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Type 1 · Individual ✓ Active NPI ✓ Valid NPI checksum Sole proprietor

Gregory Keller

Home Health Registered Nurse in Missouri City, TX · enumerated 2017 · practices at Insignia Healthcare Solutions LLC..

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

National Provider Identifier

1518471861

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Registry record

Entity type Individual (Type 1)
Name Gregory Keller
Sex Male
Practice address Missouri City, TX, 77459
Phone (985) 217-0584
Enumeration date Nov 23, 2017
Last updated in NPPES Dec 9, 2020

Street address withheld: NPPES sole-proprietor addresses can be home addresses. See our data policy.

Taxonomy & licenses

163WC0400X Case Management Registered Nurse Nursing Service Providers · License 153916 (LA) Secondary
163WC1500X Community Health Registered Nurse Nursing Service Providers · License 153916 (LA) Secondary
163WD1100X Peritoneal Dialysis Registered Nurse Nursing Service Providers · License 153916 (LA) Secondary
163WH1000X Hospice Registered Nurse Nursing Service Providers · License 153916 (LA) Secondary
246RP1900X Phlebotomy Technician Technologists, Technicians & Other Technical Service Providers Secondary
163WH0200X Home Health Registered Nurse Nursing Service Providers · License 153916 (LA) 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 Gregory Keller practice?
The practice location on file with NPPES is in Missouri City, TX. Providers can have multiple locations; NPPES lists the primary practice address.
What is the NPI number for Gregory Keller?
The National Provider Identifier (NPI) for Gregory Keller is 1518471861, 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 2020-12-09.