Type 1 · Individual ✓ Active NPI ✓ Valid NPI checksum
Dr. Matthew John Colby, D.C.
Chiropractor in Phoenix, AZ · enumerated 2007.
Data current as of Jul 13, 2026 · sourced from CMS NPPES
National Provider Identifier
1417004672
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Registry record
Entity type Individual (Type 1)
Name Dr. Matthew John Colby
Credential D.C.
Sex Male
Practice address 3233 E Chandler Blvd, Suite 3, Phoenix, AZ, 85048
Phone (480) 812-1981
Fax (480) 812-2021
Enumeration date Jan 3, 2007
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
What is the NPI number for Matthew Colby?
The National Provider Identifier (NPI) for Matthew Colby is 1417004672, a Type 1 (individual) record in the CMS NPPES registry.
Where does Matthew Colby practice?
The practice location on file with NPPES is in Phoenix, AZ. Providers can have multiple locations; NPPES lists the primary practice address.
Other providers at this practice address
Browse all →Source: CMS NPPES (public data). Snapshot 2026-07-13. Provider record last updated 2007-07-08.