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

Individual provider Clinical Psychologist · NPI 1235216854

Nicholas D Giardino, PHD is a Clinical Psychologist in Providence, Rhode Island. Qualified in 2001, 25 years ago. Works from 2 locations and accepts Medicare assignment. Licensed in Michigan and Rhode Island.

Years since qualifying
25
Licensed in
MI, RI
In the registry since
2006
Specialties on file
2
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

2 Charles St Ste A2-4
Providence, RI 02904-2269
Phone: (774) 264-8050
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Pin is approximate — placed at the ZIP-code centre, not the exact door.

Additional practice locations (1)

  • 130 Petaluma Ave Ste 2b, Sebastopol, CA 95472-4234 — (707) 360-2090

Specialties & licences

Clinical Psychologist (primary) Taxonomy 103TC0700X · Licence PS01544 (RI)
Clinical Psychologist Taxonomy 103TC0700X · Licence 6301013090 (MI)

Record details

NPI number1235216854
Entity typeIndividual (Type 1)
GenderMale
Credentials PHD
Sole proprietorNo
NPI enumeratedNovember 1, 2006
Last updated in NPPESFebruary 4, 2026
Certification dateFebruary 4, 2026

Medicare enrollment

From the CMS Doctors & Clinicians file — this clinician is enrolled in Medicare.

Medicare specialtyCLINICAL PSYCHOLOGIST
Medical schoolOTHER
Graduated 2001 (25 years in practice)
Accepts Medicare assignment Yes — accepts the Medicare-approved amount
Practice locations2 on file with Medicare

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