Type 1 · Individual ✓ Active NPI ✓ Valid NPI checksum
Kathryn Ardis, DVM
Veterinarian in Chicago, IL · enumerated 2014.
Data current as of Jul 13, 2026 · sourced from CMS NPPES
National Provider Identifier
1639592538
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Registry record
Entity type Individual (Type 1)
Name Kathryn Ardis
Credential DVM
Sex Female
Practice address 3219 N Clark St, Chicago, IL, 60657
Phone (773) 327-4446
Fax (773) 327-9447
Enumeration date Jan 28, 2014
Last updated in NPPES Jan 28, 2014
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
How do I verify Kathryn Ardis's NPI record?
Cross-check NPI 1639592538 against the official CMS registry at npiregistry.cms.hhs.gov. This page mirrors the same public NPPES data with a monthly snapshot.
Is NPI 1639592538 active?
Yes, as of the latest NPPES snapshot, NPI 1639592538 is active (record last updated 2014-01-28).
Other providers at this practice address
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Source: CMS NPPES (public data). Snapshot 2026-07-13. Provider record last updated 2014-01-28.