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DAVID CASSIUS, MD PS
NPI 1255520102
Physical Medicine & Rehabilitation - Pain Medicine in Seattle, WA

Active since October 17, 2007
901 BOREN AVE STE 712, SEATTLE, WA 98104(206) 624-9876(888) 325-7193 Get Directions Write a Review

NPPES record last updated: March 24, 2026. Verified against the NPPES registry weekly; last sync: August 09, 2026.

About David Cassius, Md Ps NPPES

Official registry information on file with the National Plan and Provider Enumeration System.

DAVID CASSIUS, MD PS (NPI 1255520102) is a healthcare organization registered as a pain medicine in Seattle, Washington and active in the NPI registry since October 2007. The organization lists David Cassius, President, as its authorized official.

NPPES Registry Identity

NPI1255520102
Entity TypeOrganization
Primary Taxonomy2081P2900X
Legal Business NameDAVID CASSIUS, MD PS
Location Address901 BOREN AVE STE 712Seattle, WA 98104-3301
Mailing Address901 Boren Ave Ste 712Seattle, WA 98104-3301 · (206) 624-9876 · Fax (888) 325-7193
Phone(206) 624-9876
Fax(888) 325-7193
Organization SubpartNo
Authorized OfficialDavid CassiusPresident · (206) 255-8393
Enumeration DateOctober 17, 2007
Last NPPES UpdateMarch 24, 2026
NPPES CertifiedMarch 24, 2026
✔ NPI 1255520102 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyPhysical Medicine & Rehabilitation · Pain MedicineAllopathic & Osteopathic Physicians
Taxonomy Code2081P2900X
License✔ Licensed in WA · 37363
Definition
A physician who provides a high level of care, either as a primary physician or consultant, for patients experiencing problems with acute, chronic or cancer pain in both hospital and ambulatory settings. Patient care needs may also be coordinated with other specialists.
901 BOREN AVE STE 712, Seattle, WA 98104
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Group Practice 1

Group TaxonomyThis provdier is a business group of one or more individual practitioners, all of who practice with the same area of specialization.193400000X SINGLE SPECIALTY GROUP

Other Providers at the Same Location NPPES 2

Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.

DR. ROB KILLIAN
Clinic/Center (Health Service)
901 BOREN AVE STE 712
SEATTLE, WA 98104
King County (206) 568-6320
VASCULAR & SURGICAL CARE NORTHWEST, PLLC
Surgery (Vascular Surgery)
901 BOREN AVE STE 712
SEATTLE, WA 98104
King County (206) 420-3119

Frequently Asked Questions NPPES & CMS

Common questions about this NPI record, answered from the official NPPES registry and CMS datasets shown on this page.

What is David Cassius, MD Ps's NPI number?

The NPI number for David Cassius, MD Ps is 1255520102. It was assigned to this organization in the NPPES registry on October 17, 2007.

Where is David Cassius, MD Ps located?

David Cassius, MD Ps is located at 901 Boren Ave Ste 712, Seattle, WA 98104. The listed phone number is (206) 624-9876.

What is David Cassius, MD Ps's specialty?

The primary specialty registered for this NPI is Physical Medicine & Rehabilitation, specializing in Pain Medicine, with taxonomy code 2081P2900X.

When was this NPI record last updated?

The NPPES record for David Cassius, MD Ps was last updated on March 24, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 4 months ago. If this record has changed at CMS more recently, you can request an on-demand re-check against the live CMS registry, directly from this page.