Comprehensive Psychological Assessments That Provide Clarity

Providing comprehensive psychological assessments for diagnostic clarification, ADHD, veterans disability evaluations, educational and workplace accommodations, and professional consultation.

Welcome to Sevyn West

Sevyn West Psychological Assessments Group was founded with a simple mission: to improve access to high-quality psychological assessment and provide individuals and organizations with the clarity needed to make informed decisions.

We specialize in comprehensive psychological evaluations that support diagnosis, educational and workplace accommodations, disability determinations, guardianship proceedings, and professional consultation. Every evaluation is grounded in evidence-based practice, clinical integrity, and a commitment to delivering timely, meaningful results

To expand access to comprehensive psychological assessment through objective, evidence-based evaluations that empower individuals and organizations to make informed decisions.

Our Mission:

Every evaluation is tailored to the referral question and conducted using established assessment methods, clinical expertise, and current best practices.

Our Approach:

To provide timely, comprehensive, and meaningful evaluations while fostering trusted partnerships with individuals, healthcare providers, educational institutions, employers, attorneys, and government organizations.

Our Commitment:

Our Services

Who we serve

Individuals & Families

Comprehensive evaluations for children, adolescents, and adults seeking diagnostic clarity, accommodations, or recommendations for treatment and support.

Employers & Organizations

Independent evaluations supporting workplace accommodations, disability determinations, fitness-for-duty questions, and organizational consultation.

Healthcare Providers

Psychological assessments that support diagnosis, treatment planning, and coordinated care for patients with complex clinical needs.

Attorneys and Legal Professionals

Objective psychological evaluations and consultation services to support legal, guardianship, and other case-specific referral needs.

Schools & Universities

Educational evaluations and documentation supporting IEPs, 504 Plans, academic accommodations, and standardized testing accommodations.

Government Agencies & Contract Partners

Psychological assessment services provided through partnerships with government agencies, healthcare organizations, and authorized contracting entities.

Whether you're seeking an individual evaluation or looking for a trusted assessment partner, Sevyn West is committed to delivering objective, evidence-based psychological assessments with professionalism, efficiency, and clinical excellence.

A graphic titled 'Our Process' displaying four steps: 1. Consultation with icon of two people talking, explaining needs and evaluation approach. 2. Assessment with checklist icon, describing evidence-based evaluation. 3. Report with document icon, outlining thorough report with findings and recommendations. 4. Feedback with icon of two people talking, reviewing results and next steps.

Behind Sevyn West

Samantha Diaz, PsyD

Founder | Licensed Clinical Psychologist

Sevyn West was founded with the belief that high-quality psychological assessment should be accessible, objective, and meaningful. Throughout my career, I have specialized in comprehensive psychological evaluations across clinical, educational, occupational, and disability settings, helping individuals and organizations make informed decisions through evidence-based assessment. My vision is to build a trusted assessment organization recognized for clinical excellence, integrity, and collaborative partnerships that expand access to psychological evaluation services.

Professional Highlights

✓ Licensed in NY & MA

✓ Assistant Professor of Psychiatry

✓ Extensive psychological assessment experience

✓ Independent disability evaluations

✓ Educational and accommodation assessments

✓ Organizational consultation

Our Team’s Areas of Expertise

🧠 Comprehensive Assessment

⚖️ Independent Evaluations

🏢 Organizational Consultation

🎓 Educational Assessments

🇺🇸 Government Contracting

🤝 Collaborative Partnerships

Contact our Team

Whether you're seeking a psychological evaluation, exploring consultation services, or inquiring about organizational partnerships, we're here to help.

Complete this inquiry form, and a member of our team will respond within 1–2 business days.