Type 1 · Individual ✓ Active NPI ✓ Valid NPI checksum
Leigh Field Tollefson, RN
Registered Nurse in St Paul, MN · enumerated 2006.
Data current as of Jul 13, 2026 · sourced from CMS NPPES
National Provider Identifier
1023176609
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Registry record
Entity type Individual (Type 1)
Name Leigh Field Tollefson
Credential RN
Sex Female
Practice address 225 Smith Ave N, #500, St Paul, MN, 35102
Phone (651) 292-0616
Fax (651) 379-4484
Enumeration date Dec 5, 2006
Last updated in NPPES Jul 8, 2007
Taxonomy & licenses
RN · Registered Nurse: A nurse who completed an accredited nursing program and passed the NCLEX-RN licensure exam.
About the RN credential
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 Leigh Tollefson practice?
The practice location on file with NPPES is in St Paul, MN. Providers can have multiple locations; NPPES lists the primary practice address.
What is the NPI number for Leigh Tollefson?
The National Provider Identifier (NPI) for Leigh Tollefson is 1023176609, a Type 1 (individual) record in the CMS NPPES registry.
Source: CMS NPPES (public data). Snapshot 2026-07-13. Provider record last updated 2007-07-08.