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

Individual provider Clinical Social Worker · NPI 1003925876

Joan Cassilly Petersen, LCSW is a Clinical Social Worker in St. Louis, Missouri. Licensed in Missouri. Registered with an NPI since 2006.

Licensed in
MO
In the registry since
2006
What do these letters mean?
LCSW — Licensed Clinical Social Worker
A social worker licensed to diagnose and treat mental health conditions independently.

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Practice location Partly verified

Some contact details are missing from the federal record.

Personal Potentials Inc 10000 Watson Rd #2L18
St. Louis, MO 63126
Phone: (314) 822-4727
Fax: (314) 822-0531
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Pin is approximate — placed at the ZIP-code centre, not the exact door.

Specialties & licences

Clinical Social Worker (primary) Taxonomy 1041C0700X · Licence 000296 (MO)

Record details

NPI number1003925876
Entity typeIndividual (Type 1)
GenderFemale
Credentials LCSW
Sole proprietorNo
NPI enumeratedAugust 29, 2006
Last updated in NPPESSeptember 3, 2008

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