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

Individual provider Counseling Psychologist · NPI 1851385801

Dr. Janet R. Messer, PHD is a Clinical Psychologist in Tempe, Arizona. Qualified in 1991, 35 years ago. Practices as a sole proprietor and accepts Medicare assignment. Licensed in Arizona.

Years since qualifying
35
Licensed in
AZ
In the registry since
2005
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

4659 S Lakeshore Dr Ste G
Tempe, AZ 85282-7150
Phone: (480) 449-3313
Fax: (480) 775-7185
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Pin is approximate — placed at the ZIP-code centre, not the exact door.

Specialties & licences

Counseling Psychologist (primary) Taxonomy 103TC1900X · Licence 3420 (AZ)

Record details

NPI number1851385801
Entity typeIndividual (Type 1)
GenderFemale
Credentials PHD
Sole proprietorYes
NPI enumeratedSeptember 6, 2005
Last updated in NPPESJuly 8, 2007
Mailing address4659 S Lakeshore Dr, Suite G, Tempe, AZ 85282-7150

Medicare enrollment

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

Medicare specialtyCLINICAL PSYCHOLOGIST
Medical schoolOTHER
Graduated 1991 (35 years in practice)
Accepts Medicare assignment Yes — accepts the Medicare-approved amount

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