Registry data as of Aug 27, 2026

Ross Johnston, PTA

Physical Therapy Assistant · Tukwila, WA

Ross Johnston, PTA is a physical therapy assistant with a practice address in Tukwila, Washington, and NPI 1790178853, issued on Mar 13, 2015. Check the license (Washington P160430397, as entered in NPPES) 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, loaded Aug 27, 2026 · method · Verify with CMS →

NPPES recordas of Aug 27, 2026
1790178853
Name
Ross Johnston
Credential
PTA
Primary taxonomy
Physical Therapy Assistant 225200000X
License number
P160430397 WA
Self-reported in NPPES; status is on the state search
Practice location
200 Andover Park E Ste 8, Tukwila, WA 98188
Phone
(703) 581-5941
Enumerated
Mar 13, 2015
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.
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Also registered at 200 Andover Park E Ste 8

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

  1. Kathryn Christofersen, DOAnatomic Pathology & Clinical Pathology Physician1982006839
  2. Anne Geriene, PTAPhysical Therapy Assistant1497270904
  3. Mong Ting Jea, PT, DPTPhysical Therapist1427862754
  4. Mark Lundquist, MDEmergency Medicine Physician1851683635
  5. Quan Phan, DPTPhysical Therapist1598530933
  6. Cortney Webb, PA-CMedical Physician Assistant1336874718

Verify Ross Johnston 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 P160430397
    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.

16 physical therapy assistant records list a Tukwila practice address

They are 16 of the 1,576 NPPES records with a Tukwila practice address, and 1,399 physical therapy assistant records in Washington. No Medicare prescribing, quality score, industry payment or hospital affiliation is published for this NPI.

Other physical therapy assistant records in Washington

  1. Karyn AbercrombieMaple Valley, WA1972793560
  2. Alicia Ables, PTAKent, WA1831781152
  3. Maria AcevadoArlington, WA1124419700
  4. Melanie Acheson, LPTAFederal Way, WA1396966867
  5. Thomas Acheson, PTAFederal Way, WA1154609451
  6. Kandace Ackelson, PTABellingham, WA1275301160
  7. Barbara AcobaEverett, WA1518416130
  8. Krystin AdamsAberdeen, WA1932367026
  9. Lana Adams, PTAWestport, WA1437582038
  10. Rachel Adamyk, PTASouth Bend, WA1558843243

Common questions

What is Ross Johnston, PTA's NPI number?

Ross Johnston, PTA's National Provider Identifier (NPI) is 1790178853, issued on Mar 13, 2015. An NPI identifies a provider in billing; it is not a license.

Where is Ross Johnston, PTA located?

The NPPES record lists a practice address at 200 Andover Park E Ste 8, Tukwila, WA, 98188. Phone: (703) 581-5941. Providers update this record themselves, so call before visiting.

How can I verify Ross Johnston, PTA's license?

NPPES lists Washington license number P160430397, 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), loaded Aug 27, 2026 (NPPES files on CMS.gov); NUCC Health Care Provider Taxonomy. An NPI identifies who bills; it is not a license.

Every figure on PlainDoctor is rendered directly from the federal CMS NPPES registry, Medicare Part D, MIPS, and Open Payments records, no number is typed in by an editor. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error. Data current as of Aug 27, 2026.