Psychologist | General Psychology

Dr. William Mark Posey, PH.D.

33 Olde Springs Ct, Columbia, South Carolina, 29223-6024

About Dr. William Mark Posey

Dr. William Mark Posey is a psychologist based in Columbia, South Carolina who is specialized in General Psychology. Active license number of Dr. William Mark Posey is 594 for General Psychology in South Carolina. His current practice location is 33 Olde Springs Ct, Columbia. Patients can contact him at 803-935-5347. Dr. William Mark Posey, PH.D., specializes in General Psychology and his NPI number (Unique professional ID assigned by NPPES) is 1538335872.

Dr. William Mark Posey 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. William Mark Posey'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. William Mark Posey
Specialization General Psychology
Credentials PH.D.
Gender Male
Practice Address: 33 Olde Springs Ct,
Columbia, SC - 29223-6024

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 Number1538335872
NPI Enumeration Date: 06 May, 2008
NPI Last Update On: 06 May, 2008

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. William Mark Posey are as mentioned below.

License NumberSpecializationStateStatus
594General Psychology South CarolinaPrimary

Mailing Address

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

Dr. William Mark Posey
33 Olde Springs Ct,
Columbia, SC - 29223-6024
Phone: 803-935-5347

Book an Appointment with Dr. William Mark Posey

To schedule an appointment, contact Dr. William Mark Posey at 33 Olde Springs Ct, Columbia, South Carolina or call the phone number listed below.

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Frequently Asked Questions

Below are some commonly asked questions about Dr. William Mark Posey:

Dr. William Mark Posey is a psychologist specializing in General 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. William Mark Posey 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. William Mark Posey practices at 33 Olde Springs Ct, Columbia, South Carolina, 29223-6024.

To schedule an appointment with Dr. William Mark Posey, please contact the office at 803-935-5347.

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