NPI Portal NPI Lookup & Verification

Type 2 · Organization ✓ Active NPI ✓ Valid NPI checksum

Leonard & David Vainio PC

Optometrist in Polson, MT · enumerated 2007 · authorized official David Vainio, Optometrist.

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

National Provider Identifier

1780868000

Verified

See something wrong? Report a correction

Registry record

Entity type Organization (Type 2)
Legal business name Leonard & David Vainio PC
Other name <Unavail>
Practice address 11 3rd Ave W Ste E, Polson, MT, 59860
Enumeration date Dec 21, 2007
Last updated in NPPES Apr 23, 2008

Taxonomy & classification

152W00000X Optometrist Eye and Vision Services Providers · License MT0426 (MT) Primary

Authorized official

Name David Vainio
Title Optometrist

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.

Read the full guide → Validate an NPI →

Frequently asked questions

What is the NPI number for Leonard & David Vainio PC?
The NPI for Leonard & David Vainio PC is 1780868000, a Type 2 (organization) record in the CMS NPPES registry.
Who is the authorized official for Leonard & David Vainio PC?
NPPES lists David Vainio (Optometrist) as the authorized official for this organization.

Source: CMS NPPES (public data). Snapshot 2026-07-13. Provider record last updated 2008-04-23.