Type 1 · Individual ✓ Active NPI ✓ Valid NPI checksum
Diana Yu, D.O.
Pediatrics Physician in Fontana, CA · enumerated 2016.
Data current as of Jul 13, 2026 · sourced from CMS NPPES
National Provider Identifier
1790147510
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Registry record
Entity type Individual (Type 1)
Name Diana Yu
Credential D.O.
Sex Female
Practice address 16465 Sierra Lakes Pkwy Ste 275, Fontana, CA, 92336
Phone (909) 823-8000
Fax (909) 823-8088
Enumeration date Mar 22, 2016
Last updated in NPPES Jul 9, 2019
Taxonomy & licenses
DO · Doctor of Osteopathic Medicine: A fully licensed physician trained in osteopathic medical schools, with the same practice rights as an MD.
About the DO 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 Diana Yu?
The National Provider Identifier (NPI) for Diana Yu is 1790147510, a Type 1 (individual) record in the CMS NPPES registry.
Where does Diana Yu practice?
The practice location on file with NPPES is in Fontana, CA. Providers can have multiple locations; NPPES lists the primary practice address.
Other providers at this practice address
Browse all → Emily Hun Medical Physician Assistant · Fontana, CA NPI 1164605093 Lizlyn Rose Lucrida Pediatrics Physician · Fontana, CA NPI 1427514470 Lisa Hanson Family Nurse Practitioner · Fontana, CA NPI 1013676048 Chelsea Kigerl Physician Assistant · Fontana, CA NPI 1326774993 Uwa Comfort Azubuike Family Nurse Practitioner · Fontana, CA NPI 1346023991
Source: CMS NPPES (public data). Snapshot 2026-07-13. Provider record last updated 2019-07-09.