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

David Cassius, MD Ps

Organization Pain Medicine (Physical Medicine & Rehabilitation) Physician · NPI 1255520102

David Cassius, MD Ps is a Pain Medicine (Physical Medicine & Rehabilitation) Physician in Seattle, Washington. Licensed in Washington. Registered with an NPI since 2007.

Licensed in
WA
In the registry since
2007

Practice location Address checks out

901 Boren Ave Ste 712
Seattle, WA 98104-3301
Phone: (206) 624-9876
Fax: (888) 325-7193
Show map & directions

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

Specialties & licences

Pain Medicine (Physical Medicine & Rehabilitation) Physician (primary) Taxonomy 2081P2900X · Licence 37363 (WA)

Record details

NPI number1255520102
Entity typeOrganization (Type 2)
Organization subpartNo
Authorized official David Cassius — President · (206) 255-8393
NPI enumeratedOctober 17, 2007
Last updated in NPPESMarch 24, 2026
Certification dateMarch 24, 2026
Mailing address901 Boren Ave Ste 712, Seattle, WA 98104-3301

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