Type 1 · Individual ✓ Active NPI ✓ Valid NPI checksum
Dr. Allison Wirt, OD, MS
Optometrist in Birmingham, AL · enumerated 2022.
Data current as of Jul 13, 2026 · sourced from CMS NPPES
National Provider Identifier
1942928791
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Registry record
Entity type Individual (Type 1)
Name Dr. Allison Wirt
Credential OD, MS
Sex Female
Practice address 4616 Highway 280, Birmingham, AL, 35242
Phone (205) 408-4069
Enumeration date Aug 18, 2022
Last updated in NPPES Mar 5, 2026
Taxonomy & licenses
OD · Doctor of Optometry: A licensed optometrist providing primary vision care, eye exams, and corrective lenses.
About the OD credential
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
Is this the official NPI registry?
No. NPI Portal is a private site built on public CMS NPPES data. The official registry is npiregistry.cms.hhs.gov, operated by CMS.
What specialty is Allison Wirt?
Allison Wirt is registered in NPPES with the primary taxonomy of Optometrist. The taxonomy code describes the provider's classification and area of specialization for claims and credentialing.
Other providers at this practice address
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Source: CMS NPPES (public data). Snapshot 2026-07-13. Provider record last updated 2026-03-05.