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

Brian J Leahy, PHD

Individual provider Clinical Neuropsychologist · NPI 1679505358

Brian J Leahy, PHD is a Clinical Psychologist in Elk Grove Village, Illinois. Qualified in 2001, 25 years ago. Practices with Bonaventure Medical Foundation LLC, a 165-clinician group and accepts Medicare assignment. Licensed in Illinois.

Years since qualifying
25
Licensed in
IL
In the registry since
2006
Specialties on file
2
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

800 Biesterfield Rd Eberle Bldg Ste 610
Elk Grove Village, IL 60007-3311
Phone: (847) 981-3630
Fax: (847) 981-3633
Show map & directions

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

Specialties & licences

Clinical Neuropsychologist (primary) Taxonomy 103G00000X · Licence 071-006516 (IL)
Psychologist Taxonomy 103T00000X

Record details

NPI number1679505358
Entity typeIndividual (Type 1)
GenderMale
Credentials PHD
Sole proprietorNo
NPI enumeratedJuly 6, 2006
Last updated in NPPESMarch 22, 2021
Certification dateMarch 22, 2021

Medicare enrollment

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

Medicare specialtyCLINICAL PSYCHOLOGIST
Medical schoolOTHER
Graduated 2001 (25 years in practice)
Group practice Bonaventure Medical Foundation Llc — 165 clinicians
Accepts Medicare assignment Yes — accepts the Medicare-approved amount
Practice locations3 on file with Medicare

Other providers in Elk Grove Village