Quick answers
- Does Arthur S. Chandless Iii accept Medicare assignment?
- Yes. Medicare's clinician data says Arthur S. Chandless Iii accepts Medicare assignment (the Medicare-approved amount as full payment for covered services), as of October 2, 2026. Ask the office to confirm before your visit.
- What is Arthur S. Chandless Iii's NPI number?
- 1417150517. 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 Arthur S. Chandless Iii is enrolled with Medicare (CMS data updated October 2, 2026).
- 13028 Interurban Ave S, Suite 106Tukwila, WA 98168 (206) 957‑7950
Group practices
Medicare enrollment lists Arthur S. Chandless Iii as a member of this group (CMS data updated October 2, 2026).
- Gonstead Chiropractic of Seattle PC3 clinicians in the group
Specialties
- Chiropracticprimary
Other chiropractors in Tukwila
Clinicians with the same Medicare primary specialty in Tukwila, WA — not a recommendation.
Other clinicians in Gonstead Chiropractic of Seattle PC
Medicare enrollment lists these clinicians in the same group practice — not a recommendation.
Clinician information
| Credential | DC |
|---|---|
| Chiropractic college | Palmer College Chiropractic - Davenport |
| Graduation year | 1989 (37 years since chiropractic college) |
| Gender (as listed) | Male |
| Medicare assignment | Accepts (Medicare-approved amount as full payment) |
| NPI (National Provider Identifier) | 1417150517 |
| 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 October 2, 2026, retrieved October 29, 2026
- 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