Ross Johnston, PTA
NPI 1790178853 · Physical Therapy Assistant · Tukwila, WA
Ross Johnston, PTA is a Physical Therapy Assistant provider in Tukwila, WA (NPI 1790178853).
Provider details
- NPI number
- 1790178853
- Entity type
- Individual
- Primary specialty
- Physical Therapy AssistantRespiratory, Developmental, Rehabilitative and Restorative Service Providers
- Credential
- PTA
- Sex
- Male
- Sole proprietor
- No
- License
- P160430397 (WA)
Specialties & taxonomies
Respiratory, Developmental, Rehabilitative and Restorative Service Providers
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure38% of score
11 yrs in NPPES registry
- Profile completeness38% of score
100% of core fields populated
- Practice footprint23% of score
1 documented practice location
Signals a provider has no public data for (e.g. Medicare claims) are left out of the score entirely — never counted as zero — so providers without that data are not penalized. See the full formula and weights in our methodology.
Practice location
Mailing address
Registry dates
- Enumerated
- 2015-03-13
- Last updated
- 2015-03-13
Frequently asked questions
- What is Ross Johnston's NPI number?
- Ross Johnston's National Provider Identifier (NPI) is 1790178853, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Ross Johnston's specialty?
- Ross Johnston is listed in the NPPES registry with a primary specialty of Physical Therapy Assistant (Respiratory, Developmental, Rehabilitative and Restorative Service Providers).
- Where is Ross Johnston located?
- Ross Johnston's practice location on file with NPPES is 200 Andover Park E Ste 8, Tukwila, WA 98188-2938.
- What is Ross Johnston's phone number?
- The practice phone number listed in the NPPES registry for Ross Johnston is (703) 581-5941.
- Is Ross Johnston's NPI active?
- Yes — Ross Johnston's NPI (1790178853) is active in the NPPES registry as of the last update on 2015-03-13.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.