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

Dr. John Conor O'Neill, PHD

Individual provider Addiction (Substance Use Disorder) Psychologist · NPI 1336781491

Dr. John Conor O'Neill, PHD is an Addiction (Substance Use Disorder) Psychologist in Durham, North Carolina. Licensed in North Carolina. Registered with an NPI since 2019.

Licensed in
NC
In the registry since
2019
Specialties on file
3
What do these letters mean?
PHD — Doctor of Philosophy
A research doctorate. In healthcare it usually sits alongside a clinical licence.

See every abbreviation used in this directory →

Practice location Address checks out

2608 Erwin Rd Ste 300
Durham, NC 27705-4597
Phone: (919) 385-3232
Show map & directions

Pin is approximate — placed at the ZIP-code centre, not the exact door.

Specialties & licences

Clinical Child & Adolescent Psychologist (primary) Taxonomy 103TC2200X · Licence 5582 (NC)
Addiction (Substance Use Disorder) Psychologist Taxonomy 103TA0400X
School Psychologist Taxonomy 103TS0200X · Licence 1197954 (NC)

Record details

NPI number1336781491
Entity typeIndividual (Type 1)
GenderMale
Credentials PHD
Sole proprietorNo
NPI enumeratedOctober 10, 2019
Last updated in NPPESMay 4, 2021
Certification dateMay 4, 2021

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