Type 1 · Individual ✓ Active NPI ✓ Valid NPI checksum
Elizabeth E Birnbaum
Physician Assistant in Wilmette, IL · enumerated 2025.
Data current as of Jul 13, 2026 · sourced from CMS NPPES
National Provider Identifier
1780550731
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Registry record
Entity type Individual (Type 1)
Name Elizabeth E Birnbaum
Sex Female
Practice address 3201 Old Glenview Rd, Wilmette, IL, 60091
Phone (847) 673-6505
Fax (847) 673-2099
Enumeration date Oct 16, 2025
Last updated in NPPES Mar 16, 2026
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
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 Elizabeth Birnbaum?
Elizabeth Birnbaum is registered in NPPES with the primary taxonomy of Physician Assistant. The taxonomy code describes the provider's classification and area of specialization for claims and credentialing.
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Source: CMS NPPES (public data). Snapshot 2026-07-13. Provider record last updated 2026-03-16.