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Gregory Marshall, FNP-C

Interventional Pain Medicine Physician in Evansville, IN · enumerated 2018.

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

National Provider Identifier

1528555216

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Registry record

Entity type Individual (Type 1)
Name Gregory Marshall
Credential FNP-C
Sex Male
Practice address 4411 Washington Ave Ste 100, Evansville, IN, 47714
Enumeration date Apr 18, 2018
Last updated in NPPES Dec 1, 2025

Taxonomy & licenses

363LF0000X Family Nurse Practitioner Physician Assistants & Advanced Practice Nursing Providers · License 28207276A (IN) Secondary
208VP0014X Interventional Pain Medicine Physician Allopathic & Osteopathic Physicians · License 71007920A (IN) Primary
363L00000X Nurse Practitioner Physician Assistants & Advanced Practice Nursing Providers · License 28207276A (IN) Secondary

Other identifiers

Identifier Type State Issuer
30006626 Medicaid IN -

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

What is the NPI number for Gregory Marshall?
The National Provider Identifier (NPI) for Gregory Marshall is 1528555216, a Type 1 (individual) record in the CMS NPPES registry.
Where does Gregory Marshall practice?
The practice location on file with NPPES is in Evansville, IN. Providers can have multiple locations; NPPES lists the primary practice address.

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Source: CMS NPPES (public data). Snapshot 2026-07-13. Provider record last updated 2025-12-01.