Type 1 · Individual ✓ Active NPI ✓ Valid NPI checksum
Mr. Michael Regan, PA-C
Physician Assistant in Lisle, IL · enumerated 2015.
Data current as of Jul 13, 2026 · sourced from CMS NPPES
National Provider Identifier
1831575687
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Registry record
Entity type Individual (Type 1)
Name Mr. Michael Regan
Credential PA-C
Sex Male
Practice address 6685 Fernwood Dr, Lisle, IL, 60532
Phone (773) 858-8828
Enumeration date Aug 4, 2015
Last updated in NPPES May 1, 2019
Taxonomy & licenses
363A00000X Physician Assistant Physician Assistants & Advanced Practice Nursing Providers · License 085.005533 (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 Michael Regan practice?
The practice location on file with NPPES is in Lisle, IL. Providers can have multiple locations; NPPES lists the primary practice address.
What is the NPI number for Michael Regan?
The National Provider Identifier (NPI) for Michael Regan is 1831575687, a Type 1 (individual) record in the CMS NPPES registry.
Source: CMS NPPES (public data). Snapshot 2026-07-13. Provider record last updated 2019-05-01.