NPPES file of Aug 9, 2026

Abbey Horrocks Barton

Physician Assistant · Arlington, WA

Abbey Horrocks Barton is a physician assistant with a practice address in Arlington, Washington, and NPI 1700526688, issued on Mar 30, 2022. Check the license (Washington PA.PA.61641725, 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 · method · Verify with CMS →

NPPES recordNPPES file of Aug 9, 2026
1700526688
Name
Abbey Horrocks Barton
Primary taxonomy
Physician Assistant 363A00000X
License number
PA.PA.61641725 WA
Self-reported in NPPES; status is on the state search
Practice location
326 S Stillaguamish Ave, Arlington, WA 98223
Phone
(425) 789-3789
Enumerated
Mar 30, 2022
Record last updated
Dec 30, 2024
Medicare enrollment
Enrolled (PECOS I20250305004278); accepts 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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Also registered at 326 S Stillaguamish Ave

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

  1. Aaron Brinklow, DOStudent in an Organized Health Care Education/Training Program1326434531
  2. Heng-Yu Chi, LMHCMental Health Counselor1205357571
  3. Amberly Halbert, PA-CMedical Physician Assistant1346625977
  4. Sharil Kallstrom, L.M.T.Massage Therapist1427012475
  5. Tiffanie Kimura, RDHDental Hygienist1063931293
  6. Guofang LiDental Hygienist1619719937

Verify Abbey Horrocks Barton 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 PA.PA.61641725
    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.

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Bills Medicare through one group practice

  1. Community Health Center OF Snohomish CountyEverett, WA

Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).

Abbey Horrocks Barton among 3,718 physician assistant records in Washington

Abbey Horrocks Barton 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 2022, is newer than 83% of them.

  • NPI issued2022 · 83% of these records are older, 12% newer
  • In a Medicare fileYes · 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 updated2024 · 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).

10 physician assistant records list a practice address in Arlington

They are 10 of the 741 NPPES records with a practice address in Arlington, and 3,718 physician assistant records in Washington.

The 8 physician assistant records with the nearest ZIP codes

  1. Anne Herbert, PA-CArlington, WA 982231992782957
  2. Brandon Isaacson, PHYSICIAN ASSISTANTArlington, WA 982231396529939
  3. Anna Mellem, PA-CArlington, WA 982231649139866
  4. Suhyl Mohebi, PA-CArlington, WA 982231821622887
  5. Katrina Roys, PAArlington, WA 982231992286181
  6. Nathanael RussellArlington, WA 982231912354119
  7. Caroline Stampfli, PA-CArlington, WA 982231619056231
  8. Kristin StitesArlington, WA 982231902522543

Common questions

What is Abbey Horrocks Barton's NPI number?

Abbey Horrocks Barton's National Provider Identifier (NPI) is 1700526688, issued on Mar 30, 2022. An NPI identifies a provider in billing; it is not a license.

Where is Abbey Horrocks Barton located?

The NPPES record lists a practice address at 326 S Stillaguamish Ave, Arlington, WA, 98223. Phone: (425) 789-3789. Providers update this record themselves, so call before visiting.

How can I verify Abbey Horrocks Barton's license?

NPPES lists Washington license number PA.PA.61641725, as entered by the provider. 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. 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.