Type 1 · Individual ✓ Active NPI ✓ Valid NPI checksum
Dr. Ryan Walkling Herndon Blazei, PHD
Clinical Psychologist in Cary, NC · enumerated 2009.
Data current as of Jul 13, 2026 · sourced from CMS NPPES
National Provider Identifier
1104066125
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Registry record
Entity type Individual (Type 1)
Name Dr. Ryan Walkling Herndon Blazei
Credential PHD
Sex Female
Practice address 539 Keisler Dr, Suite 201, Cary, NC, 27518
Phone (919) 720-1452
Enumeration date Mar 3, 2009
Last updated in NPPES Nov 29, 2016
Taxonomy & licenses
103TC0700X Clinical Psychologist Behavioral Health & Social Service Providers · License 3701 (NC) Primary
PHD · Doctor of Philosophy: A doctoral degree; in healthcare often held by clinical psychologists and researchers.
About the PHD 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 Ryan Blazei?
Ryan Blazei is registered in NPPES with the primary taxonomy of Clinical Psychologist. 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 2016-11-29.