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

Dr. Mark A Celio, PHD

Individual provider Addiction (Substance Use Disorder) Psychologist · NPI 1033675145

Dr. Mark A Celio, PHD is an Addiction (Substance Use Disorder) Psychologist in Providence, Rhode Island. Practices as a sole proprietor. Licensed in Rhode Island.

Licensed in
RI
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.

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Practice location Address checks out

121 S Main St
Providence, RI 02903-2905
Phone: (401) 863-6662
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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 PS01682 (RI)
Addiction (Substance Use Disorder) Psychologist Taxonomy 103TA0400X
Cognitive & Behavioral Psychologist Taxonomy 103TB0200X

Record details

NPI number1033675145
Entity typeIndividual (Type 1)
GenderMale
Credentials PHD
Sole proprietorYes
NPI enumeratedFebruary 13, 2019
Last updated in NPPESFebruary 13, 2019

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