Type 1 · Individual ✓ Active NPI ✓ Valid NPI checksum
Greg Eric Larsen, APRN
Nurse Practitioner in St George, UT · enumerated 2010.
Data current as of Jul 13, 2026 · sourced from CMS NPPES
National Provider Identifier
1578879441
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Registry record
Entity type Individual (Type 1)
Name Greg Eric Larsen
Credential APRN
Sex Male
Practice address 624 S 1000 E Ste 103, St George, UT, 84790
Phone (435) 652-1135
Fax (435) 652-1190
Enumeration date Aug 29, 2010
Last updated in NPPES May 21, 2024
Taxonomy & licenses
363LF0000X Family Nurse Practitioner Physician Assistants & Advanced Practice Nursing Providers · License 354177-4405 (UT) Secondary
363L00000X Nurse Practitioner Physician Assistants & Advanced Practice Nursing Providers · License 354177-4405 (UT) Primary
APRN · Advanced Practice Registered Nurse: An umbrella credential covering NPs, CRNAs, CNMs, and clinical nurse specialists.
About the APRN credential
Other identifiers
| Identifier | Type | State | Issuer |
|---|---|---|---|
| 1578879441 | Medicaid | UT | - |
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 Greg Larsen practice?
The practice location on file with NPPES is in St George, UT. Providers can have multiple locations; NPPES lists the primary practice address.
What is the NPI number for Greg Larsen?
The National Provider Identifier (NPI) for Greg Larsen is 1578879441, 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 2024-05-21.