House, Lee, Mast, Mcdonald and Nelson, PC
NPI 1699353599 · Orthodontics and Dentofacial Orthopedics Dentistry · Mercer Island, WA
House, Lee, Mast, Mcdonald and Nelson, PC is a Orthodontics and Dentofacial Orthopedics Dentistry organization in Mercer Island, WA (NPI 1699353599).
Provider details
- NPI number
- 1699353599
- Entity type
- Organization
- Primary specialty
- Orthodontics and Dentofacial Orthopedics DentistryDental Providers
- Organization subpart
- No
- Authorized official
- Marilyn Chorak, Reg. Ops Manager(206) 275-3042
Specialties & taxonomies
Dental Providers
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure38% of score
5 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
Mailing address
Other names (DBA / former)
- Doing business as
- Mercer Island Orthodontics
Registry dates
- Enumerated
- 2021-03-31
- Last updated
- 2021-03-31
- Certified
- 2021-03-31
Frequently asked questions
- What is House, Lee, Mast, Mcdonald and Nelson, PC's NPI number?
- House, Lee, Mast, Mcdonald and Nelson, PC's National Provider Identifier (NPI) is 1699353599, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What type of organization is House, Lee, Mast, Mcdonald and Nelson, PC?
- House, Lee, Mast, Mcdonald and Nelson, PC is classified in the NPPES registry as Orthodontics and Dentofacial Orthopedics Dentistry (Dental Providers).
- Where is House, Lee, Mast, Mcdonald and Nelson, PC located?
- House, Lee, Mast, Mcdonald and Nelson, PC's practice location on file with NPPES is 3022 78th Ave Se, Mercer Island, WA 98040-2823.
- What is House, Lee, Mast, Mcdonald and Nelson, PC's phone number?
- The practice phone number listed in the NPPES registry for House, Lee, Mast, Mcdonald and Nelson, PC is (206) 275-3042.
- Who is the authorized official for House, Lee, Mast, Mcdonald and Nelson, PC?
- The authorized official listed on House, Lee, Mast, Mcdonald and Nelson, PC's NPPES record is Marilyn Chorak, Reg. Ops Manager. The authorized official registers and maintains the organization's NPI and is not necessarily its owner.
- Is House, Lee, Mast, Mcdonald and Nelson, PC's NPI active?
- Yes — House, Lee, Mast, Mcdonald and Nelson, PC's NPI (1699353599) is active in the NPPES registry as of the last update on 2021-03-31.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.