John C Olson, MD
Addiction Medicine (CMS) · Seattle, WA
At a glance
1600 E Olive St, Seattle, WA 98122-2735
NPPES record updated Feb 6, 2025. Public records can lag behind changes at a practice.
Before you call: a quick checklist
- Are you accepting new patients?
- Do you accept my specific insurance plan?
- Do you provide the service I need at this address?
- Do I need a referral, and what is the earliest appointment?
Insurance participation and appointment availability are not established by these public records.
Medicare & insurance
Insurance participation is not established by these public records. Ask the practice and your insurer about your specific plan and this location.
How to check your coverage
Use your plan’s provider directory or the member-services number on your insurance card. Confirm the clinician, practice address, service, and whether a referral is required. A missing opt-out record does not establish Medicare acceptance.
Check the official Medicare directory ↗Practice location
1600 E Olive StSeattle, WA 98122-2735
Additional reported practice locations
1629 N 45Th StSeattle, WA 981036701
Phone: 2066333350
Fax: 2066333113 200 S 2Nd St
Renton, WA 980572011
Phone: 4252667039
Education & affiliations
- Medical / professional school
- Georgetown University School Of Medicine
- Graduation year
- 1998
- CMS specialties
- Addiction Medicine
Practice groups
Graduation year does not establish years in practice. A reported affiliation does not establish employment, current admitting privileges, or insurance participation.
Source: CMS National Downloadable File · Published Oct 15, 2026.
Procedures in the public data
Reported activity can help you ask more informed questions about a practice’s services.
No displayed procedure-category record in this release. This does not mean the clinician performs no procedures.
CMS uses a one-year claims window with a reporting lag. Counts cover the Medicare activity included by CMS, not all patients. “1–10” is a published range. Volume is not a quality or outcomes score. Coverage and methodology
Source: CMS Utilization Data · Published Oct 15, 2026.
Service-mix comparison is unavailable for this NPI in the imported Medicare service file.
Industry-reported general payments
Includes reported transfers of value, such as meals, travel, or consulting. Payments do not establish improper conduct or quality of care. Research funding and ownership values are excluded from this total.
See payment purposes and reporting companies
Reported purposes
| Purpose | Amount |
|---|---|
| Food and beverage | $14.44 |
Reporting companies
| Company | Amount |
|---|---|
| ALKERMES, INC. | $14.44 |
Source: CMS 2025 payments grouped by covered recipient and nature of payments · Published Jun 30, 2026.
Professional details: NPI, taxonomy & registry record
Registry details
- Primary taxonomy
- Addiction Medicine (CMS)
- Taxonomy code
- 207QA0401X
- Enumeration date
- Jun 6, 2006
- Record updated
- Feb 6, 2025
More registry details
- Provider type
- Individual · Type 1
- Reported credentials
- MD
Reported taxonomies and licenses
207Q00000X
License reported: MD00039345 WA
208D00000X
License reported: MD00039345 WA
207QA0401X · Primary
License reported: MD00039345 WA
License numbers and credentials are reported to NPPES; HCPList does not independently verify them.
Practice location
1600 E Olive StSeattle, WA 98122-2735
- Phone
- (206) 901-2000
Mailing address
6400 SOUTHCENTER BLVDTUKWILA, WA 981882547
Information may be outdated or incomplete. Confirm details directly with the practice. HCPList is an independent directory and is not affiliated with CMS.
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