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Dennis Sipher, DDS
NPI 1073603809 · Dentist · Seattle, WA
Dennis Sipher, DDS is a Dentist provider in Seattle, WA (NPI 1073603809).
Provider details
- NPI number
- 1073603809
- Entity type
- Individual
- Primary specialty
- DentistDental Providers
- Credential
- DDS
- Sex
- Male
- Sole proprietor
- No
- License
- DE00005622 (WA)
Specialties & taxonomies
Dental Providers
Profile Score
Detailed profile(90/100 index)
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure38% of score
19 yrs in NPPES registry
- Profile completeness38% of score
100% of core fields populated
- Practice footprint23% of score
1 documented practice location
Signals a provider has no public data for (e.g. Medicare claims) are left out of the score entirely — never counted as zero — so providers without that data are not penalized. See the full formula and weights in our methodology.
Practice location
4800 Sand Point Way Ne
M/S Cd
Seattle, WA 98105-3901
Phone: (206) 987-2243
Fax: (206) 987-3891
Street-level locationGet directions
Mailing address
4800 Sand Point Way Ne
Seattle, WA 98105-3901
Registry dates
- Enumerated
- 2006-10-13
- Last updated
- 2007-07-08
Frequently asked questions
- What is Dennis Sipher's NPI number?
- Dennis Sipher's National Provider Identifier (NPI) is 1073603809, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Dennis Sipher's specialty?
- Dennis Sipher is listed in the NPPES registry with a primary specialty of Dentist (Dental Providers).
- Where is Dennis Sipher located?
- Dennis Sipher's practice location on file with NPPES is 4800 Sand Point Way Ne, Seattle, WA 98105-3901.
- What is Dennis Sipher's phone number?
- The practice phone number listed in the NPPES registry for Dennis Sipher is (206) 987-2243.
- Is Dennis Sipher's NPI active?
- Yes — Dennis Sipher's NPI (1073603809) is active in the NPPES registry as of the last update on 2007-07-08.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.