NPPES file of Aug 9, 2026

Katharine Ishida, PA-C

Surgical Physician Assistant · Seattle, WA

Katharine Ishida, PA-C is a surgical physician assistant with a practice address in Seattle, Washington, and NPI 1780292466, issued on Jul 17, 2020. Check the license (Washington PA61227136, as entered in NPPES) with the Washington board that licenses this profession; the Medicare figures below come from public CMS files.

Record from CMS NPPES, file of Aug 9, 2026 · Medicare files 2023 and 2024 · method · Verify with CMS →

NPPES recordNPPES file of Aug 9, 2026
1780292466
Name
Katharine Ishida
Credential
PA-C
Primary taxonomy
Surgical Physician Assistant 363AS0400X
License number
PA61227136 WA
Self-reported in NPPES; status is on the state search
Practice location
1959 NE Pacific St., Seattle, WA 98195
Phone
(206) 520-5000
Enumerated
Jul 17, 2020
Record last updated
May 2, 2023
Entity
Type 1 · individual
Public record from CMS NPPES (open it on the CMS NPI Registry). A record is not a license: verify it with the state board.
Download card Updates feed

Also registered at 1959 NE Pacific St.

A shared address usually means a shared clinic or building; it does not show who employs whom.

  1. Alireza Abadi, MDDiagnostic Radiology Physician1659861326
  2. Jacob Abel, M.D.Clinical Pathology/Laboratory Medicine Physician1083095319
  3. Noha Aboueldahab, M.D.Nuclear Radiology Physician1053814749
  4. Danielle Abrass, PA-CPhysician Assistant1184140717
  5. Syeda Ahmad, M.DNephrology Physician1255742284
  6. Ahsen Ahmed, MDRadiation Oncology Physician1417510900

Verify Katharine Ishida in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersWhich Washington board licenses this profession
    Search for license PA61227136
    Check the board
  3. 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
  4. 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
  5. 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
Find the Washington license search

PlainDoctor does not match the HHS-OIG exclusion list to individual records: most entries carry no NPI. Search the OIG exclusion list by name.

Is this page about you? You can ask us to correct, restrict or remove it: how.

85% fewer Medicare Part D claims than the average surgical physician assistant in 2024

45 Medicare Part D claims for 24 beneficiaries, against an average of 304 among the 10,174 providers of this specialty who prescribed in Part D. 15 claims were for opioids.

  1. Katharine Ishida45
  2. Specialty average304

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.

  1. Qualityout of 100 · 30% of the final score74.0
  2. Costnot scored (reweighted)
  3. Promoting interoperabilityout of 100 · 25%100.0
  4. Improvement activities40 of 40 points · 15%100.0

Source: CMS Quality Payment Program, MIPS performance year 2023; category weights for 2023 (qpp.cms.gov).

Surgical Physician Assistant providers in Washington

There are 609 surgical physician assistant records in Washington.

Other surgical physician assistant records in Washington

  1. Elizabeth Abecassis, PA-CPuyallup, WA1669708277
  2. Lynn Adraincem, PA-CIssaquah, WA1730439456
  3. Krystle Agtarap, PAOlympia, WA1972907590
  4. Carlos Aguero, P.A.Mount Vernon, WA1598707218
  5. Steven Alcocer, PA-CMount Vernon, WA1891014502
  6. Aleisha Allen, PA-CMount Vernon, WA1700520087
  7. Jillanna Allen, PA-C, MS, ATC/LWenatchee, WA1891761177
  8. Nathan Ambrose, PA-CVancouver, WA1285229500
  9. Charles Anderegg, PACShelton, WA1124056437
  10. Brooke Angelo, PA-CRenton, WA1477096535

Common questions

What is Katharine Ishida, PA-C's NPI number?

Katharine Ishida, PA-C's National Provider Identifier (NPI) is 1780292466, issued on Jul 17, 2020. An NPI identifies a provider in billing; it is not a license.

Where is Katharine Ishida, PA-C located?

The NPPES record lists a practice address at 1959 NE Pacific St., Seattle, WA, 98195. Phone: (206) 520-5000. Providers update this record themselves, so call before visiting.

How can I verify Katharine Ishida, PA-C's license?

NPPES lists Washington license number PA61227136, as entered by the provider. Search the Washington board that licenses this profession; the NPPES record confirms identity only.

How much does Katharine Ishida, PA-C prescribe under Medicare Part D?

In 2024, Katharine Ishida, PA-C had 45 Medicare Part D claims for 24 beneficiaries; the average among surgical physician assistant prescribers was 304. Part D covers Medicare prescriptions only.

What is Katharine Ishida, 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.