Type 1 · Individual ✓ Active NPI ✓ Valid NPI checksum
Diane Cain Warner, RN
Registered Nurse in Danville, IL · enumerated 2015.
Data current as of Jul 13, 2026 · sourced from CMS NPPES
National Provider Identifier
1902261837
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Registry record
Entity type Individual (Type 1)
Name Diane Cain Warner
Credential RN
Sex Female
Practice address 21813 Old Ottawa Ln, Danville, IL, 61834
Phone (864) 710-7258
Enumeration date Dec 18, 2015
Last updated in NPPES Dec 18, 2015
Taxonomy & licenses
RN · Registered Nurse: A nurse who completed an accredited nursing program and passed the NCLEX-RN licensure exam.
About the RN credential
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.
Frequently asked questions
Where does Diane Warner practice?
The practice location on file with NPPES is in Danville, IL. Providers can have multiple locations; NPPES lists the primary practice address.
What is the NPI number for Diane Warner?
The National Provider Identifier (NPI) for Diane Warner is 1902261837, a Type 1 (individual) record in the CMS NPPES registry.
Source: CMS NPPES (public data). Snapshot 2026-07-13. Provider record last updated 2015-12-18.