Type 1 · Individual ✓ Active NPI ✓ Valid NPI checksum

Gretchen Nelson, ARNP

Nurse Practitioner in Fort Myers, FL · enumerated 2006 · practices at Ft Myers Digestive Health and Pain Asc LLC.

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

National Provider Identifier

1578642336

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Registry record

Entity type Individual (Type 1)

Name Gretchen Nelson

Credential ARNP

Sex Female

Practice address 12700 Creekside Ln, Suite 101, Fort Myers, FL, 33919

Phone (239) 432-0774

Fax (239) 432-0229

Enumeration date Nov 3, 2006

Last updated in NPPES Mar 6, 2012

Taxonomy & licenses

363AM0700X Medical Physician Assistant Physician Assistants & Advanced Practice Nursing Providers · License ARNP1898852 (FL) Secondary

363L00000X Nurse Practitioner Physician Assistants & Advanced Practice Nursing Providers · License ARNP1898852 (FL) 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.

Read the full guide → Validate an NPI →

Frequently asked questions

What is the NPI number for Gretchen Nelson?

The National Provider Identifier (NPI) for Gretchen Nelson is 1578642336, a Type 1 (individual) record in the CMS NPPES registry.

Where does Gretchen Nelson practice?

The practice location on file with NPPES is in Fort Myers, FL. 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 2012-03-06.