Provider records sourced from NPPES (CMS National Plan & Provider Enumeration System). Data current as of August 10, 2026.
NPIDirectory

Stephen William Carstensen, DDS

Individual provider Dentist · NPI 1023160363

Stephen William Carstensen, DDS is a Dentist in Seattle, Washington. Graduated from Baylor College of Dentistry/Texas A&m University in 1983, 43 years ago. Practices as a sole proprietor. Licensed in Washington.

Years since qualifying
43
Trained at
Baylor College of Dentistry/Texas A&m University
Licensed in
WA
In the registry since
2007
Specialties on file
2
What do these letters mean?
DDS — Doctor of Dental Surgery
A dentist. DDS and DMD are the same qualification — universities choose which title to award.

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Practice location Address checks out

622 S Washington St
Seattle, WA 98104-2720
Phone: (425) 552-3999
Fax: (425) 552-3999
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Pin is approximate — placed at the ZIP-code centre, not the exact door.

Specialties & licences

General Practice Dentistry (primary) Taxonomy 1223G0001X · Licence DE00006409 (WA)
Dentist Taxonomy 122300000X · Licence DE00006409 (WA)

Record details

NPI number1023160363
Entity typeIndividual (Type 1)
GenderMale
Credentials DDS
Sole proprietorYes
NPI enumeratedJanuary 17, 2007
Last updated in NPPESJanuary 6, 2026
Certification dateJanuary 6, 2026
Mailing address2908 181st Ave Ne, Redmond, WA 98052-5936

Medicare enrollment

From the CMS Doctors & Clinicians file — this clinician is enrolled in Medicare.

Medicare specialtyDENTIST
Medical schoolBAYLOR COLLEGE OF DENTISTRY/TEXAS A&M UNIVERSITY
Graduated 1983 (43 years in practice)
Accepts Medicare assignment Not indicated
Practice locations3 on file with Medicare

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