Gregory Wallis, DO
NPI 1790308278ActiveIndividual· Emergency Medicine· Pullman, WA
Emergency Medicine (DO) with Dhhs Ihs Phoenix Area, practicing in Pullman, Washington. Part D covered 157 prescriptions written in 2024, 95% of them generic. Lists Lake Chelan Community Hospital and 2 other hospitals as hospital affiliations.
Overview
| NPI | 1790308278 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | DO |
| Sole proprietor | No |
| NPI issued | May 19, 2020 |
| Last updated in NPPES | Aug 5, 2025 |
| Certified by provider | Aug 5, 2025 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Emergency Medicine Primary | 207P00000X | OP61426716 | WA |
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 - Emergency Medicine (MO); Practitioner - Emergency Medicine (TX); Practitioner - Emergency Medicine (WA) |
|---|
Part D prescriptions in 2024
| Prescriptions (claims) | 157 · 157 30-day fills |
|---|---|
| Patients | 106 |
| Total drug cost | $1,722 |
| Generic share | 95% of claims |
Education and affiliations
| Graduation year | 2020 |
|---|---|
| Medicare specialty | Emergency Medicine |
Medical group
- Dhhs Ihs Phoenix AreaParker, AZ · 59 clinicians
Hospital affiliations
- Lake Chelan Community HospitalChelan, WA
- Parker Indian Health CenterParker, AZ
- Pullman Regional HospitalPullman, WA
Industry payments (Open Payments)
None reported for 2025 or 2024.
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
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