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

Dr. Dennis Ivan Sipher, DDS

Individual provider Dentist · NPI 1073603809

Dr. Dennis Ivan Sipher, DDS is a Dentist in Seattle, Washington. Licensed in Washington. Registered with an NPI since 2006.

Licensed in
WA
In the registry since
2006
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

4800 Sand Point Way NE M/s Cd
Seattle, WA 98105-3901
Phone: (206) 987-2243
Fax: (206) 987-3891
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Pin is approximate — placed at the ZIP-code centre, not the exact door.

Specialties & licences

Dentist (primary) Taxonomy 122300000X · Licence DE00005622 (WA)

Record details

NPI number1073603809
Entity typeIndividual (Type 1)
GenderMale
Credentials DDS
Sole proprietorNo
NPI enumeratedOctober 13, 2006
Last updated in NPPESJuly 8, 2007
Mailing address4800 Sand Point Way Ne, M/S Cd, Seattle, WA 98105-3901

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