Type 1 · Individual ✓ Active NPI ✓ Valid NPI checksum
Mrs. Diane Marie Lahey
Pharmacist in Naperville, IL · enumerated 2011.
Data current as of Jul 13, 2026 · sourced from CMS NPPES
National Provider Identifier
1366729345
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Registry record
Entity type Individual (Type 1)
Name Mrs. Diane Marie Lahey
Sex Female
Practice address 2111 Winding River Road, Naperville, IL, 60564
Phone (630) 904-4760
Fax (630) 904-4849
Enumeration date Nov 4, 2011
Last updated in NPPES Nov 21, 2011
Taxonomy & licenses
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 Lahey practice?
The practice location on file with NPPES is in Naperville, IL. Providers can have multiple locations; NPPES lists the primary practice address.
What is the NPI number for Diane Lahey?
The National Provider Identifier (NPI) for Diane Lahey is 1366729345, a Type 1 (individual) record in the CMS NPPES registry.
Source: CMS NPPES (public data). Snapshot 2026-07-13. Provider record last updated 2011-11-21.