Brendan Michael Riordan, PA-C
Physician Assistant · Seattle, WA
Brendan Michael Riordan, PA-C is a physician assistant with a practice address in Seattle, Washington, and NPI 1700285608, issued on Aug 15, 2014. Check the license (Washington PA60628989, as entered in NPPES) with the Washington board that licenses this profession; the Medicare figures below come from public CMS files.
- Name
- Brendan Michael Riordan
- Credential
- PA-C
- Primary taxonomy
- Physician Assistant 363A00000X
- License number
- PA60628989 WA
Self-reported in NPPES; status is on the state search - Practice location
- 1959 NE Pacific St, Seattle, WA 98195
- Phone
- (206) 598-4300
- Enumerated
- Aug 15, 2014
- Record last updated
- Jul 12, 2016 (not updated in 10 years: call before relying on the address or phone)
- Medicaid ID
- 1700285608 WA
- Medicare enrollment
- Enrolled (PECOS I20160210002734); accepts Medicare assignment
- Entity
- Type 1 · individual
8 nearest physician assistant records → All 3,718 in Washington → Look up another NPI →
Also registered at 1959 NE Pacific St
A shared address usually means a shared clinic or building; it does not show who employs whom.
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Verify Brendan Michael Riordan in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersWhich Washington board licenses this profession
Search for license PA60628989Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
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: $117.78
1 payment: food and beverage; the largest payer was Boston Scientific Corporation. The 64,719 providers of this specialty with any payment received $841.65 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
- Multicare Health SystemTacoma, WA
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Brendan Michael Riordan among 3,718 physician assistant records in Washington
Brendan Michael Riordan, PA-C is one of 3,718 physician assistant records with a practice address in Washington. 76% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2014, is newer than 44% of them.
- NPI issued2014 · 44% of these records are older, 51% newer
- In a Medicare fileYes · 76% of these records are
- In the CMS Doctors and Clinicians fileYes · 66% of these records are
- Graduated2013 · median 2017 among the 2,460 with a school on file
- Record last updated2016 · 48% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 363A00000X and a Washington practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
828 physician assistant records list a practice address in Seattle
They are 828 of the 41,956 NPPES records with a practice address in Seattle, and 3,718 physician assistant records in Washington.
All 3,718 in Washington → Every provider in Seattle → Physician Assistant nationwide →
The 8 physician assistant records with the nearest ZIP codes
- Leslie Anderson, PA-CSeattle, WA 981951508887050
- Troy Decker, PASeattle, WA 981951962465922
- Michelle DeinerSeattle, WA 981951558451401
- Lisa GetzendanerSeattle, WA 981951730279688
- Erin Hachlinski, PA-CSeattle, WA 981951740213800
- Kathleen Keyser, PA-CSeattle, WA 981951760430599
- Lyle LarsonSeattle, WA 981951053401919
- William LevySeattle, WA 981951407936404
Common questions
What is Brendan Michael Riordan, PA-C's NPI number?
Brendan Michael Riordan, PA-C's National Provider Identifier (NPI) is 1700285608, issued on Aug 15, 2014. An NPI identifies a provider in billing; it is not a license.
Where is Brendan Michael Riordan, PA-C located?
The NPPES record lists a practice address at 1959 NE Pacific St, Seattle, WA, 98195. Phone: (206) 598-4300. Providers update this record themselves, so call before visiting.
How can I verify Brendan Michael Riordan, PA-C's license?
NPPES lists Washington license number PA60628989, as entered by the provider. Search the Washington board that licenses this profession; the NPPES record confirms identity only.
What is Brendan Michael Riordan, PA-C'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.