Leonard & David Vainio
Leonard & David Vainio holds 6 active organization NPIs in the federal registry, with practice locations in 6 Montana cities. All list optometrist as their primary taxonomy; each location can bill under its own NPI.
Search the organization with your city to find the NPI for the location you visit or bill.
Find a location's NPIBozeman has the most NPIs, 1
Source: CMS NPPES monthly file of Aug 9, 2026, organization NPIs by practice city.
Most NPIs were issued in 2007 and 2008
Source: CMS NPPES, enumeration dates.
4 NPIs were issued in 2007 alone, more than in any other year.
Bozeman locations
The city with the most Leonard & David Vainio NPIs. The full list of all 6 follows.
| NPI | Location | Primary taxonomy | Issued |
|---|---|---|---|
| 1841475290 | 2825 W MAIN STREET GALLATIN VALLEY MALL #53, Bozeman | Optometrist | Jan 4, 2008 |
All 6 locations, by city
| NPI | Location | Primary taxonomy | Issued |
|---|---|---|---|
| 1841475290 | 2825 W MAIN STREET GALLATIN VALLEY MALL #53, Bozeman | Optometrist | Jan 4, 2008 |
| 1659555985 | 1313 HARRISON AVE, Butte | Optometrist | Dec 21, 2007 |
| 1578747804 | 513 MAIN ST, Deer Lodge | Optometrist | Dec 21, 2007 |
| 1396920740 | 1600 11TH AVENUE CAPITAL HILL MALL, Helena | Optometrist | Jan 4, 2008 |
| 1356523211 | 1431 S HIGGINS AVE, Missoula | Optometrist | Dec 3, 2007 |
| 1780868000 | 11 3RD AVE W STE E, Polson | Optometrist | Dec 21, 2007 |
Checking an organization
- Match the NPI to the exact location you will visit or bill; each location can have its own.
- Confirm the business entity with the secretary of state.
- Check the HHS-OIG exclusion list for the organization and its owners.
- Verify each clinician you will see on their own record and with the state license search.
Common questions
Why does Leonard & David Vainio have 6 NPIs?
An organization may obtain more than one Type 2 NPI, for example for separate locations or units that bill on their own. Leonard & David Vainio's NPIs list practice locations in 6 cities.
Is an organization NPI a license?
No. An NPI identifies who bills. Facilities and the clinicians who work there are licensed separately by the state.
Source: CMS National Plan and Provider Enumeration System (NPPES), monthly file of Aug 9, 2026 (NPPES files on CMS.gov). An NPI identifies who bills; it is not a license.