Quick answers
- Where does John C. Olson Jr. see patients?
- Medicare's clinician data lists 1 practice location in Auburn, WA. Call before your visit to confirm the address.
- What is John C. Olson Jr.'s specialty?
- Medicare lists Addiction Medicine as the primary specialty.
- Does John C. Olson Jr. accept Medicare assignment?
- Yes. Medicare's clinician data says John C. Olson Jr. 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 John C. Olson Jr.?
- (253) 876-8900, as listed in official Medicare / NPI Registry data.
- What is John C. Olson Jr.'s NPI number?
- 1679512487. 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 John C. Olson Jr. is enrolled with Medicare (CMS data updated 2026-10-02).
- 4240 Auburn Way NAuburn, WA 98002 (253) 876‑8900
Group practices
Medicare enrollment lists John C. Olson Jr. as a member of this group (CMS data updated 2026-10-02).
- Sound49 clinicians in the group
Specialties
- Addiction Medicineprimary
Other addiction medicine doctors in Washington
Clinicians with the same Medicare primary specialty in Washington — not a recommendation.
Clinician information
| Credential | MD |
|---|---|
| Medical school | Georgetown University School Of Medicine |
| Graduation year | 1998 |
| Gender (as listed) | Male |
| Medicare assignment | Accepts (Medicare-approved amount as full payment) |
| NPI (National Provider Identifier) | 1679512487 |
| 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