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

Individual provider Clinical Psychologist · NPI 1912323445

Dr. Cassondra Zierk, PHD is a Clinical Psychologist in Columbus, Ohio. Practices as a sole proprietor. Licensed in Ohio.

Licensed in
OH
In the registry since
2014
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

420 N James Rd
Columbus, OH 43219-1834
Phone: (614) 257-5200
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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 7297 (OH)

Record details

NPI number1912323445
Entity typeIndividual (Type 1)
GenderFemale
Credentials PHD
Sole proprietorYes
NPI enumeratedMarch 7, 2014
Last updated in NPPESApril 21, 2016

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