Mark Dewitt Lanyon is a psychologist based in Wilmington, Delaware who is specialized in Cognitive & Behavioral Psychology. His current practice location is 2814 W 2nd St, Wilmington. Patients can contact him at 302-472-0381 or can fax him at 302-472-0392. Mark Dewitt Lanyon, PHD, specializes in Cognitive & Behavioral Psychology and his NPI number (Unique professional ID assigned by NPPES) is 1417008137.
Mark Dewitt Lanyon has variety of professional responsibilities, including assessment (identifying, diagnosing, and conceptualizing problems experienced by individuals or groups), intervention (creating, implementing and evaluating interventions designed to induce positive change) and consultation. Cognitive Behavioral Psychologists also participates in research, education, training, and clinical practice including a range of issues and populations.
Practice Information
Mark Dewitt Lanyon'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 Mark Dewitt Lanyon
Specialization Cognitive & Behavioral Psychology
Credentials PHD
Gender Male
Practice Address: 2814 W 2nd St, Wilmington, DE - 19805-1807
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 Number1417008137
NPI Enumeration Date: 16 Jan, 2007
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 Mark Dewitt Lanyon are as mentioned below.
License NumberSpecializationStateStatus
Psychology
Primary
Cognitive & Behavioral Psychology
Secondary
Other Medical Identifiers
Other professional identifiers associated with Mark Dewitt Lanyon such as Medicaid, Medicare PIN, NSC, UPIN etc. are mentioned as below.
IdentifierTypeStateIssuer
1000024329MedicaidDelaware
PC002510OtherPennsylvaniaPROF COUNSELOR LICENSE#
Mailing Address
Business mailing address can be used for mailing purpose only, for visiting purpose patients need to refer above mentioned Practice address.
Mark Dewitt Lanyon 2814 W 2nd St, Wilmington, DE - 19805-1807 Phone: 302-472-0381 Fax: 302-472-0392
Book an Appointment with Mark Dewitt Lanyon
To schedule an appointment, contact Mark Dewitt Lanyon at 2814 W 2nd St, Wilmington, Delaware or call the phone number listed below.
Below are some commonly asked questions about Mark Dewitt Lanyon:
Mark Dewitt Lanyon 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, Mark Dewitt Lanyon 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.
Mark Dewitt Lanyon practices at 2814 W 2nd St, Wilmington, Delaware, 19805-1807.
To schedule an appointment with Mark Dewitt Lanyon, please contact the office at 302-472-0381.
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