Type 1 · Individual ✓ Active NPI ✓ Valid NPI checksum
John Terrance Leong, DC
Chiropractor in Temecula, CA · enumerated 2006.
Data current as of Jul 13, 2026 · sourced from CMS NPPES
National Provider Identifier
1740369123
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Registry record
Entity type Individual (Type 1)
Name John Terrance Leong
Credential DC
Sex Male
Practice address 29645 Rancho California Rd, Ste 205, Temecula, CA, 92591
Phone (951) 676-6733
Fax (951) 676-2833
Enumeration date Nov 4, 2006
Last updated in NPPES Jul 8, 2007
Taxonomy & licenses
DC · Doctor of Chiropractic: A licensed chiropractor focusing on musculoskeletal and nervous system disorders.
About the DC 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
Where does John Leong practice?
The practice location on file with NPPES is in Temecula, CA. Providers can have multiple locations; NPPES lists the primary practice address.
What is the NPI number for John Leong?
The National Provider Identifier (NPI) for John Leong is 1740369123, a Type 1 (individual) record in the CMS NPPES registry.
Other providers at this practice address
Browse all → Donna Krepak Pediatrics Physician · Temecula, CA NPI 1750389177 Cynthia Ward Clinical Social Worker · Temecula, CA NPI 1609868629 David Schwartz Family Medicine Physician · Temecula, CA NPI 1912999087 Lamont Lee Clinical Psychologist · Temecula, CA NPI 1922098797 Matthew Wilson Specialist · Temecula, CA NPI 1548244247 John Luckey General Practice Dentistry · Temecula, CA NPI 1851366603 Kathy Joo Endocrinology, Diabetes & Metabolism Physician · Temecula, CA NPI 1457318347 Ahmad Saab M.D., Faafp, A Professional Medical Corporation Family Medicine Physician · Temecula, CA NPI 1558392290
Source: CMS NPPES (public data). Snapshot 2026-07-13. Provider record last updated 2007-07-08.