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

House, Lee, Mast, McDonald and Nelson, PC

Organization Orthodontics and Dentofacial Orthopedics Dentistry · NPI 1699353599

House, Lee, Mast, McDonald and Nelson, PC is an Orthodontics and Dentofacial Orthopedics Dentistry in Mercer Island, Washington. Registered with an NPI since 2021.

In the registry since
2021
What do these letters mean?
PC — Professional corporation
A form of business registration, not a clinical qualification.

See every abbreviation used in this directory →

Practice location Address checks out

3022 78th Ave SE
Mercer Island, WA 98040-2823
Phone: (206) 275-3042
Show map & directions

Pin is approximate — placed at the ZIP-code centre, not the exact door.

Specialties & licences

Orthodontics and Dentofacial Orthopedics Dentistry (primary) Taxonomy 1223X0400X

Record details

NPI number1699353599
Entity typeOrganization (Type 2)
Organization subpartNo
Authorized official Marilyn Chorak — Reg. Ops Manager · (206) 275-3042
Other names Mercer Island Orthodontics
NPI enumeratedMarch 31, 2021
Last updated in NPPESMarch 31, 2021
Certification dateMarch 31, 2021
Mailing address3022 78th Ave Se, Mercer Island, WA 98040-2823

Other providers in Mercer Island