Edward Yap, MD
NPI 1790048593ActiveIndividual· Neurological Surgery· Spokane, WA
Neurological Surgery (MD) with Providence Health and Services Washington, practicing in Spokane, Washington. Mostly services rather than prescriptions: Medicare paid $50,817 for 98 patients in 2024, with only 26 Part D claims. Baxter Healthcare was the largest of 2 companies reporting payments in 2025, $191.04 in all, mostly food and beverage. Lists Prov Sacred Hrt Med Ctr & Childs Hosp. and 1 other hospital as hospital affiliations.
Overview
| NPI | 1790048593 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | MD |
| Sole proprietor | No |
| NPI issued | Jun 18, 2012 |
| Last updated in NPPES | Feb 17, 2026 |
| Certified by provider | Feb 17, 2026 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Neurological Surgery Primary | 207T00000X | MD70070518 | WA |
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 - Neurosurgery (NC); Practitioner - Neurosurgery (WA) |
|---|---|
| Accepts assignment | Yes (participating) |
Medicare services in 2024
| Medicare patients | 98 |
|---|---|
| Services billed | 313 across 50 procedure codes |
| Paid by Medicare | $50,817 |
Part D prescriptions in 2024
| Prescriptions (claims) | 26 · 32 30-day fills |
|---|---|
| Patients | 11 |
| Total drug cost | $4,022 |
| Generic share | 58% of claims |
Education and affiliations
| Graduation year | 2012 |
|---|---|
| Medicare specialty | Neurosurgery |
| Telehealth | Offers telehealth |
Medical group
- Providence Health and Services WashingtonSpokane, WA · 784 clinicians
Hospital affiliations
- Prov Sacred Hrt Med Ctr & Childs Hosp.Spokane, WA
- Unc HospitalsChapel Hill, NC
Industry payments (Open Payments)
- 2025$191.04 · 4 payments from 2 companies
- 2024$207.53 · 1 payment from 1 company
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Baxter Healthcare | $141.51 | 1 |
| Medtronic, Inc. | $49.53 | 3 |
What the 2025 payments were for
- Food and Beverage$191.04 · 4 payments
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
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All 20 neurosurgeons in Spokane · All neurosurgeons in Washington