Quick answers
- Where does Jon L. Griffith see patients?
- Medicare's clinician data lists 4 practice locations, including Spokane, WA, Post Falls, ID and Coeur D Alene, ID. Call before your visit to confirm the address.
- What is Jon L. Griffith's specialty?
- Medicare lists Radiation Oncology as the primary specialty.
- Does Jon L. Griffith accept Medicare assignment?
- Yes. Medicare's clinician data says Jon L. Griffith accepts Medicare assignment (the Medicare-approved amount as full payment for covered services), as of 2026-10-02. Ask the office to confirm before your visit.
- What is the phone number for Jon L. Griffith?
- (509) 228-1000, as listed in official Medicare / NPI Registry data.
- What is Jon L. Griffith's NPI number?
- 1356333959. 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 Jon L. Griffith is enrolled with Medicare (CMS data updated 2026-10-02).
- 1204 N Vercler RdSpokane, WA 99216 (509) 228‑1000
- 1440 E Mullan AvePost Falls, ID 83854 (509) 228‑1000
- 601 S Sherman StSpokane, WA 99202 (509) 228‑1000
- 700 W Ironwood Dr, Suite 130Coeur D Alene, ID 83814 (509) 228‑1000
Group practices
Medicare enrollment lists Jon L. Griffith as a member of this group (CMS data updated 2026-10-02).
- Cancer Care Northwest Centers P S42 clinicians in the group
Specialties
- Radiation Oncologyprimary
Other radiation oncologists in Spokane
Clinicians with the same Medicare primary specialty in Spokane, WA — not a recommendation.
Clinician information
| Credential | MD |
|---|---|
| Medical school | Southwest School Of Medicine And Hospital |
| Graduation year | 1981 |
| Gender (as listed) | Male |
| Medicare assignment | Accepts (Medicare-approved amount as full payment) |
| NPI (National Provider Identifier) | 1356333959 |
| 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