James Nathaniel Mason, D.O.
NPI 1114362001ActiveIndividual· Internal Medicine, Hematology & Oncology· Ogden, UT
Internal Medicine, Hematology & Oncology (D.O.) in Ogden, Utah, trained at Oklahoma State University College of Osteopathic Medicine (class of 2013). Their prescriptions cost Medicare Part D more than their services did: $4,199,822 for 1,216 claims, against $51,067 paid for services in 2024. Takeda Pharmaceuticals U.S.A., Inc. was the largest of 3 companies reporting payments in 2025, $200.23 in all, mostly food and beverage.
Overview
| NPI | 1114362001 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | D.O. |
| Sole proprietor | No |
| NPI issued | May 6, 2013 |
| Last updated in NPPES | Jul 16, 2025 |
| Certified by provider | Jul 16, 2025 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Internal Medicine, Hematology & Oncology Primary | 207RH0003X | Q8954 | 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 - Hematology/Oncology (UT) |
|---|---|
| Accepts assignment | Yes (participating) |
Medicare services in 2024
| Medicare patients | 229 |
|---|---|
| Services billed | 799 across 20 procedure codes |
| Paid by Medicare | $51,067 |
Part D prescriptions in 2024
| Prescriptions (claims) | 1,216 · 1,488 30-day fills |
|---|---|
| Patients | 145 |
| Total drug cost | $4,199,822 |
| Generic share | 71% of claims |
Education and affiliations
| Medical school | Oklahoma State University College of Osteopathic Medicine |
|---|---|
| Graduation year | 2013 |
| Medicare specialty | Hematology/Oncology |
| Telehealth | Offers telehealth |
Medical group
- Ihc Health Services IncMurray, UT · 3,960 clinicians
Hospital affiliations
- Baylor Scott & White Medical Center - TempleTemple, TX
- Intermountain Health Layton HospitalLayton, UT
- Intermountain Health McKay-Dee HospitalOgden, UT
- Intermountain Medical CenterMurray, UT
Industry payments (Open Payments)
- 2025$200.23 · 3 payments from 3 companies
- 2024$200.83 · 2 payments from 2 companies
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Takeda Pharmaceuticals U.S.A., Inc. | $105.81 | 1 |
| Astrazeneca Pharmaceuticals LP | $77.63 | 1 |
| Regeneron Healthcare Solutions, Inc. | $16.79 | 1 |
What the 2025 payments were for
- Food and Beverage$200.23 · 3 payments
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
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