Type 1 · Individual ✓ Active NPI ✓ Valid NPI checksum
Hope Posadas Santiago, NP
Nurse Practitioner in Ontario, CA · enumerated 2005.
Data current as of Jul 13, 2026 · sourced from CMS NPPES
National Provider Identifier
1245226000
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Registry record
Entity type Individual (Type 1)
Name Hope Posadas Santiago
Credential NP
Sex Female
Practice address 2618 Sherwin Creek Pl, Ontario, CA, 91761
Phone (909) 947-4306
Fax (909) 947-4306
Enumeration date Sep 26, 2005
Last updated in NPPES Jul 8, 2007
Taxonomy & licenses
363L00000X Nurse Practitioner Physician Assistants & Advanced Practice Nursing Providers · License 15317 (CA) Primary
NP · Nurse Practitioner: An advanced practice registered nurse with graduate training, licensed to diagnose and treat, often with prescriptive authority.
About the NP 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 Hope Santiago?
The National Provider Identifier (NPI) for Hope Santiago is 1245226000, a Type 1 (individual) record in the CMS NPPES registry.
Where does Hope Santiago practice?
The practice location on file with NPPES is in Ontario, CA. Providers can have multiple locations; NPPES lists the primary practice address.
Source: CMS NPPES (public data). Snapshot 2026-07-13. Provider record last updated 2007-07-08.