Type 1 · Individual ✓ Active NPI ✓ Valid NPI checksum
Dr. Stephen George Clausen, D.C.
Chiropractor in Seattle, WA · enumerated 2005.
Data current as of Jul 13, 2026 · sourced from CMS NPPES
National Provider Identifier
1629078894
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Registry record
Entity type Individual (Type 1)
Name Dr. Stephen George Clausen
Credential D.C.
Sex Male
Practice address 9015 Holman Rd Nw, Suite 1, Seattle, WA, 98117
Phone (206) 784-7400
Fax (206) 784-7401
Enumeration date Jul 28, 2005
Last updated in NPPES Jul 8, 2007
Taxonomy & licenses
DC · Doctor of Chiropractic: A licensed chiropractor focusing on musculoskeletal and nervous system disorders.
About the DC credential
What is an NPI number?
A National Provider Identifier (NPI) is a unique 10-digit number that CMS assigns to every U.S. healthcare provider and organization under HIPAA. Type 1 NPIs identify individual providers; Type 2 NPIs identify organizations. The NPI appears on insurance claims, prescriptions, and credentialing paperwork, and never changes, even if the provider moves or changes specialty.
Frequently asked questions
What is the NPI number for Stephen Clausen?
The National Provider Identifier (NPI) for Stephen Clausen is 1629078894, a Type 1 (individual) record in the CMS NPPES registry.
Where does Stephen Clausen practice?
The practice location on file with NPPES is in Seattle, WA. Providers can have multiple locations; NPPES lists the primary practice address.
Other providers at this practice address
Browse all → Eric Wechselberger Chiropractor · Seattle, WA NPI 1720162928 David Ryan Chiropractor · Seattle, WA NPI 1720108723 Karen Mitchell-Paradis Massage Therapist · Seattle, WA NPI 1386863686 Ballard Chiropractic Clinic, Ps Chiropractor · Seattle, WA NPI 1114129244 John S Miller, Dc, Dacbr, Ps Radiology Chiropractor · Seattle, WA NPI 1669735304 Patrick Baker Massage Therapist · Seattle, WA NPI 1518361765
Source: CMS NPPES (public data). Snapshot 2026-07-13. Provider record last updated 2007-07-08.