Ala Nijim, M.D
NPI 1356683189ActiveIndividual· Internal Medicine, Pulmonary Disease· Carrollton, TX
Internal Medicine, Pulmonary Disease (M.D) with Castle Hills Medical Group, practicing in Carrollton, Texas. Their prescriptions cost Medicare Part D more than their services did: $841,753 for 1,713 claims, against $112,937 paid for services in 2024. Glaxosmithkline, LLC. was the largest of 10 companies reporting payments in 2025, $1,296 in all, mostly food and beverage. Lists Baylor Scott & White the Heart Hospital Plano and 2 other hospitals as hospital affiliations.
Overview
| NPI | 1356683189 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | M.D |
| Sole proprietor | No |
| NPI issued | Mar 19, 2013 |
| Last updated in NPPES | Apr 22, 2026 |
| Certified by provider | Apr 22, 2026 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Internal Medicine, Pulmonary Disease Primary | 207RP1001X | S0758 | TX |
| Internal Medicine | 207R00000X | S0758 | TX |
Exclusion screening
| List | Result | Details |
|---|---|---|
| HHS-OIG LEIE · Oct 9, 2026 | No match | Checked by NPI and by name + state |
| North Carolina Medicaid · Nov 4, 2026 | No match | — |
| New York OMIG · Nov 4, 2026 | No match | — |
| Ohio Medicaid · Nov 4, 2026 | No match | — |
| Pennsylvania Medicheck · Nov 4, 2026 | No match | — |
| Washington HCA · Nov 4, 2026 | No match | — |
Official OIG search · How matching works ·Bulk check a roster
Medicare
| Enrollment (PECOS) | Enrolled Practitioner - Pulmonary Disease (TX) |
|---|---|
| Accepts assignment | Yes (participating) |
Medicare services in 2024
| Medicare patients | 472 |
|---|---|
| Services billed | 1,867 across 23 procedure codes |
| Paid by Medicare | $112,937 |
Part D prescriptions in 2024
| Prescriptions (claims) | 1,713 · 2,427 30-day fills |
|---|---|
| Patients | 430 |
| Total drug cost | $841,753 |
| Generic share | 42% of claims |
Education and affiliations
| Graduation year | 2009 |
|---|---|
| Medicare specialty | Pulmonary Disease |
| Secondary specialties | Internal Medicine |
| Telehealth | Offers telehealth |
Medical group
- Castle Hills Medical GroupCarrollton, TX · 2 clinicians
Hospital affiliations
- Baylor Scott & White the Heart Hospital PlanoPlano, TX
- Carrollton Regional Medical CenterCarrollton, TX
- Texas Health Presbyterian Hospital PlanoPlano, TX
Industry payments (Open Payments)
- 2025$1,296 · 67 payments from 10 companies
- 2024$1,148 · 64 payments from 17 companies
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Glaxosmithkline, LLC. | $448.31 | 26 |
| Insmed, Inc. | $165.70 | 12 |
| Genzyme Corporation | $156.88 | 5 |
| Astrazeneca Pharmaceuticals LP | $153.08 | 7 |
| Boehringer Ingelheim Pharmaceuticals, Inc. | $142.37 | 6 |
What the 2025 payments were for
- Food and Beverage$1,296 · 67 payments
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
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