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

Dr. William G Ressl, MDIV, MSW, PHD, LCSW

Individual provider Clinical Social Worker · NPI 1326785973

Dr. William G Ressl, MDIV, MSW, PHD, LCSW is a Clinical Social Worker in Brookfield, Illinois. Qualified in 2004, 22 years ago. Practices with Penny and Bill Company, a 2-clinician group. Licensed in Illinois.

Years since qualifying
22
Licensed in
IL
In the registry since
2022
What do these letters mean?
MSW — Master of Social Work
The graduate degree in social work.
PHD — Doctor of Philosophy
A research doctorate. In healthcare it usually sits alongside a clinical licence.
LCSW — Licensed Clinical Social Worker
A social worker licensed to diagnose and treat mental health conditions independently.

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Practice location Address checks out

3604 Sunnyside Ave
Brookfield, IL 60513-1630
Phone: (708) 387-7986
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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 149.013587 (IL)

Record details

NPI number1326785973
Entity typeIndividual (Type 1)
GenderMale
Credentials MDIV , MSW , PHD , LCSW
Sole proprietorYes
NPI enumeratedMay 16, 2022
Last updated in NPPESMay 16, 2022
Certification dateMay 16, 2022

Medicare enrollment

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

Medicare specialtyCLINICAL SOCIAL WORKER
Medical schoolOTHER
Graduated 2004 (22 years in practice)
Group practice Penny And Bill Company — 2 clinicians
Accepts Medicare assignment Not indicated

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