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Soper Enterprises Mercer Island, Pllc

Orthodontics and Dentofacial Orthopedics Dentistry in Mercer Island, WA · enumerated 2022 · authorized official Barton Soper, Doctor.

Data current as of Jul 13, 2026 · sourced from CMS NPPES

National Provider Identifier

1104556042

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Registry record

Entity type Organization (Type 2)
Legal business name Soper Enterprises Mercer Island, Pllc
Practice address 2817 80th Ave Se, Mercer Island, WA, 98040
Phone (206) 232-9600
Fax (206) 232-2936
Enumeration date Jun 14, 2022
Last updated in NPPES Jun 14, 2022

Taxonomy & classification

1223X0400X Orthodontics and Dentofacial Orthopedics Dentistry Dental Providers Primary

Authorized official

Name Barton Soper
Title Doctor
Phone (425) 747-9494

What is an NPI number?

A National Provider Identifier (NPI) is a unique 10-digit number that CMS assigns to every U.S. healthcare provider and organization under HIPAA. Type 1 NPIs identify individual providers; Type 2 NPIs identify organizations. The NPI appears on insurance claims, prescriptions, and credentialing paperwork, and never changes, even if the provider moves or changes specialty.

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Frequently asked questions

What is the NPI number for Soper Enterprises Mercer Island, Pllc?
The NPI for Soper Enterprises Mercer Island, Pllc is 1104556042, a Type 2 (organization) record in the CMS NPPES registry.
Who is the authorized official for Soper Enterprises Mercer Island, Pllc?
NPPES lists Barton Soper (Doctor) as the authorized official for this organization.

Providers at this address

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Source: CMS NPPES (public data). Snapshot 2026-07-13. Provider record last updated 2022-06-14.