Provider records sourced from NPPES (CMS National Plan & Provider Enumeration System). Data current as of August 10, 2026.

Mr. David John Marshall

Individual provider Physical Therapy Assistant · NPI 1124289574

Mr. David John Marshall is a Physical Therapy Assistant in Seattle, Washington. Practices as a sole proprietor and works from 2 locations. Licensed in Washington.

Licensed in
WA
In the registry since
2008

Practice location Address checks out

12505 Greenwood Ave N
Seattle, WA 98133-8040
Phone: (206) 536-2616
Show map & directions

Pin is approximate — placed at the ZIP-code centre, not the exact door.

Additional practice locations (1)

  • Bayview Manor, Seattle, 98119 — (206) 691-5340

Specialties & licences

Physical Therapy Assistant (primary) Taxonomy 225200000X · Licence 60043601 (WA)

Record details

NPI number1124289574
Entity typeIndividual (Type 1)
GenderMale
Sole proprietorYes
NPI enumeratedJune 18, 2008
Last updated in NPPESApril 23, 2021
Certification dateApril 23, 2021
Mailing address513 Ne 179th Pl, Shoreline, WA 98155-3609

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