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

Dr. Joan Costello, PHD

Individual provider Clinical Psychologist · NPI 1295756013

Dr. Joan Costello, PHD is a Clinical Psychologist in Northbrook, Illinois. Practices as a sole proprietor. Licensed in Illinois.

Licensed in
IL
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

601 Skokie Blvd Ste 305
Northbrook, IL 60062-2851
Phone: (847) 291-0151
Fax: (847) 291-0151
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Pin is approximate — placed at the ZIP-code centre, not the exact door.

Specialties & licences

Clinical Psychologist (primary) Taxonomy 103TC0700X (IL)

Record details

NPI number1295756013
Entity typeIndividual (Type 1)
GenderFemale
Credentials PHD
Sole proprietorYes
NPI enumeratedJuly 21, 2006
Last updated in NPPESJuly 8, 2007
Mailing address601 Skokie Blvd, Suite 305, Northbrook, IL 60062-2851

Other providers in Northbrook