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

Joanne M. Armstrong, PHD

Individual provider Clinical Psychologist · NPI 1659435675

Joanne M. Armstrong, PHD is a Clinical Psychologist in Greenville, South Carolina. Qualified in 1987, 39 years ago. Practices as a sole proprietor and accepts Medicare assignment. Licensed in South Carolina.

Years since qualifying
39
Licensed in
SC
In the registry since
2006
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

214 Roper Mountain Road Ext
Greenville, SC 29615-4825
Phone: (864) 801-8842
Fax: (864) 990-5772
Show map & directions

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

Specialties & licences

Clinical Psychologist (primary) Taxonomy 103TC0700X · Licence 573 (SC)

Record details

NPI number1659435675
Entity typeIndividual (Type 1)
GenderFemale
Credentials PHD
Sole proprietorYes
NPI enumeratedDecember 21, 2006
Last updated in NPPESFebruary 10, 2012
Mailing addressPo Box 4517, Greenville, SC 29608-4517

Medicare enrollment

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

Medicare specialtyCLINICAL PSYCHOLOGIST
Medical schoolOTHER
Graduated 1987 (39 years in practice)
Accepts Medicare assignment Yes — accepts the Medicare-approved amount

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