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Type 1 · Individual ✓ Active NPI ✓ Valid NPI checksum

Ms. Mary Katherine Gast, CRNP

Adult Health Nurse Practitioner in Georgetown, DE · enumerated 2007 · practices at Wilmington Vamc.

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

National Provider Identifier

1396963609

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Registry record

Entity type Individual (Type 1)
Name Ms. Mary Katherine Gast
Credential CRNP
Sex Female
Practice address 21748 Roth Ave, Georgetown, DE, 19947
Phone (800) 461-8262
Fax (302) 633-5379
Enumeration date Apr 23, 2007
Last updated in NPPES Feb 15, 2024

Taxonomy & licenses

363LA2200X Adult Health Nurse Practitioner Physician Assistants & Advanced Practice Nursing Providers · License LP-0010565 (DE) Secondary
363LA2200X Adult Health Nurse Practitioner Physician Assistants & Advanced Practice Nursing Providers · License R157914 (MD) 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 Mary Gast practice?
The practice location on file with NPPES is in Georgetown, DE. Providers can have multiple locations; NPPES lists the primary practice address.
What is the NPI number for Mary Gast?
The National Provider Identifier (NPI) for Mary Gast is 1396963609, 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 2024-02-15.