other hospitals as hospital affiliations.
Overview
| NPI | 1457322869 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | M.D. |
| Sole proprietor | No |
| NPI issued | Feb 1, 2006 |
| Last updated in NPPES | Jan 9, 2025 |
| Certified by provider | Jan 3, 2025 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Internal Medicine, Rheumatology Primary | 207RR0500X | 102726 | TX |
| Internal Medicine, Allergy & Immunology | 207RA0201X | 102726 | 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 - Rheumatology (TX) |
|---|---|
| Accepts assignment | Yes (participating) |
Medicare services in 2024
| Medicare patients | 962 |
|---|---|
| Services billed | 289,238 across 202 procedure codes |
| Paid by Medicare | $4,945,024 |
Part D prescriptions in 2024
| Prescriptions (claims) | 8,425 · 12,323 30-day fills |
|---|---|
| Patients | 919 |
| Total drug cost | $5,599,548 |
| Generic share | 74% of claims |
Education and affiliations
| Graduation year | 1982 |
|---|---|
| Medicare specialty | Rheumatology |
| Secondary specialties | Allergy/Immunology |
| Telehealth | Offers telehealth |
Medical group
- Allergy Arts LLPAmarillo, TX · 4 clinicians
Hospital affiliations
- Bsa HospitalAmarillo, TX
- Childress Regional Medical CenterChildress, TX
- Northwest Texas HospitalAmarillo, TX
- Ochiltree General HospitalPerryton, TX
- Union County General HospitalClayton, NM
Industry payments (Open Payments)
- 2025$1,260 · 109 payments from 19 companies
- 2024$1,326 · 74 payments from 17 companies
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Astrazeneca Pharmaceuticals LP | $314.13 | 41 |
| Amgen Inc. | $283.21 | 40 |
| Blueprint Medicines Corporation | $102.14 | 4 |
| Sobi, Inc | $66.47 | 2 |
| Ionis Pharmaceuticals, Inc. | $62.31 | 2 |
What the 2025 payments were for
- Food and Beverage$1,260 · 109 payments
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
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