Type 1 · Individual ✓ Active NPI ✓ Valid NPI checksum
Katherine Donovan Flaherty, PA-C
Physician Assistant in Wheaton, IL · enumerated 2014.
Data current as of Jul 13, 2026 · sourced from CMS NPPES
National Provider Identifier
1649693441
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Registry record
Entity type Individual (Type 1)
Name Katherine Donovan Flaherty
Credential PA-C
Sex Female
Practice address 199 Town Sq, Suite C, Wheaton, IL, 60189
Phone (630) 946-2386
Enumeration date Jan 29, 2014
Last updated in NPPES Jul 18, 2023
Taxonomy & licenses
363A00000X Physician Assistant Physician Assistants & Advanced Practice Nursing Providers · License 085005457 (IL) 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.
Frequently asked questions
Where does Katherine Flaherty practice?
The practice location on file with NPPES is in Wheaton, IL. Providers can have multiple locations; NPPES lists the primary practice address.
What is the NPI number for Katherine Flaherty?
The National Provider Identifier (NPI) for Katherine Flaherty is 1649693441, a Type 1 (individual) record in the CMS NPPES registry.
Other providers at this practice address
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Source: CMS NPPES (public data). Snapshot 2026-07-13. Provider record last updated 2023-07-18.