Mental Health Therapist

William Carl Rook, M.A., LCPC

732 Sussex Way, Suite B, O Fallon, Illinois, 62269-3074

About William Carl Rook

William Carl Rook is a therapist based in O Fallon, Illinois who is specialized in Mental Health Counselor. His current practice location is 732 Sussex Way, Suite B, O Fallon. Patients can reach him at 618-531-8501. William Carl Rook is M.A., LCPC in Mental Health Counselor and his NPI number (Unique professional ID assigned by NPPES) is 1194736397.

William Carl Rook is a licensed professional who helps individuals, couples, and families manage and overcome emotional, psychological, and behavioral challenges. He assess clients’ mental health conditions and develop personalized treatment plans to provide therapy for a range of mental health issues, including anxiety, depression, trauma, relationship issues, stress, grief, and life transitions.

Practice Information

William Carl Rook speciality, credentials, practice address, contact phone number and fax are as below. Patients can call on the below given phone number for appointment.

Provider Name William Carl Rook
Specialization Mental Health Counselor
Credentials M.A., LCPC
Gender Male
Practice Address: 732 Sussex Way, Suite B
O Fallon, IL - 62269-3074

Professional Identification Codes

NPI number stands for National Provider Identifier which is a unique 10-digit identification number issued to health care providers in the United States by the Centers for Medicare and Medicaid Services (CMS). NPI details are as mentioned below.

NPI Number1194736397
NPI Enumeration Date: 11 Aug, 2006
NPI Last Update On: 09 Jul, 2007

Medical Licenses:

Healthcare professionals can hold one or more medical licenses for different specialities in the same state or different states. Related medical licenses for William Carl Rook are as mentioned below.

License NumberSpecializationStateStatus
Mental Health Counselor IllinoisPrimary

Mailing Address

Business mailing address can be used for mailing purpose only, for visiting purpose patients need to refer above mentioned Practice address.

William Carl Rook
916 Saint Nicholas Drive,
O Fallon, IL - 62269
Phone: 618-531-8501

Book an Appointment with William Carl Rook

To schedule an appointment, contact William Carl Rook at 732 Sussex Way, Suite B, O Fallon, Illinois or call on below stated phone number.

Call to Book an Appointment

Frequently Asked Questions

Below are some commonly asked questions about William Carl Rook:

William Carl Rook is a therapist specializing in Mental Health Counselor. He is a licensed professional who helps individuals, couples, and families manage and overcome emotional, psychological, and behavioral challenges. He assess clients’ mental health conditions and develop personalized treatment plans to provide therapy for a range of mental health issues, including anxiety, depression, trauma, relationship issues, stress, grief, and life transitions.

Yes, William Carl Rook is currently accepting new patients. To schedule an appointment, contact the office directly and schedule an appointment.

William Carl Rook practices at 732 Sussex Way, Suite B, O Fallon, Illinois, 62269-3074.

To schedule an appointment with William Carl Rook, please contact the office at 618-531-8501.

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**Data of this site is collected from Medicare & Medicaid Services (CMS) and NPPES. Last updated on 14 September, 2026.