Type 1 · Individual ✓ Active NPI ✓ Valid NPI checksum
Dr. Brad P. Williamson, D.C.
Chiropractor in Mesa, AZ · enumerated 2008.
Data current as of Jul 13, 2026 · sourced from CMS NPPES
National Provider Identifier
1447407747
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Registry record
Entity type Individual (Type 1)
Name Dr. Brad P. Williamson
Credential D.C.
Sex Male
Practice address 4824 E. Baseline Road, Suite 140, Mesa, AZ, 85206
Phone (480) 969-4040
Fax (480) 830-9202
Enumeration date Aug 19, 2008
Last updated in NPPES Aug 19, 2008
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 Brad Williamson practice?
The practice location on file with NPPES is in Mesa, AZ. Providers can have multiple locations; NPPES lists the primary practice address.
What is the NPI number for Brad Williamson?
The National Provider Identifier (NPI) for Brad Williamson is 1447407747, a Type 1 (individual) record in the CMS NPPES registry.
Source: CMS NPPES (public data). Snapshot 2026-07-13. Provider record last updated 2008-08-19.