Psychologist | Clinical Psychology | 13+ years experience

Dr. Mark Richardson, PSY.D

1301 E 12th St, Wilmington, Delaware, 19802-5315

About Dr. Mark Richardson

Dr. Mark Richardson is a psychologist based in Wilmington, Delaware with 13 years of experience in Clinical Psychology. He completed his graduation in 2013. He accepts the Medicare-approved amount. Patients will not be billed for any more than the Medicare deductible and coinsurance. Active license number of Dr. Mark Richardson is B1-0000989 for Clinical Psychology in Delaware. His current practice location is 1301 E 12th St, Wilmington. Patients can contact him at 302-429-7780. Dr. Mark Richardson, PSY.D, specializes in Clinical Psychology and his NPI number (Unique professional ID assigned by NPPES) is 1538529821.

Dr. Mark Richardson is a mental health professional with highly specialized training in the diagnosis and psychological treatment of mental, behavioral and emotional illnesses, including obsessive-compulsive disorder (OCD). His main focus is on diagnosing and treating mental, emotional, and behavioral disorders. Some of the common disorders that he can treat are learning disabilities, substance abuse, depression, anxiety, and eating disorders.

Practice Information

Dr. Mark Richardson'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 Richardson
Specialization Clinical Psychology
Credentials PSY.D
Accepts Medicare Assignment Yes
Experience 13+ years
Graduation Year 2013
Gender Male
Practice Address: 1301 E 12th St,
Wilmington, DE - 19802-5315

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.

PAC ID 0446648695
Enrollment ID I20211021000768
NPI Number1538529821
NPI Enumeration Date: 29 Feb, 2016
NPI Last Update On: 29 Feb, 2016

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 Richardson are as mentioned below.

License NumberSpecializationStateStatus
B1-0000989Clinical Psychology DelawarePrimary
PS017632Clinical Psychology PennsylvaniaSecondary

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 Richardson
1114 S Dupont Hwy, Suite 104
Dover, DE - 19901-4401

Book an Appointment with Dr. Mark Richardson

To schedule an appointment, contact Dr. Mark Richardson at 1301 E 12th St, Wilmington, Delaware or call the phone number listed below.

Book an Appointment

Frequently Asked Questions

Below are some commonly asked questions about Dr. Mark Richardson:

Dr. Mark Richardson is a psychologist specializing in Clinical Psychology. He is a mental health professional with highly specialized training in the diagnosis and psychological treatment of mental, behavioral and emotional illnesses, including obsessive-compulsive disorder (OCD). His main focus is on diagnosing and treating mental, emotional, and behavioral disorders. Some of the common disorders that he can treat are learning disabilities, substance abuse, depression, anxiety, and eating disorders.

Dr. Mark Richardson has approximately 13 years of experience in Clinical Psychology.

Yes, Dr. Mark Richardson accepts Medicare assignment, meaning the provider participates in Medicare and accepts Medicare-approved amounts for eligible services.

Yes, Dr. Mark Richardson 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 Richardson practices at 1301 E 12th St, Wilmington, Delaware, 19802-5315.

To schedule an appointment with Dr. Mark Richardson, please contact the office at 302-429-7780.

Reviews & Feedback

Have you visited Dr. Mark Richardson? Share your experience to help others looking for a psychologist in Wilmington, DE.

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