Mental Health Therapist

Leslie Williams

2123 Holland St, Alton, Illinois, 62002-3339

About Leslie Williams

Leslie Williams is a therapist based in Alton, Illinois who is specialized in Mental Health Counselor. His current practice location is 2123 Holland St, Alton. Patients can reach him at 618-465-5903 or can fax him at 618-462-2504. Leslie Williams NPI number (Unique professional ID assigned by NPPES) is 1760885032.

Leslie Williams 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

Leslie Williams 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 Leslie Williams
Specialization Mental Health Counselor
Gender Male
Practice Address: 2123 Holland St,
Alton, IL - 62002-3339
Fax 618-462-2504

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 Number1760885032
NPI Enumeration Date: 01 Oct, 2014
NPI Last Update On: 02 Oct, 2014

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 Leslie Williams are as mentioned below.

License NumberSpecializationStateStatus
Mental Health Counselor Primary

Mailing Address

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

Leslie Williams
2615 Edwards St,
Alton, IL - 62002-3915
Phone: 618-462-2331
Fax: 618-462-2504

Book an Appointment with Leslie Williams

To schedule an appointment, contact Leslie Williams at 2123 Holland St, Alton, Illinois or call on below stated phone number.

Call to Book an Appointment

Frequently Asked Questions

Below are some commonly asked questions about Leslie Williams:

Leslie Williams 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, Leslie Williams is currently accepting new patients. To schedule an appointment, contact the office directly and schedule an appointment.

Leslie Williams practices at 2123 Holland St, Alton, Illinois, 62002-3339.

To schedule an appointment with Leslie Williams, please contact the office at 618-465-5903.

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