Individual provider · Type 1 NPI

Gregory Walter Guyman, DDS, MSD

Orthodontics and Dentofacial Orthopedics Dentistry · Mercer Island, WA

NPI number 1245138171 Active

Practice location

6203 SE 30th St
Mercer Island, WA 98040-2413

Specialties and licenses

TaxonomyCodeLicense
Orthodontics and Dentofacial Orthopedics Dentistry Primary 1223X0400X4741 (WA)

Orthodontics and Dentofacial Orthopedics Dentistry: That area of dentistry concerned with the supervision, guidance and correction of the growing or mature dentofacial structures, including those conditions that require movement of teeth or correction of malrelationships and malformations of their related structures and the adjustment of relationships between and among teeth and facial bones by the application of forces and/or the stimulation and redirection of funct…

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About NPI 1245138171

Gregory Walter Guyman, DDS, MSD's National Provider Identifier is 1245138171, issued on Oct 29, 2026. The primary taxonomy on file is Orthodontics and Dentofacial Orthopedics Dentistry (1223X0400X), and the practice location is in Mercer Island, WA. The record was last updated on Oct 29, 2026.