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

Dr. Warren J Fournier II, MD

Individual provider Psychiatry Physician · NPI 1992770580

Dr. Warren J Fournier II, MD is a Psychiatry in Fairview Heights, Illinois. Graduated from Louisiana State University School of Medicine in New Orleans in 1999, 27 years ago. Practices with Southlake Community Mental Health Center Inc, a 38-clinician group and accepts Medicare assignment. Licensed in Illinois.

Years since qualifying
27
Trained at
Louisiana State University School of Medicine in New Orleans
Licensed in
IL
In the registry since
2006
What do these letters mean?
MD — Doctor of Medicine
A physician who completed allopathic medical school.

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Practice location Address checks out

125 N Ruby Ln
Fairview Heights, IL 62208-1926
Phone: (618) 398-4226
Fax: (618) 398-1759
Show map & directions

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

Specialties & licences

Psychiatry Physician (primary) Taxonomy 2084P0800X · Licence 036115099 (IL)

Record details

NPI number1992770580
Entity typeIndividual (Type 1)
GenderMale
Credentials MD
Sole proprietorNo
NPI enumeratedFebruary 17, 2006
Last updated in NPPESDecember 15, 2010

Medicare enrollment

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

Medicare specialtyPSYCHIATRY
Medical schoolLOUISIANA STATE UNIVERSITY SCHOOL OF MEDICINE IN NEW ORLEANS
Graduated 1999 (27 years in practice)
Group practice Southlake Community Mental Health Center Inc — 38 clinicians
Accepts Medicare assignment Yes — accepts the Medicare-approved amount

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