Dionysios N. Klironomos, MD
NPI 1447438650ActiveIndividual· Neurological Surgery· Richland, WA
Neurological Surgery (MD) with Kadlec Regional Medical Center, practicing in Richland, Washington. 191 Medicare patients in 2024, $68,224 paid; nearly all of their 116 Part D prescriptions were generic (99%). Gt Medical Technologies, Inc reported $154.27 in payments in 2025, mostly food and beverage. Lists Good Shepherd Medical Center and 3 other hospitals as hospital affiliations.
Overview
| NPI | 1447438650 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | MD |
| Sole proprietor | No |
| NPI issued | Feb 11, 2008 |
| Last updated in NPPES | Nov 11, 2021 |
| Certified by provider | Nov 11, 2021 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Neurological Surgery Primary | 207T00000X | 35.125343 | OH |
| Neurological Surgery | 207T00000X | MD61176487 | WA |
| Neurological Surgery | 207T00000X | 50274 | MN |
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 (WA) |
|---|---|
| Accepts assignment | Yes (participating) |
Medicare services in 2024
| Medicare patients | 191 |
|---|---|
| Services billed | 323 across 29 procedure codes |
| Paid by Medicare | $68,224 |
Part D prescriptions in 2024
| Prescriptions (claims) | 116 · 119 30-day fills |
|---|---|
| Patients | 51 |
| Total drug cost | $936.97 |
| Generic share | 99% of claims |
Education and affiliations
| Graduation year | 1996 |
|---|---|
| Medicare specialty | Neurosurgery |
| Telehealth | Offers telehealth |
Medical group
- Kadlec Regional Medical CenterKennewick, WA · 414 clinicians
Hospital affiliations
- Good Shepherd Medical CenterHermiston, OR
- Kadlec Regional Medical CenterRichland, WA
- Providence St Mary Medical CenterWalla Walla, WA
- St Anthony HospitalPendleton, OR
Industry payments (Open Payments)
- 2025$154.27 · 1 payment from 1 company
- 2024$17.20 · 1 payment from 1 company
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Gt Medical Technologies, Inc | $154.27 | 1 |
What the 2025 payments were for
- Food and Beverage$154.27 · 1 payment
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
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