Nathanael David Gay, M.D.
NPI 1417214420ActiveIndividual· Internal Medicine, Hematology & Oncology· Spokane, WA
Internal Medicine, Hematology & Oncology (M.D.) in Spokane, Washington, trained at University of Washington School of Medicine (class of 2012). Their prescriptions cost Medicare Part D more than their services did: $8,141,657 for 2,424 claims, against $91,119 paid for services in 2024. Pfizer Inc. was the largest of 12 companies reporting payments in 2025, $429.47 in all, mostly food and beverage.
Overview
| NPI | 1417214420 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | M.D. |
| Sole proprietor | No |
| NPI issued | Apr 15, 2012 |
| Last updated in NPPES | Oct 3, 2025 |
| Certified by provider | Oct 3, 2025 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Internal Medicine, Hematology & Oncology Primary | 207RH0003X | MD61511710 | WA |
| Internal Medicine, Medical Oncology | 207RX0202X | M14104 | ID |
Exclusion screening
| List | Result | Details |
|---|---|---|
| HHS-OIG LEIE · Oct 9, 2026 | No match | Checked by NPI and by name + state |
| North Carolina Medicaid · Nov 10, 2026 | No match | — |
| New York OMIG · Nov 10, 2026 | No match | — |
| Ohio Medicaid · Nov 10, 2026 | No match | — |
| Pennsylvania Medicheck · Nov 10, 2026 | No match | — |
| Washington HCA · Nov 10, 2026 | No match | — |
Official OIG search · How matching works ·Bulk check a roster
Medicare
| Enrollment (PECOS) | Enrolled Practitioner - Hematology/Oncology (WA) |
|---|---|
| Accepts assignment | Yes (participating) |
Medicare services in 2024
| Medicare patients | 426 |
|---|---|
| Services billed | 1,028 across 14 procedure codes |
| Paid by Medicare | $91,119 |
Part D prescriptions in 2024
| Prescriptions (claims) | 2,424 · 3,527 30-day fills |
|---|---|
| Patients | 349 |
| Total drug cost | $8,141,657 |
| Generic share | 69% of claims |
Education and affiliations
| Medical school | University of Washington School of Medicine |
|---|---|
| Graduation year | 2012 |
| Medicare specialty | Hematology/Oncology |
| Telehealth | Offers telehealth |
Medical group
- Cancer Care Northwest Centers P SSpokane, WA · 42 clinicians
Hospital affiliations
- Bonner General HospitalSandpoint, ID
- Kootenai HealthCoeur D'Alene, ID
- Lincoln HospitalDavenport, WA
- Prov Sacred Hrt Med Ctr & Childs Hosp.Spokane, WA
- Pullman Regional HospitalPullman, WA
Industry payments (Open Payments)
- 2025$429.47 · 16 payments from 12 companies
- 2024$70.20 · 3 payments from 3 companies
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Pfizer Inc. | $77.03 | 3 |
| Genentech, Inc. | $53.45 | 1 |
| Novartis Pharmaceuticals Corporation | $50.23 | 3 |
| Astrazeneca Pharmaceuticals LP | $43.25 | 1 |
| Astellas Pharma US Inc | $31.88 | 1 |
What the 2025 payments were for
- Food and Beverage$307.07 · 13 payments
- Education$122.40 · 3 payments
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
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