Type 1 · Individual ✓ Active NPI ✓ Valid NPI checksum
Mr. Patrick Joseph Ahern, JD LCSW
Social Worker in St Charles, IL · enumerated 2005.
Data current as of Jul 13, 2026 · sourced from CMS NPPES
National Provider Identifier
1750371183
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Registry record
Entity type Individual (Type 1)
Name Mr. Patrick Joseph Ahern
Credential JD LCSW
Sex Male
Practice address 2210 Dean St, Ste O1, St Charles, IL, 60175
Phone (630) 587-6910
Fax (630) 587-4928
Enumeration date Oct 26, 2005
Last updated in NPPES Jul 8, 2007
Taxonomy & licenses
104100000X Social Worker Behavioral Health & Social Service Providers · License 49006411 (IL) Primary
Other identifiers
| Identifier | Type | State | Issuer |
|---|---|---|---|
| 04532233 | Other | IL | BLUE CROSS BLUE SHIELD |
| 2080026 | Other | IL | CIGNA BEHAVIORAL HEALTH |
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 Patrick Ahern practice?
The practice location on file with NPPES is in St Charles, IL. Providers can have multiple locations; NPPES lists the primary practice address.
What is the NPI number for Patrick Ahern?
The National Provider Identifier (NPI) for Patrick Ahern is 1750371183, 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 2007-07-08.