Type 1 · Individual ✓ Active NPI ✓ Valid NPI checksum
Elizabeth Porio, RN, BSN
Registered Nurse in San Mateo, CA · enumerated 2014.
Data current as of Jul 13, 2026 · sourced from CMS NPPES
National Provider Identifier
1053720623
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Registry record
Entity type Individual (Type 1)
Name Elizabeth Porio
Credential RN, BSN
Sex Female
Practice address 1700 S Amphlett Blvd Ste 221, San Mateo, CA, 94402
Phone (925) 412-3425
Enumeration date Aug 8, 2014
Last updated in NPPES Jul 15, 2024
Taxonomy & licenses
163WL0100X Lactation Consultant (Registered Nurse) Nursing Service Providers · License RN2274480 (MA) Secondary
RN · Registered Nurse: A nurse who completed an accredited nursing program and passed the NCLEX-RN licensure exam.
About the RN 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 Elizabeth Porio?
Elizabeth Porio is registered in NPPES with the primary taxonomy of Registered Nurse. The taxonomy code describes the provider's classification and area of specialization for claims and credentialing.
Source: CMS NPPES (public data). Snapshot 2026-07-13. Provider record last updated 2024-07-15.