Provider records sourced from NPPES (CMS National Plan & Provider Enumeration System). Data current as of August 10, 2026.
NPIDirectory

Dr. Joseph John O'Neill, DDS

Individual provider General Practice Dentistry · NPI 1477701605

Dr. Joseph John O'Neill, DDS is a General Practice Dentistry in Arcadia, California. Practices as a sole proprietor. Licensed in California.

Licensed in
CA
In the registry since
2008
What do these letters mean?
DDS — Doctor of Dental Surgery
A dentist. DDS and DMD are the same qualification — universities choose which title to award.

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Practice location Address checks out

550 W Duarte Rd Ste 2
Arcadia, CA 91007-7362
Phone: (626) 447-4255
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Pin is approximate — placed at the ZIP-code centre, not the exact door.

Specialties & licences

General Practice Dentistry (primary) Taxonomy 1223G0001X · Licence 13875 (CA)

Record details

NPI number1477701605
Entity typeIndividual (Type 1)
GenderMale
Credentials DDS
Sole proprietorYes
NPI enumeratedAugust 29, 2008
Last updated in NPPESAugust 29, 2008

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