NPPES file of Aug 9, 2026

Grant Winfield, PA-C

Physician Assistant · Issaquah, WA

Grant Winfield, PA-C is a physician assistant with a practice address in Issaquah, Washington, and NPI 1497560445, issued on Feb 7, 2025. Check the license with the Washington board that licenses this profession; the federal record below is the public data PlainDoctor holds for this provider.

Record from CMS NPPES, file of Aug 9, 2026 · method · Verify with CMS →

NPPES recordNPPES file of Aug 9, 2026
1497560445
Name
Grant Winfield
Credential
PA-C
Primary taxonomy
Physician Assistant 363A00000X
Practice location
18305 SE Newport Way Apt H101, Issaquah, WA 98027
Phone
(440) 897-5505
Enumerated
Feb 7, 2025
Record last updated
Feb 7, 2025
Medicare enrollment
Enrolled (PECOS I20250731001540); may accept Medicare assignment
Entity
Type 1 · individual
Public record from CMS NPPES (open it on the CMS NPI Registry). Enrollment, assignment, school and telehealth: CMS Doctors and Clinicians file, Aug 2026. A record is not a license: verify it with the state board.
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Verify Grant Winfield in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersWhich Washington board licenses this professionCheck 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
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Grant Winfield among 3,718 physician assistant records in Washington

Grant Winfield, 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 not. Its NPI, issued in 2025, is newer than 96% of them.

  • NPI issued2025 · 96% of these records are older, 1% newer
  • In a Medicare fileNo · 76% of these records are
  • In the CMS Doctors and Clinicians fileYes · 66% of these records are
  • Graduated2024 · median 2017 among the 2,460 with a school on file
  • Record last updated2025 · 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).

Physician Assistant providers in Washington

There are 3,718 physician assistant records in Washington. No Medicare prescribing, quality score, industry payment or hospital affiliation is published for this NPI.

The 8 physician assistant records with the nearest ZIP codes

  1. David CardIssaquah, WA 980271518995794
  2. Kayla Chapman, PA-CIssaquah, WA 980271932658184
  3. Elizaveta HermannIssaquah, WA 980271124321419
  4. Agnes Lovell, PA-CIssaquah, WA 980271114608718
  5. Suzanne Miner, PACIssaquah, WA 980271124210612
  6. Emily Nardiello, PA-CIssaquah, WA 980271528454717
  7. Brian Russo, PAIssaquah, WA 980271427301084
  8. Michelle Vierra, PA-CIssaquah, WA 980271659451631

Common questions

What is Grant Winfield, PA-C's NPI number?

Grant Winfield, PA-C's National Provider Identifier (NPI) is 1497560445, issued on Feb 7, 2025. An NPI identifies a provider in billing; it is not a license.

Where is Grant Winfield, PA-C located?

The NPPES record lists a practice address at 18305 SE Newport Way Apt H101, Issaquah, WA, 98027. Phone: (440) 897-5505. Providers update this record themselves, so call before visiting.

How can I verify Grant Winfield, PA-C's license?

Search the Washington board that licenses this profession; the NPPES record confirms identity only.

Source: CMS National Plan and Provider Enumeration System (NPPES), file of Aug 9, 2026 (NPPES files on CMS.gov); NUCC Health Care Provider Taxonomy. 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.