Type 1 · Individual ✓ Active NPI ✓ Valid NPI checksum

Gail Sue Summerville

Medical-Surgical Clinical Nurse Specialist in Duluth, MN · enumerated 2006.

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

National Provider Identifier

1679640783

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Registry record

Entity type Individual (Type 1)

Name Gail Sue Summerville

Sex Female

Practice address 400 E 3rd St, Duluth, MN, 55805

Phone (218) 786-4210

Enumeration date Nov 30, 2006

Last updated in NPPES Jul 8, 2007

Taxonomy & licenses

364SM0705X Medical-Surgical Clinical Nurse Specialist Physician Assistants & Advanced Practice Nursing Providers · License R091206-2 (MN) 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 Gail Summerville practice?

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

What is the NPI number for Gail Summerville?

The National Provider Identifier (NPI) for Gail Summerville is 1679640783, 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 2007-07-08.