Matthew B. Rivara, M.D.
Nephrology Physician · Seattle, WA
Matthew B. Rivara, M.D. is a nephrology physician with a practice address in Seattle, Washington, and NPI 1740417211, issued on Jun 11, 2009. Check the license (Washington 60280247, as entered in NPPES) on the Washington Medical Commission; the Medicare figures below come from public CMS files.
- Name
- Matthew B. Rivara
- Credential
- M.D.
- Primary taxonomy
- Nephrology Physician 207RN0300X
- License number
- 60280247 WA
Self-reported in NPPES; status is on the state search - Practice location
- Division OF Nephrology Univ OF Washington, Seattle, WA 98195
- Phone
- (206) 543-2346
- Enumerated
- Jun 11, 2009
- Record last updated
- Aug 15, 2014 (not updated in 12 years: call before relying on the address or phone)
- Medicaid ID
- 1740717211 WA
- Medicare enrollment
- Enrolled (PECOS I20140602001829); accepts Medicare assignment
- Medical or professional school
- Harvard Medical School, 2009
- Telehealth
- Offers telehealth (CMS)
- Entity
- Type 1 · individual
8 nearest nephrology physician records → All 284 in Washington → Look up another NPI →
Verify Matthew B. Rivara in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersWashington Medical Commission
Search for license 60280247Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
82% fewer Medicare Part D claims than the average nephrology physician in 2024
259 Medicare Part D claims for 44 beneficiaries, against an average of 1,465 among the 10,986 providers of this specialty who prescribed in Part D.
Most prescribed
- Amlodipine Besylate20 claims
- Potassium Chloride18 claims
- Carvedilol16 claims
- Midodrine Hcl15 claims
- Spironolactone15 claims
- Torsemide15 claims
Source: CMS Medicare Part D Prescribers by Provider and Drug, 2024 (data.cms.gov). Part D covers prescriptions for Medicare patients only; drugs with fewer than 11 claims are not published.
The MIPS final score for 2023 (Medicare payment program): 93.1 of 100
The Merit-based Incentive Payment System score is reported for this clinician. Four categories are weighted into the final score; the average among 454,083 clinicians with a measured score was 83.5.
Source: CMS Quality Payment Program, MIPS performance year 2023; category weights for 2023 (qpp.cms.gov).
Industry payments in 2024: $319.96
1 payment: food and beverage; the largest payer was Diality Inc. The 8,230 providers of this specialty with any payment received $3,091.37 on average. Payments are reported by manufacturers, not by the provider, and are not a sign of wrongdoing.
Source: CMS Open Payments, program year 2024 (openpaymentsdata.cms.gov); average among providers of this specialty with at least one payment.
Bills Medicare through one group practice
- The Association OF University PhysiciansSeattle, WA
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Matthew B. Rivara among 284 nephrology physician records in Washington
Matthew B. Rivara, M.D. is one of 284 nephrology physician records with a practice address in Washington. 82% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2009, is newer than 63% of them.
- NPI issued2009 · 63% of these records are older, 34% newer
- In a Medicare fileYes · 82% of these records are
- In the CMS Doctors and Clinicians fileYes · 75% of these records are
- Graduated2009 · median 2003 among the 213 with a school on file
- Record last updated2014 · 60% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207RN0300X and a Washington practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
Nephrology Physician providers in Washington
There are 284 nephrology physician records in Washington.
All 284 in Washington → Every provider in Seattle → Nephrology Physician nationwide →
The 8 nephrology physician records with the nearest ZIP codes
- Suhail AhmadSeattle, WA 981951821173659
- Adrianne Ball, MDSeattle, WA 981951033250949
- Nisha Bansal, M.D.Seattle, WA 981951801901210
- Alice Chang, M.D.Seattle, WA 981951366467698
- Ian De Boer, M.D.Seattle, WA 981951932146669
- Raghu DurvasulaSeattle, WA 981951679658470
- Jonathan JeffersonSeattle, WA 981951710062526
- Bryan KestenbaumSeattle, WA 981951790860500
Common questions
What is Matthew B. Rivara, M.D.'s NPI number?
Matthew B. Rivara, M.D.'s National Provider Identifier (NPI) is 1740417211, issued on Jun 11, 2009. An NPI identifies a provider in billing; it is not a license.
Where is Matthew B. Rivara, M.D. located?
The NPPES record lists a practice address at Division OF Nephrology Univ OF Washington, Seattle, WA, 98195. Phone: (206) 543-2346. Providers update this record themselves, so call before visiting.
How can I verify Matthew B. Rivara, M.D.'s license?
NPPES lists Washington license number 60280247, as entered by the provider. Search the Washington Medical Commission at https://wahelms.my.site.com/s/license-search. The NPPES record confirms identity only; the state search shows license status, expiration and public orders.
How much does Matthew B. Rivara, M.D. prescribe under Medicare Part D?
In 2024, Matthew B. Rivara, M.D. had 259 Medicare Part D claims for 44 beneficiaries; the average among nephrology physician prescribers was 1,465. Part D covers Medicare prescriptions only.
What is Matthew B. Rivara, M.D.'s MIPS final score?
The 2023 MIPS final score is 93.1 of 100. The average among 454,083 clinicians with a measured score was 83.5.
Source: CMS National Plan and Provider Enumeration System (NPPES), file of Aug 9, 2026 (NPPES files on CMS.gov); NUCC Health Care Provider Taxonomy. Medicare files from data.cms.gov. An NPI identifies who bills; it is not a license.
Figures on PlainDoctor are read from the federal files each page names (CMS NPPES, Medicare Part D, MIPS, Open Payments; the HHS-OIG exclusion list only as counts) and from Census population estimates, with the file date shown beside them. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error. Data current as of Aug 9, 2026.