Type 1 · Individual ✓ Active NPI ✓ Valid NPI checksum
Dr. William Joseph O'Donnell Jr., D.C.
Chiropractor in Corvallis, OR · enumerated 2010.
Data current as of Jul 13, 2026 · sourced from CMS NPPES
National Provider Identifier
1659601177
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Registry record
Entity type Individual (Type 1)
Name Dr. William Joseph O'Donnell Jr.
Credential D.C.
Sex Male
Practice address 107 Sw 2nd St, Corvallis, OR, 97333
Phone (541) 363-3100
Fax (866) 572-0412
Enumeration date Jan 6, 2010
Last updated in NPPES Jun 22, 2010
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 William O'Donnell practice?
The practice location on file with NPPES is in Corvallis, OR. Providers can have multiple locations; NPPES lists the primary practice address.
What is the NPI number for William O'Donnell?
The National Provider Identifier (NPI) for William O'Donnell is 1659601177, a Type 1 (individual) record in the CMS NPPES registry.
Other providers at this practice address
Browse all → Vertebrata Chiropractic, PC Multi-Specialty Clinic/Center · Corvallis, OR NPI 1164736393 Jennifer Zachary Massage Therapist · Corvallis, OR NPI 1710291588 Jaya Conser Lapham Massage Therapist · Corvallis, OR NPI 1427344696 Alexandra Hollingsworth Massage Therapist · Corvallis, OR NPI 1205123130 Corvallis Acupuncture and Wellness Center Acupuncturist · Corvallis, OR NPI 1881103356 Peter Hartman Massage Therapist · Corvallis, OR NPI 1891295739 Monique Handloser Acupuncturist · Corvallis, OR NPI 1003602830
Source: CMS NPPES (public data). Snapshot 2026-07-13. Provider record last updated 2010-06-22.