Type 1 · Individual ✓ Active NPI ✓ Valid NPI checksum
Dr. Don A Harless, D.C.
Chiropractor in Modesto, CA · enumerated 2006.
Data current as of Jul 13, 2026 · sourced from CMS NPPES
National Provider Identifier
1629037759
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Registry record
Entity type Individual (Type 1)
Name Dr. Don A Harless
Credential D.C.
Sex Male
Practice address 2801 Coffee Rd, Suite A-1, Modesto, CA, 95355
Phone (209) 524-7796
Fax (209) 524-8477
Enumeration date Mar 18, 2006
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
Where does Don Harless practice?
The practice location on file with NPPES is in Modesto, CA. Providers can have multiple locations; NPPES lists the primary practice address.
What is the NPI number for Don Harless?
The National Provider Identifier (NPI) for Don Harless is 1629037759, 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 2007-07-08.