Type 1 · Individual ✓ Active NPI ✓ Valid NPI checksum
Esther Kyung-J Yu, PHARMD
Pharmacist in Fullerton, CA · enumerated 2019.
Data current as of Jul 13, 2026 · sourced from CMS NPPES
National Provider Identifier
1720551054
See something wrong? Report a correction
Registry record
Entity type Individual (Type 1)
Name Esther Kyung-J Yu
Credential PHARMD
Sex Female
Practice address 1401 S Brookhurst Rd, Fullerton, CA, 92833
Phone (714) 992-4908
Enumeration date Jan 9, 2019
Last updated in NPPES Jan 6, 2022
Taxonomy & licenses
PHARMD · Doctor of Pharmacy: A licensed pharmacist with a professional doctorate in pharmacy.
About the PHARMD 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 Esther Yu?
The National Provider Identifier (NPI) for Esther Yu is 1720551054, a Type 1 (individual) record in the CMS NPPES registry.
Where does Esther Yu practice?
The practice location on file with NPPES is in Fullerton, CA. Providers can have multiple locations; NPPES lists the primary practice address.
Other providers at this practice address
Browse all → Richard Bien Physical Therapist · Fullerton, CA NPI 1669493094 Joy Kim Chiropractor · Fullerton, CA NPI 1699789479 Specialty Medical Center, Inc Nephrology Physician · Fullerton, CA NPI 1104933183 Fullerton Medical Pharmacy Inc Community/Retail Pharmacy · Fullerton, CA NPI 1164692745 Paul Choong Hwan Lee MD A Medical Corporation Ophthalmology Physician · Fullerton, CA NPI 1407096332 Bio-Medical Applications of California Inc. End-Stage Renal Disease (ESRD) Treatment Clinic/Center · Fullerton, CA NPI 1861767378 Paul Choong Hwan Lee, M.D. A Medical Corporation Ophthalmology Physician · Fullerton, CA NPI 1497011290 Bom Seok Jeon Oral and Maxillofacial Surgery (Dentist) · Fullerton, CA NPI 1295175859
Source: CMS NPPES (public data). Snapshot 2026-07-13. Provider record last updated 2022-01-06.