Type 1 · Individual ✓ Active NPI ✓ Valid NPI checksum
Dennis A. Irwin
Peer Specialist in Mobile, AL · enumerated 2025.
Data current as of Jul 13, 2026 · sourced from CMS NPPES
National Provider Identifier
1902774417
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Registry record
Entity type Individual (Type 1)
Name Dennis A. Irwin
Sex X
Practice address 1200b Spring Hill Ave, Mobile, AL, 36604
Phone (251) 405-3677
Fax (251) 405-3233
Enumeration date Oct 27, 2025
Last updated in NPPES Oct 27, 2025
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
Where does Dennis Irwin practice?
The practice location on file with NPPES is in Mobile, AL. Providers can have multiple locations; NPPES lists the primary practice address.
What is the NPI number for Dennis Irwin?
The National Provider Identifier (NPI) for Dennis Irwin is 1902774417, a Type 1 (individual) record in the CMS NPPES registry.
Other providers at this practice address
Browse all → Jim Ware Addiction (Substance Use Disorder) Counselor · Mobile, AL NPI 1871461681 Diane Irwin Peer Specialist · Mobile, AL NPI 1013885524 Travis Conner Peer Specialist · Mobile, AL NPI 1699643106 Amanda Rose Peer Specialist · Mobile, AL NPI 1609744127 Vernetta Myers Licensed Practical Nurse · Mobile, AL NPI 1952279440 Willie Myers Licensed Practical Nurse · Mobile, AL NPI 1497623995 George Whillock Registered Nurse First Assistant · Mobile, AL NPI 1548138043 Margaret Schottgen, Margaret J. Registered Nurse First Assistant · Mobile, AL NPI 1083582589
Source: CMS NPPES (public data). Snapshot 2026-07-13. Provider record last updated 2025-10-27.