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

Individual provider Psychologist · NPI 1376914697

Gretchen Wenaas Arian, PHD is a Clinical Psychologist in Las Vegas, Nevada. Qualified in 2013, 13 years ago. Accepts Medicare assignment. Licensed in California, Nevada and Texas.

Years since qualifying
13
Licensed in
CA, NV, TX
In the registry since
2015
Specialties on file
5
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

5940 S Rainbow Blvd
Las Vegas, NV 89118-2506
Phone: (702) 213-1456
Fax: (702) 442-8476
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Pin is approximate — placed at the ZIP-code centre, not the exact door.

Specialties & licences

Clinical Neuropsychologist (primary) Taxonomy 103G00000X · Licence PY0891 (NV)
Psychologist Taxonomy 103T00000X · Licence PSY 27498 (CA)
Psychologist Taxonomy 103T00000X · Licence 36803 (TX)
Psychologist Taxonomy 103T00000X · Licence PY0891 (NV)
Clinical Neurophysiology Physician Taxonomy 2084N0600X · Licence PSY27498 (CA)

Record details

NPI number1376914697
Entity typeIndividual (Type 1)
GenderFemale
Credentials PHD
Sole proprietorNo
NPI enumeratedOctober 13, 2015
Last updated in NPPESJanuary 15, 2024
Certification dateJanuary 15, 2024

Medicare enrollment

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

Medicare specialtyCLINICAL PSYCHOLOGIST
Medical schoolOTHER
Graduated 2013 (13 years in practice)
Accepts Medicare assignment Yes — accepts the Medicare-approved amount
Practice locations3 on file with Medicare

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