Type 1 · Individual ✓ Active NPI ✓ Valid NPI checksum
Miss Therese Kathleen Nelligan
Social Worker in Denver, CO · enumerated 2022.
Data current as of Jul 13, 2026 · sourced from CMS NPPES
National Provider Identifier
1477287225
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Registry record
Entity type Individual (Type 1)
Name Miss Therese Kathleen Nelligan
Sex Female
Practice address 3836 N York St, Denver, CO, 80205
Phone (303) 294-5600
Enumeration date Jul 15, 2022
Last updated in NPPES Jul 15, 2022
Taxonomy & licenses
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 Therese Nelligan practice?
The practice location on file with NPPES is in Denver, CO. Providers can have multiple locations; NPPES lists the primary practice address.
What is the NPI number for Therese Nelligan?
The National Provider Identifier (NPI) for Therese Nelligan is 1477287225, a Type 1 (individual) record in the CMS NPPES registry.
Other providers at this practice address
Browse all → Kathleen Terry Clinical Social Worker · Denver, CO NPI 1407951841 Heather Powers Clinical Social Worker · Denver, CO NPI 1104077809 Jessica Burden Clinical Social Worker · Denver, CO NPI 1770998239 Lena Nickel Social Worker · Denver, CO NPI 1093117301 Julia Eckhoff Occupational Therapist · Denver, CO NPI 1447630967 Summer Bruce Clinical Social Worker · Denver, CO NPI 1225578271 Katherine Wichrowski Clinical Social Worker · Denver, CO NPI 1023595139 Monet Frazier Clinical Social Worker · Denver, CO NPI 1639829872
Source: CMS NPPES (public data). Snapshot 2026-07-13. Provider record last updated 2022-07-15.