Type 1 · Individual ✓ Active NPI ✓ Valid NPI checksum
Dr. Franklin Donald Sihock Jr., D.C.
Chiropractor in Chino, CA · enumerated 2007.
Data current as of Jul 13, 2026 · sourced from CMS NPPES
National Provider Identifier
1851430516
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Registry record
Entity type Individual (Type 1)
Name Dr. Franklin Donald Sihock Jr.
Credential D.C.
Sex Male
Practice address 4590 Riverside Dr, Chino, CA, 91710
Phone (909) 597-3805
Fax (909) 591-4720
Enumeration date Feb 6, 2007
Last updated in NPPES Aug 16, 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
What is the NPI number for Franklin Sihock?
The National Provider Identifier (NPI) for Franklin Sihock is 1851430516, a Type 1 (individual) record in the CMS NPPES registry.
Where does Franklin Sihock practice?
The practice location on file with NPPES is in Chino, CA. Providers can have multiple locations; NPPES lists the primary practice address.
Other providers at this practice address
Browse all → Gary Sannes Chiropractor · Chino, CA NPI 1568519460 Pacific Empire Chiropractic A Professional Chiropractic Corporation Chiropractor · Chino, CA NPI 1043426166 Tong Lee Chiropractor · Chino, CA NPI 1962662163 Pacific Empire Physical Medicine and Healthcare Inc General Practice Physician · Chino, CA NPI 1912385451
Source: CMS NPPES (public data). Snapshot 2026-07-13. Provider record last updated 2007-08-16.