Type 1 · Individual ✓ Active NPI ✓ Valid NPI checksum
Benjamin Chang
Psychiatry Physician in Fontana, CA · enumerated 2020.
Data current as of Jul 13, 2026 · sourced from CMS NPPES
National Provider Identifier
1184251365
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Registry record
Entity type Individual (Type 1)
Name Benjamin Chang
Sex Male
Practice address 17234 Valley Blvd., Bldg. A, Fontana, CA, 92335
Phone (866) 205-3595
Enumeration date Mar 26, 2020
Last updated in NPPES Oct 23, 2025
Taxonomy & licenses
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 Benjamin Chang?
Benjamin Chang is registered in NPPES with the primary taxonomy of Psychiatry Physician. The taxonomy code describes the provider's classification and area of specialization for claims and credentialing.
Other providers at this practice address
Browse all → Rahul Maini Child & Adolescent Psychiatry Physician · Fontana, CA NPI 1831891803 Aneri Patel Student in an Organized Health Care Education/Training Program · Fontana, CA NPI 1891558763 Areg Gargaloyan Student in an Organized Health Care Education/Training Program · Fontana, CA NPI 1245087097 David Hernandez Student in an Organized Health Care Education/Training Program · Fontana, CA NPI 1730029729
Source: CMS NPPES (public data). Snapshot 2026-07-13. Provider record last updated 2025-10-23.