DR. DEAN ELIAS KOIS DMD
NPI 1326166844
Dentist - Prosthodontics in Seattle, WA

Q: What is Dean Kois's NPI number?

The NPI number for Dean Kois is 1326166844. It was assigned to this individual provider in the NPPES registry on March 26, 2007.

Q: What is Dean Kois's specialty?

The primary specialty registered for this NPI is Dentist, specializing in Prosthodontics, with taxonomy code 1223P0700X.

Q: When was this NPI record last updated?

The NPPES record for Dean Kois was last updated on January 13, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 6 months ago. If this record has changed at CMS more recently, you can request an on-demand re-check against the live CMS registry, directly from this page.

Active since March 26, 2007

1001 FAIRVIEW AVE N STE 2000, SEATTLE, WA 98109(206) 515-9500 Get Directions Write a Review

NPPES record last updated: January 13, 2026. Verified against the NPPES registry weekly; last sync: August 02, 2026.

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About Dr. Dean Elias Kois Dmd NPPES

Official registry information on file with the National Plan and Provider Enumeration System.

DR. DEAN ELIAS KOIS DMD (NPI 1326166844) is an individual prosthodontics provider in Seattle, Washington, licensed in Washington (DE00010393) and active in the NPI registry since March 2007.

NPPES Registry Identity

NPI1326166844

Entity TypeIndividualMale

Primary Taxonomy1223P0700X

Provider Legal NameDR. DEAN ELIAS KOISCredential: DMD

Location Address1001 FAIRVIEW AVE N STE 2000Seattle, WA 98109-4462

Mailing Address1001 Fairview Ave N Ste 2000Seattle, WA 98109-4462 · (206) 515-9500

Phone(206) 515-9500

Sole ProprietorYes

Enumeration DateMarch 26, 2007

Last NPPES UpdateJanuary 13, 2026

NPPES CertifiedJanuary 13, 2026

✔ NPI 1326166844 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyDentist · ProsthodonticsDental Providers

Taxonomy Code1223P0700X

License✔ Licensed in WA · DE00010393

Definition

That branch of dentistry pertaining to the restoration and maintenance of oral functions, comfort, appearance and health of the patient by the restoration of natural teeth and/or the replacement of missing teeth and contiguous oral and maxillofacial tissues with artificial substitutes.

1001 FAIRVIEW AVE N STE 2000, Seattle, WA 98109

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Other Providers at the Same Location NPPES 3

Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.

KOIS DENTISTRY

Dentist (Prosthodontics)

1001 FAIRVIEW AVE N STE 2000
SEATTLE, WA 98109

King County (206) 515-9500

BRIENNE C. ROLOFF-CHIANG, DDS, MSD, PLLC

Dentist (Orthodontics and Dentofacial Orthopedics)

1001 FAIRVIEW AVE N STE 2000
SEATTLE, WA 98109

King County (206) 515-4006

DR. BRIENNE ROLOFF-CHIANG D.D.S., M.S.D.

Dentist (Orthodontics and Dentofacial Orthopedics)

1001 FAIRVIEW AVE N STE 2000
SEATTLE, WA 98109

King County (206) 515-9500

Frequently Asked Questions NPPES & CMS

Common questions about this NPI record, answered from the official NPPES registry and CMS datasets shown on this page.

What is Dean Kois's NPI number?

The NPI number for Dean Kois is 1326166844. It was assigned to this individual provider in the NPPES registry on March 26, 2007.

Where is Dean Kois located?

Dean Kois practices at 1001 Fairview Ave N Ste 2000, Seattle, WA 98109. The listed phone number is (206) 515-9500.

What is Dean Kois's specialty?

The primary specialty registered for this NPI is Dentist, specializing in Prosthodontics, with taxonomy code 1223P0700X.

When was this NPI record last updated?

The NPPES record for Dean Kois was last updated on January 13, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 6 months ago. If this record has changed at CMS more recently, you can request an on-demand re-check against the live CMS registry, directly from this page.