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

Dr. Tessa Nalven O'Neil, PHD

Individual provider Clinical Psychologist · NPI 1881552594

Dr. Tessa Nalven O'Neil, PHD is a Clinical Psychologist in Providence, Rhode Island. Licensed in Rhode Island. Registered with an NPI since 2026.

Licensed in
RI
In the registry since
2026
What do these letters mean?
PHD — Doctor of Philosophy
A research doctorate. In healthcare it usually sits alongside a clinical licence.

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Practice location Address checks out

205 Waterman St
Providence, RI 02906-4313
Phone: (401) 379-2295
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Pin is approximate — placed at the ZIP-code centre, not the exact door.

Specialties & licences

Clinical Psychologist (primary) Taxonomy 103TC0700X · Licence PS02413 (RI)

Record details

NPI number1881552594
Entity typeIndividual (Type 1)
GenderFemale
Credentials PHD
Sole proprietorNo
NPI enumeratedJanuary 12, 2026
Last updated in NPPESJanuary 12, 2026
Certification dateJanuary 12, 2026

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