Psychologist

Dr. Mark Allen Williams, PH.D.

886 Johnnie Dodds Blvd, Suite 102, Mount Pleasant, South Carolina, 29464-3190

About Dr. Mark Allen Williams

Dr. Mark Allen Williams is a psychologist based in Mount Pleasant, South Carolina who is specialized in Psychology. Active license number of Dr. Mark Allen Williams is 994 for Psychology in South Carolina. His current practice location is 886 Johnnie Dodds Blvd, Suite 102, Mount Pleasant. Patients can contact him at 843-425-7142 or can fax him at 866-807-5863. Dr. Mark Allen Williams, PH.D., specializes in Psychology and his NPI number (Unique professional ID assigned by NPPES) is 1801839204.

Dr. Mark Allen Williams is specialized in psychological testing and evaluating or assessing patient's personal characteristics, such as intelligence, personality, abilities, interests, aptitudes, and neuropsychological functioning. Accordingly, he performs counseling, psychoanalysis, psychotherapy, hypnosis, biofeedback, and behavior analysis and therapy. He can diagnose and treat mental and emotional disorder or disability, alcoholism and substance abuse, disorders of habit or conduct, as well as of the psychological aspects of physical illness, accident, injury, or disability by psycheducational evaluation, therapy, remediation, and consultation.

Practice Information

Dr. Mark Allen Williams's specialty, credentials, practice address, contact phone number and fax are as below. Patients can call on the below given phone number for appointment.

Provider Name Dr. Mark Allen Williams
Specialization Psychology
Credentials PH.D.
Gender Male
Practice Address: 886 Johnnie Dodds Blvd, Suite 102
Mount Pleasant, SC - 29464-3190
Fax 866-807-5863

Professional Identification Codes

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

NPI Number1801839204
NPI Enumeration Date: 14 Jun, 2006
NPI Last Update On: 11 Sep, 2025

Medical Licenses:

Healthcare professionals can hold one or more medical licenses for different specialties in the same state or different states. Related medical licenses for Dr. Mark Allen Williams are as mentioned below.

License NumberSpecializationStateStatus
994Psychology South CarolinaPrimary
994Clinical Psychology South CarolinaSecondary

Mailing Address

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

Dr. Mark Allen Williams
886 Johnnie Dodds Blvd, Suite 102
Mount Pleasant, SC - 29464-3190
Phone: 843-425-7142
Fax: 866-807-5863

Book an Appointment with Dr. Mark Allen Williams

To schedule an appointment, contact Dr. Mark Allen Williams at 886 Johnnie Dodds Blvd, Suite 102, Mount Pleasant, South Carolina or call the phone number listed below.

Book an Appointment

Frequently Asked Questions

Below are some commonly asked questions about Dr. Mark Allen Williams:

Dr. Mark Allen Williams is a psychologist specializing in Psychology. He is specialized in psychological testing and evaluating or assessing patient's personal characteristics, such as intelligence, personality, abilities, interests, aptitudes, and neuropsychological functioning. Accordingly, he performs counseling, psychoanalysis, psychotherapy, hypnosis, biofeedback, and behavior analysis and therapy. He can diagnose and treat mental and emotional disorder or disability, alcoholism and substance abuse, disorders of habit or conduct, as well as of the psychological aspects of physical illness, accident, injury, or disability by psycheducational evaluation, therapy, remediation, and consultation.

Yes, Dr. Mark Allen Williams is currently accepting new patients. To schedule an appointment, contact the office directly and schedule an appointment.
*Availability may change. Please contact the office directly to ask about appointments.

Dr. Mark Allen Williams practices at 886 Johnnie Dodds Blvd, Suite 102, Mount Pleasant, South Carolina, 29464-3190.

To schedule an appointment with Dr. Mark Allen Williams, please contact the office at 843-425-7142.

Reviews & Feedback

Have you visited Dr. Mark Allen Williams? Share your experience to help others looking for a psychologist in Mount Pleasant, SC.

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