Type 1 · Individual ✓ Active NPI ✓ Valid NPI checksum
Dr. Colin Hollidge, PHD LISCW
Social Worker in Eagan, MN · enumerated 2005.
Data current as of Jul 13, 2026 · sourced from CMS NPPES
National Provider Identifier
1447238381
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Registry record
Entity type Individual (Type 1)
Name Dr. Colin Hollidge
Credential PHD LISCW
Sex Male
Practice address 4555 Erin Dr, Suite 260, Eagan, MN, 55122
Phone (651) 686-8818
Enumeration date Dec 31, 2005
Last updated in NPPES Jul 8, 2007
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 Colin Hollidge practice?
The practice location on file with NPPES is in Eagan, MN. Providers can have multiple locations; NPPES lists the primary practice address.
What is the NPI number for Colin Hollidge?
The National Provider Identifier (NPI) for Colin Hollidge is 1447238381, a Type 1 (individual) record in the CMS NPPES registry.
Other providers at this practice address
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Source: CMS NPPES (public data). Snapshot 2026-07-13. Provider record last updated 2007-07-08.