Type 1 · Individual ✓ Active NPI ✓ Valid NPI checksum
Dr. Nadine O'Neill, DC
Chiropractor in Northport, NY · enumerated 2006.
Data current as of Jul 13, 2026 · sourced from CMS NPPES
National Provider Identifier
1285657312
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Registry record
Entity type Individual (Type 1)
Name Dr. Nadine O'Neill
Credential DC
Sex Female
Practice address 120 Woodbine Ave, Northport, NY, 11768
Phone (631) 262-6900
Fax (631) 754-0678
Enumeration date Jul 26, 2006
Last updated in NPPES Mar 21, 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
What is the NPI number for Nadine O'Neill?
The National Provider Identifier (NPI) for Nadine O'Neill is 1285657312, a Type 1 (individual) record in the CMS NPPES registry.
Where does Nadine O'Neill practice?
The practice location on file with NPPES is in Northport, NY. Providers can have multiple locations; NPPES lists the primary practice address.
Other providers at this practice address
Browse all → Nadine O'Neill Chiropractor PC Chiropractor · Northport, NY NPI 1447308150 Jack Alexander Acupuncturist · Northport, NY NPI 1801378096 Taylor Byrnes Acupuncturist · Northport, NY NPI 1164030284 Linda Blake Massage Therapist · Northport, NY NPI 1750097309 Alexander Acupuncture Acupuncturist · Northport, NY NPI 1275481954
Source: CMS NPPES (public data). Snapshot 2026-07-13. Provider record last updated 2008-03-21.