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

Dr. Robert Joseph Diorio, PHD

Individual provider Addiction (Substance Use Disorder) Counselor · NPI 1518169358

Dr. Robert Joseph Diorio, PHD is an Addiction (Substance Use Disorder) Counselor in Las Vegas, Nevada. Practices as a sole proprietor. Licensed in Nevada.

Licensed in
NV
In the registry since
2007
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

3530 E Flamingo Rd Ste 228
Las Vegas, NV 89121-5069
Phone: (702) 733-9853
Fax: (702) 733-6716
Show map & directions

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

Specialties & licences

Addiction (Substance Use Disorder) Counselor (primary) Taxonomy 101YA0400X · Licence 339-L (NV)

Record details

NPI number1518169358
Entity typeIndividual (Type 1)
GenderMale
Credentials PHD
Sole proprietorYes
NPI enumeratedJune 4, 2007
Last updated in NPPESJuly 8, 2007

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