Type 1 · Individual ✓ Active NPI ✓ Valid NPI checksum

Gregory Robert Holland

Physician Assistant in Layton, UT · enumerated 2019.

Data current as of Jul 13, 2026 · sourced from CMS NPPES

National Provider Identifier

1689238081

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Registry record

Entity type Individual (Type 1)

Name Gregory Robert Holland

Sex Male

Practice address 1916 N 700 W Ste 250, Layton, UT, 84041

Phone (801) 479-0312

Enumeration date May 1, 2019

Last updated in NPPES Feb 5, 2021

Taxonomy & licenses

363A00000X Physician Assistant Physician Assistants & Advanced Practice Nursing Providers · License 8381143-1206 (UT) 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.

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Frequently asked questions

Where does Gregory Holland practice?

The practice location on file with NPPES is in Layton, UT. Providers can have multiple locations; NPPES lists the primary practice address.

What is the NPI number for Gregory Holland?

The National Provider Identifier (NPI) for Gregory Holland is 1689238081, a Type 1 (individual) record in the CMS NPPES registry.

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Source: CMS NPPES (public data). Snapshot 2026-07-13. Provider record last updated 2021-02-05.