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

Individual provider Clinical Neuropsychologist · NPI 1063624104

Dr. John Allan Ernst, PHD is a Clinical Neuropsychologist in Tacoma, Washington. Practices as a sole proprietor. Licensed in Washington.

Licensed in
WA
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

1717 S J St # MS 02-12 ST Joseph Medical Center
Tacoma, WA 98405-4933
Phone: (253) 426-6762
Fax: (253) 426-6224
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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 953 (WA)

Record details

NPI number1063624104
Entity typeIndividual (Type 1)
GenderMale
Credentials PHD
Sole proprietorYes
NPI enumeratedMay 3, 2007
Last updated in NPPESMarch 1, 2011

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