Type 1 · Individual ✓ Active NPI ✓ Valid NPI checksum
Elizabeth Gacek
Pharmacist in Naperville, IL · enumerated 2010.
Data current as of Jul 13, 2026 · sourced from CMS NPPES
National Provider Identifier
1598065260
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Registry record
Entity type Individual (Type 1)
Name Elizabeth Gacek
Sex Female
Practice address 1300 S Naper Blvd, Naperville, IL, 60540
Phone (630) 369-3990
Fax (630) 369-7580
Enumeration date Oct 28, 2010
Last updated in NPPES Oct 28, 2010
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
What specialty is Elizabeth Gacek?
Elizabeth Gacek is registered in NPPES with the primary taxonomy of Pharmacist. The taxonomy code describes the provider's classification and area of specialization for claims and credentialing.
Is this the official NPI registry?
No. NPI Portal is a private site built on public CMS NPPES data. The official registry is npiregistry.cms.hhs.gov, operated by CMS.
Other providers at this practice address
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Source: CMS NPPES (public data). Snapshot 2026-07-13. Provider record last updated 2010-10-28.