Joseph O. Aiyenowo, MD
NPI 1598792657ActiveIndividual· Internal Medicine· Pullman, WA
Internal Medicine (MD) in Pullman, Washington, licensed in WA and KS, with an NPI issued in June 2006. Their prescriptions cost Medicare Part D more than their services did: $44,534 for 571 claims, against $6,347 paid for services in 2024.
Overview
| NPI | 1598792657 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | MD |
| Sole proprietor | No |
| NPI issued | Jun 26, 2006 |
| Last updated in NPPES | Jun 25, 2024 |
| Certified by provider | Jun 25, 2024 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Internal Medicine Primary | 207R00000X | MD60992612 | WA |
| Pediatrics | 208000000X | MD60992612 | WA |
| Family Medicine | 207Q00000X | 04-27421 | KS |
| Pediatrics | 208000000X | 0427421 | KS |
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 - Internal Medicine (AZ); Practitioner - Family Practice (KS); Practitioner - Internal Medicine (WA) |
|---|---|
| Accepts assignment | Yes (participating) |
Medicare services in 2024
| Medicare patients | 49 |
|---|---|
| Services billed | 157 across 26 procedure codes |
| Paid by Medicare | $6,347 |
Part D prescriptions in 2024
| Prescriptions (claims) | 571 · 1,006 30-day fills |
|---|---|
| Patients | 171 |
| Total drug cost | $44,534 |
| Generic share | 87% of claims |
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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