Type 1 · Individual ✓ Active NPI ✓ Valid NPI checksum
Kristine Brown Esguerra, PHARMD
Pharmacist in Fontana, CA · enumerated 2021.
Data current as of Jul 13, 2026 · sourced from CMS NPPES
National Provider Identifier
1639845431
See something wrong? Report a correction
Registry record
Entity type Individual (Type 1)
Name Kristine Brown Esguerra
Credential PHARMD
Sex Female
Practice address 17284 Slover Ave Ste 204, Fontana, CA, 92337
Phone (909) 609-3337
Enumeration date Aug 20, 2021
Last updated in NPPES Aug 20, 2021
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
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 Kristine Esguerra?
Kristine Esguerra is registered in NPPES with the primary taxonomy of Pharmacist. The taxonomy code describes the provider's classification and area of specialization for claims and credentialing.
Other providers at this practice address
Browse all → Christopher Tjon Pharmacist · Fontana, CA NPI 1497013817 Davina Garls Pharmacist · Fontana, CA NPI 1477801553 Carrie Bitterlich Pharmacist · Fontana, CA NPI 1174944565 Staci Tagawa Pharmacist · Fontana, CA NPI 1821469529 Karen Bae Ambulatory Care Pharmacist · Fontana, CA NPI 1013402098 Susan Schroeter Student in an Organized Health Care Education/Training Program · Fontana, CA NPI 1992281067 Arianna Rosales Pharmacist · Fontana, CA NPI 1629671722 Amy Lien Pharmacist · Fontana, CA NPI 1952904906
Source: CMS NPPES (public data). Snapshot 2026-07-13. Provider record last updated 2021-08-20.