Type 1 · Individual ✓ Active NPI ✓ Valid NPI checksum
Matthew Callan
Specialist in Upland, CA · enumerated 2016.
Data current as of Jul 13, 2026 · sourced from CMS NPPES
National Provider Identifier
1376999177
See something wrong? Report a correction
Registry record
Entity type Individual (Type 1)
Name Matthew Callan
Sex Male
Practice address 818 N Mountain Ave Ste 207, Upland, CA, 91786
Phone (909) 860-8446
Enumeration date May 11, 2016
Last updated in NPPES May 11, 2016
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
Where does Matthew Callan practice?
The practice location on file with NPPES is in Upland, CA. Providers can have multiple locations; NPPES lists the primary practice address.
What is the NPI number for Matthew Callan?
The National Provider Identifier (NPI) for Matthew Callan is 1376999177, a Type 1 (individual) record in the CMS NPPES registry.
Other providers at this practice address
Browse all →Source: CMS NPPES (public data). Snapshot 2026-07-13. Provider record last updated 2016-05-11.