Quick answers
- Where does David A. Cassius see patients?
- Medicare's clinician data lists 1 practice location in Seattle, WA. Call before your visit to confirm the address.
- What is David A. Cassius's specialty?
- Medicare lists Physical Medicine and Rehabilitation as the primary specialty, and also Pain Management.
- Does David A. Cassius accept Medicare assignment?
- Medicare's clinician data says David A. Cassius may accept Medicare assignment (as of 2026-10-02). Ask the office whether they accept it for your visit.
- What is the phone number for David A. Cassius?
- (206) 624-9876, as listed in official Medicare / NPI Registry data.
- What is David A. Cassius's NPI number?
- 1194884940. The NPI (National Provider Identifier) is the clinician's permanent federal ID; you can look it up in the official NPI Registry.
Practice locations
Addresses where David A. Cassius is enrolled with Medicare (CMS data updated 2026-10-02).
- 901 Boren Ave, Suite 711Seattle, WA 98104 (206) 624‑9876
Specialties
Find other Physical Medicine and Rehabilitation doctors in Washington →
Other rehabilitation doctors in Seattle
Clinicians with the same Medicare primary specialty in Seattle, WA — not a recommendation.
Clinician information
| Credential | MD |
|---|---|
| Medical school | Meharry Medical College School Of Medicine |
| Graduation year | 1991 |
| Gender (as listed) | Male |
| Medicare assignment | May accept for some services |
| NPI (National Provider Identifier) | 1194884940 |
| Corrections | Report an error or suggest an update → |
Most corrections must be made at the source: clinicians update their NPI Registry record (NPPES) and their Medicare enrollment (PECOS); this page follows the next data release.
Sources
- National Downloadable File (Doctors and Clinicians) — CMS, data updated 2026-10-02, retrieved 2026-10-29
- NPI Registry — U.S. Department of Health and Human Services (NPPES), the clinician’s official record
- Medicare Care Compare — official Medicare tool to look up clinicians