Dennis L. Simpson, M.D.
NPI 1316979644ActiveIndividual· Internal Medicine· Pullman, WA
Internal Medicine (M.D.) in Pullman, Washington, trained at University of Kansas School of Med (Kc/Wich/Sal) (class of 1976). Their prescriptions cost Medicare Part D more than their services did: $258,749 for 3,695 claims, against $60,913 paid for services in 2024. Otsuka America Pharmaceutical, Inc. reported $15.29 in payments in 2024, mostly food and beverage.
Overview
| NPI | 1316979644 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | M.D. |
| Sole proprietor | No |
| NPI issued | Jul 7, 2006 |
| Last updated in NPPES | Jul 7, 2021 |
| Certified by provider | Jul 7, 2021 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Internal Medicine Primary | 207R00000X | MD00020233 | WA |
| Internal Medicine | 207R00000X | M-4552 | 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) | Not in the public enrollment file of Oct 1, 2026 |
|---|---|
| Accepts assignment | Yes (participating) |
Medicare services in 2024
| Medicare patients | 305 |
|---|---|
| Services billed | 2,163 across 62 procedure codes |
| Paid by Medicare | $60,913 |
Part D prescriptions in 2024
| Prescriptions (claims) | 3,695 · 8,120 30-day fills |
|---|---|
| Patients | 305 |
| Total drug cost | $258,749 |
| Generic share | 87% of claims |
Education and affiliations
| Medical school | University of Kansas School of Med (Kc/Wich/Sal) |
|---|---|
| Graduation year | 1976 |
| Medicare specialty | Internal Medicine |
Industry payments (Open Payments)
- 2024$15.29 · 1 payment from 1 company
Top paying companies in 2024
| Company | Amount | Payments |
|---|---|---|
| Otsuka America Pharmaceutical, Inc. | $15.29 | 1 |
What the 2024 payments were for
- Food and Beverage$15.29 · 1 payment
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
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