Matthew B. Rivara, M.D.
NPI 1740417211ActiveIndividual· Internal Medicine, Nephrology· Seattle, WA
Internal Medicine, Nephrology (M.D.) in Seattle, Washington, trained at Harvard Medical School (class of 2009). Their prescriptions cost Medicare Part D more than their services did: $35,925 for 259 claims, against $11,586 paid for services in 2024. Diality Inc. reported $175.56 in payments in 2025, mostly food and beverage.
Overview
| NPI | 1740417211 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | M.D. |
| Sole proprietor | No |
| NPI issued | Jun 11, 2009 |
| Last updated in NPPES | Aug 15, 2014 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Internal Medicine, Nephrology Primary | 207RN0300X | 60280247 | WA |
| Internal Medicine | 207R00000X | 60280247 | 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 4, 2026 | No match | — |
| New York OMIG · Nov 4, 2026 | No match | — |
| Ohio Medicaid · Nov 4, 2026 | No match | — |
| Pennsylvania Medicheck · Nov 4, 2026 | No match | — |
| Washington HCA · Nov 4, 2026 | No match | — |
Official OIG search · How matching works ·Bulk check a roster
Medicare
| Enrollment (PECOS) | Enrolled Practitioner - Nephrology (WA) |
|---|---|
| Accepts assignment | Yes (participating) |
Medicare services in 2024
| Medicare patients | 35 |
|---|---|
| Services billed | 76 across 13 procedure codes |
| Paid by Medicare | $11,586 |
Part D prescriptions in 2024
| Prescriptions (claims) | 259 · 472 30-day fills |
|---|---|
| Patients | 44 |
| Total drug cost | $35,925 |
| Generic share | 88% of claims |
Education and affiliations
| Medical school | Harvard Medical School |
|---|---|
| Graduation year | 2009 |
| Medicare specialty | Nephrology |
| Telehealth | Offers telehealth |
Medical group
- The Association of University PhysiciansSeattle, WA · 3,535 clinicians
Hospital affiliation
- Harborview Medical CenterSeattle, WA
Other facilities
- Nkc Yesler Terrace Kidney CenterDialysis facility · Seattle, WA
Industry payments (Open Payments)
- 2025$175.56 · 1 payment from 1 company
- 2024$319.96 · 1 payment from 1 company
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Diality Inc. | $175.56 | 1 |
What the 2025 payments were for
- Food and Beverage$175.56 · 1 payment
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
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