Type 1 · Individual ✓ Active NPI ✓ Valid NPI checksum
Anthony Gerard Ryan, RN
Registered Nurse in Costa Mesa, CA · enumerated 2017.
Data current as of Jul 13, 2026 · sourced from CMS NPPES
National Provider Identifier
1144746108
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Registry record
Entity type Individual (Type 1)
Name Anthony Gerard Ryan
Credential RN
Sex Male
Practice address 590 Traverse Dr, Costa Mesa, CA, 92626
Phone (714) 966-8650
Enumeration date Aug 21, 2017
Last updated in NPPES Aug 21, 2017
Taxonomy & licenses
163WP0808X Psychiatric/Mental Health Registered Nurse Nursing Service Providers · License 95024953 (CA) 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
What is the NPI number for Anthony Ryan?
The National Provider Identifier (NPI) for Anthony Ryan is 1144746108, a Type 1 (individual) record in the CMS NPPES registry.
Where does Anthony Ryan practice?
The practice location on file with NPPES is in Costa Mesa, CA. Providers can have multiple locations; NPPES lists the primary practice address.
Other providers at this practice address
Browse all → South Coast Traverse Emotionally Disturbed Childrens' Residential Treatment Facility · Costa Mesa, CA NPI 1982879813 Richard Chaffee Adult Psychiatric/Mental Health Registered Nurse · Costa Mesa, CA NPI 1174001580 Yellowstone Women'S First Step House, Inc. Substance Abuse Rehabilitation Facility · Costa Mesa, CA NPI 1114763851
Source: CMS NPPES (public data). Snapshot 2026-07-13. Provider record last updated 2017-08-21.