Psychologist | School Psychology

Gisselle Tretina

31 Hosier St, Selbyville, Delaware, 19975-9300

About Gisselle Tretina

Gisselle Tretina is a psychologist based in Selbyville, Delaware who is specialized in School Psychology. Her current practice location is 31 Hosier St, Selbyville. Patients can contact her at 302-732-3808. Gisselle Tretina NPI number (Unique professional ID assigned by NPPES) is 1801706221.

Gisselle Tretina applies her expertise in mental health, learning, and behavior, to help children and youth succeed academically, socially, behaviorally, and emotionally.
School psychologists are uniquely qualified members of school teams that support students' ability to learn and teachers' ability to teach. They partner with families, teachers, school administrators, and other professionals to create safe, healthy, and supportive learning environments that strengthen connections between home, school, and the community.

Practice Information

Gisselle Tretina'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 Gisselle Tretina
Specialization School Psychology
Gender Female
Practice Address: 31 Hosier St,
Selbyville, DE - 19975-9300

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 Number1801706221
NPI Enumeration Date: 09 Sep, 2026
NPI Last Update On: 09 Sep, 2026

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 Gisselle Tretina are as mentioned below.

License NumberSpecializationStateStatus
School Psychology DelawarePrimary

Mailing Address

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

Gisselle Tretina
31 Hosier St,
Selbyville, DE - 19975-9300
Phone: 302-732-3808

Book an Appointment with Gisselle Tretina

To schedule an appointment, contact Gisselle Tretina at 31 Hosier St, Selbyville, Delaware or call the phone number listed below.

Book an Appointment

Frequently Asked Questions

Below are some commonly asked questions about Gisselle Tretina:

Gisselle Tretina is a psychologist specializing in School Psychology. She applies her expertise in mental health, learning, and behavior, to help children and youth succeed academically, socially, behaviorally, and emotionally.
School psychologists are uniquely qualified members of school teams that support students' ability to learn and teachers' ability to teach. They partner with families, teachers, school administrators, and other professionals to create safe, healthy, and supportive learning environments that strengthen connections between home, school, and the community.

Yes, Gisselle Tretina 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.

Gisselle Tretina practices at 31 Hosier St, Selbyville, Delaware, 19975-9300.

To schedule an appointment with Gisselle Tretina, please contact the office at 302-732-3808.

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