Type 1 · Individual ✓ Active NPI ✓ Valid NPI checksum
Ms. Leslie Rae Mack, LPC MS NCC
Professional Counselor in Fargo, ND · enumerated 2006.
Data current as of Jul 13, 2026 · sourced from CMS NPPES
National Provider Identifier
1689766750
See something wrong? Report a correction
Registry record
Entity type Individual (Type 1)
Name Ms. Leslie Rae Mack
Credential LPC MS NCC
Sex Female
Practice address 510 4th St S, Fargo, ND, 58103
Phone (701) 476-7200
Fax (701) 476-7273
Enumeration date Sep 28, 2006
Last updated in NPPES Jul 8, 2007
Taxonomy & licenses
101YP2500X Professional Counselor Behavioral Health & Social Service Providers · License 5085104 (ND) 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
What is the NPI number for Leslie Mack?
The National Provider Identifier (NPI) for Leslie Mack is 1689766750, a Type 1 (individual) record in the CMS NPPES registry.
Where does Leslie Mack practice?
The practice location on file with NPPES is in Fargo, ND. Providers can have multiple locations; NPPES lists the primary practice address.
Other providers at this practice address
Browse all → Prairie St Johns Psychiatric Hospital · Fargo, ND NPI 1417901000 Lawana Burtnett Psychiatry Physician · Fargo, ND NPI 1053359943 Rachel Fleissner Child & Adolescent Psychiatry Physician · Fargo, ND NPI 1427084995 Gerard Kottenbrock Addiction (Substance Use Disorder) Counselor · Fargo, ND NPI 1528161189 Glenice Carlson Physician Assistant · Fargo, ND NPI 1134222797 Mary Long Social Worker · Fargo, ND NPI 1376640581 Martin Tallakson Professional Counselor · Fargo, ND NPI 1598848897 Anneli Bowman Clinical Social Worker · Fargo, ND NPI 1548339591
Source: CMS NPPES (public data). Snapshot 2026-07-13. Provider record last updated 2007-07-08.