Type 1 · Individual ✓ Active NPI ✓ Valid NPI checksum
Connor Alan Larson, ATC
Athletic Trainer in Watertown, WI · enumerated 2019.
Data current as of Jul 13, 2026 · sourced from CMS NPPES
National Provider Identifier
1407411051
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Registry record
Entity type Individual (Type 1)
Name Connor Alan Larson
Credential ATC
Sex Male
Practice address 811 S 10th St, Watertown, WI, 53094
Phone (920) 428-5998
Enumeration date May 8, 2019
Last updated in NPPES Jul 22, 2021
Taxonomy & licenses
2255A2300X Athletic Trainer Respiratory, Developmental, Rehabilitative and Restorative Service Providers Primary
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.
Frequently asked questions
Where does Connor Larson practice?
The practice location on file with NPPES is in Watertown, WI. Providers can have multiple locations; NPPES lists the primary practice address.
What is the NPI number for Connor Larson?
The National Provider Identifier (NPI) for Connor Larson is 1407411051, a Type 1 (individual) record in the CMS NPPES registry.
Source: CMS NPPES (public data). Snapshot 2026-07-13. Provider record last updated 2021-07-22.