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

Individual provider Clinical Psychologist · NPI 1730236431

Dr. Diane Gail Mercier, PHD is a Clinical Psychologist in Reno, Nevada. Qualified in 1984, 42 years ago. Practices as a sole proprietor and accepts Medicare assignment. Licensed in Nevada.

Years since qualifying
42
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.

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Practice location Address checks out

177 Cadillac Pl
Reno, NV 89509-4355
Phone: (775) 827-7501
Fax: (775) 827-7504
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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 PY139 (NV)

Record details

NPI number1730236431
Entity typeIndividual (Type 1)
GenderFemale
Credentials PHD
Sole proprietorYes
NPI enumeratedJanuary 4, 2007
Last updated in NPPESJuly 8, 2007

Medicare enrollment

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

Medicare specialtyCLINICAL PSYCHOLOGIST
Medical schoolOTHER
Graduated 1984 (42 years in practice)
Accepts Medicare assignment Yes — accepts the Medicare-approved amount

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