Type 1 · Individual ✓ Active NPI ✓ Valid NPI checksum

Gregory G Parker, NP

Family Nurse Practitioner in Laurel, MS · enumerated 2006.

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

National Provider Identifier

1255343570

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Registry record

Entity type Individual (Type 1)

Name Gregory G Parker

Credential NP

Sex Male

Practice address 1220 Jefferson St, Laurel, MS, 39440

Phone (601) 426-4000

Fax (601) 399-6281

Enumeration date Aug 13, 2006

Last updated in NPPES Apr 6, 2015

Taxonomy & licenses

363LF0000X Family Nurse Practitioner Physician Assistants & Advanced Practice Nursing Providers · License R791344 (MS) Primary

NP · Nurse Practitioner: An advanced practice registered nurse with graduate training, licensed to diagnose and treat, often with prescriptive authority. About the NP credential

Other identifiers

Identifier	Type	State	Issuer
04078379	Medicaid	MS	-

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.

Read the full guide → Validate an NPI →

Frequently asked questions

What is the NPI number for Gregory Parker?

The National Provider Identifier (NPI) for Gregory Parker is 1255343570, a Type 1 (individual) record in the CMS NPPES registry.

Where does Gregory Parker practice?

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

Other providers at this practice address

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Source: CMS NPPES (public data). Snapshot 2026-07-13. Provider record last updated 2015-04-06.