Mason C. Heywood, MD
NPI 1902391857ActiveIndividual· Family Medicine· Tooele, UT
Family Medicine (MD) with Tooele Clinic Corp, practicing in Tooele, Utah. Their prescriptions cost Medicare Part D more than their services did: $380,241 for 4,188 claims, against $18,642 paid for services in 2024. Abbvie Inc. was the largest of 8 companies reporting payments in 2025, $250.18 in all, mostly food and beverage. Lists Mountain West Medical Center as a hospital affiliation.
Overview
| NPI | 1902391857 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | MD |
| Sole proprietor | No |
| NPI issued | Jun 23, 2018 |
| Last updated in NPPES | Dec 30, 2024 |
| Certified by provider | Dec 30, 2024 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Family Medicine Primary | 207Q00000X | 14071413-1205 | UT |
| Family Medicine | 207Q00000X | RS2018-0571 | NM |
| Family Medicine | 207Q00000X | M-15889 | ID |
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 - Family Practice (UT) |
|---|---|
| Accepts assignment | Yes (participating) |
Medicare services in 2024
| Medicare patients | 136 |
|---|---|
| Services billed | 285 across 30 procedure codes |
| Paid by Medicare | $18,642 |
Part D prescriptions in 2024
| Prescriptions (claims) | 4,188 · 8,896 30-day fills |
|---|---|
| Patients | 389 |
| Total drug cost | $380,241 |
| Generic share | 87% of claims |
Education and affiliations
| Graduation year | 2017 |
|---|---|
| Medicare specialty | Family Practice |
Medical group
- Tooele Clinic CorpTooele, UT · 61 clinicians
Hospital affiliation
- Mountain West Medical CenterTooele, UT
Industry payments (Open Payments)
- 2025$250.18 · 13 payments from 8 companies
- 2024$47.55 · 2 payments from 2 companies
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Abbvie Inc. | $86.90 | 4 |
| Takeda Pharmaceuticals U.S.A., Inc. | $38.57 | 2 |
| Novo Nordisk Inc | $29.45 | 2 |
| Lilly USA, LLC | $24.06 | 1 |
| Medtronic, Inc. | $21.68 | 1 |
What the 2025 payments were for
- Food and Beverage$250.18 · 13 payments
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
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All 26 family medicine physicians in Tooele · All family medicine physicians in Utah