Tonya L. Gray, MD
NPI 1427164201ActiveIndividual· Family Medicine· Mason City, IA
Family Medicine (MD) in Mason City, Iowa, trained at University of Iowa, Rj & L Carver College of Medicine (class of 1998). Their prescriptions cost Medicare Part D more than their services did: $247,074 for 3,703 claims, against $47,889 paid for services in 2024. Boston Scientific Corporation reported $16.17 in payments in 2024, mostly food and beverage.
Overview
| NPI | 1427164201 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | MD |
| Sole proprietor | No |
| NPI issued | Aug 22, 2006 |
| Last updated in NPPES | Aug 26, 2026 |
| Certified by provider | Aug 26, 2026 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Family Medicine Primary | 207Q00000X | MD-35644 | IA |
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 (IA) |
|---|---|
| Accepts assignment | Yes (participating) |
Medicare services in 2024
| Medicare patients | 234 |
|---|---|
| Services billed | 867 across 26 procedure codes |
| Paid by Medicare | $47,889 |
Part D prescriptions in 2024
| Prescriptions (claims) | 3,703 · 8,637 30-day fills |
|---|---|
| Patients | 356 |
| Total drug cost | $247,074 |
| Generic share | 89% of claims |
Education and affiliations
| Medical school | University of Iowa, Rj & L Carver College of Medicine |
|---|---|
| Graduation year | 1998 |
| Medicare specialty | Family Practice |
Medical group
- North Iowa Mercy ClinicsMason City, IA · 302 clinicians
Hospital affiliation
- Mercyone North Iowa Medical CenterMason City, IA
Other facilities
- Mercyone Des Moines Home CareHome health agency · Des Moines, IA
Industry payments (Open Payments)
- 2024$16.17 · 1 payment from 1 company
Top paying companies in 2024
| Company | Amount | Payments |
|---|---|---|
| Boston Scientific Corporation | $16.17 | 1 |
What the 2024 payments were for
- Food and Beverage$16.17 · 1 payment
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
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All 67 family medicine physicians in Mason City · All family medicine physicians in Iowa