Adult Outpatient Staff

 
 

Barbara K Andrieu

Licensed Therapist-Central Access; Williamsburg-Main Office

Education and Credentials

  • Licensed Professional Counselor (LPC)
  • Nationally Certified Counselor (NCC)
  • Master of Arts in Professional Counseling, Liberty University
  • Bachelor of Arts in Psychology, Loyola University
  • 20+ years of experience

Specialty/Area of Expertise

Ms. Andrieu is experienced in treating early developmental issues, child and adolescent mental health treatment, family issues, assessment, and identification of serious mental illness, severely emotionally disturbed (SED), and at-risk SED populations. She has experience in working with substance use populations, court-referred, and drug-diversion program referrals to include assessment and need for services for out-patient and detox, and/or in-patient settings.

Barbara Andrieu 2022  
 

Additional Information

Ms. Andrieu has worked with the following child and adult diagnoses: serious mental illness, substance use, intellectual disabilities, Autism spectrum disorder, comorbid disorders, individuals with combination of physical and developmental disabilities, including those with serious health conditions and traumatic brain injuries.

 
 
 

Kelsey Curtis

Licensed Therapist; York-Poquoson Office

Education and Credentials

  • Licensed Clinical Social Worker (LCSW)
  • Master of Social Work, Edinboro University
  • Bachelor of Social Work, Virginia Wesleyan College
  • 8+ years of experience

Specialty/Area of Expertise

Ms. Curtis has a mixture of experience working with young adults, families and adults providing mental health, substance use, and trauma therapy within inpatient, outpatient, and community settings. Her area of expertise includes substance use, parenting/co-parenting, anxiety, anger management, depression, co-occurring disorders, couples, trauma and PTSD and group therapy. Ms. Curtis' counseling style emphasizes cognitive behavioral therapy, mindfulness, solution focused therapy and existential psychotherapy.

Kelsey Curtis 2021  
 

Additional Information

Ms. Curtis is a Certified Clinical Trauma Professional and Certified Pre-admission Pre-screen Clinician. She currently facilitates one of the SA Standard groups at the York-Poquoson Office.

 
 
 

Diane Green

Licensed Therapist-IOP; Williamsburg-Main Office

Education and Credentials

  • Licensed Professional Counselor (LPC)
  • Licensed Substance Abuse Treatment Practitioner (LSATP)
  • Master of Science in Rehabilitation Counseling, Virginia Commonwealth University
  • Bachelor of Art in Biology, Beaver College
  • 17+ years of experience

Specialty/Area of Expertise

Ms. Green has worked primarily with individuals and families with substance use disorders, co-occurring mental health and substance use disorders, and individuals involved in the criminal justice system. She facilitates the intensive outpatient program at the Williamsburg Office.

Diane Green 2018 Blue  
 

Additional Information

Ms. Green has worked for Colonial Behavioral Health since 1998. She has extensive training in substance use research and experience providing individual, group, and family counseling in outpatient and correctional settings.

 
 
 

Philippa Matheson

Licensed Therapist; York-Poquoson Office

Education and Credentials

  • Licensed Professional Counselor (LPC)
  • Certified Substance Abuse Counselor (CSAC)
  • Master of Education in Counseling with a concentration in Community & Addictions, College of William & Mary
  • Bachelor of Arts in Psychology, Humboldt State University
  • 6+ years of experience

Specialty/Area of Expertise

Ms. Matheson has worked primarily with adults with substance use disorders, mental health disorders and co-occurring disorders. She has worked in the field of counseling since 2011. She currently facilitates the relapse prevention and co-occurring disorders groups at the York-Poquoson Office.

Philippa Matheson 2  
 

Additional Information

Ms. Matheson has worked for Colonial Behavioral Health in adult outpatient care since 2016, providing individual and group therapy. She previously worked in a residential substance use disorder program, and completed her internship in a psychiatric hospital.

 
 
 

Dr. Kristen A. McLean

Adult Outpatient Coordinator; Williamsburg-Main Office

Education and Credentials

  • Licensed Clinical Psychologist (LCP)
  • Doctor of Philosophy in Clinical Psychology, University of the Cumberlands
  • Master of Arts in Clinical Psychology, University of the Cumberlands
  • Master of Arts in Professional Counseling, Liberty University
  • Bachelor of Art in Psychology, City University of New York
  • 10+ years of experience

Specialty/Area of Expertise

Dr. McLean has experience with children and adolescents, adults, and geriatric patients and has provided individual, group, family, couple’s therapy, and psychological assessment. She has served in various treatment settings including trauma-1 medical centers, a correctional setting, community mental, and school settings. Dr. McLean’s specialty is Primary Care Integration and expertise includes Affective Disorders, Anxiety disorders, Severe Mental Illness, and Chronic PTSD. She uses a variety of treatment modalities to specifically assess and treat clients with comprehensive care as her overall focus.

Kristen Mclean 2022  
 

Additional Information

Dr. McLean is a member of the American Psychological Association-Society for Health Psychology (Division 38) and the Society of Pediatric Psychology (Division 54).

 
 
 

Antoinette Payne (Diamante)

Licensed Therapist-Central Access; Williamsburg-Main Office

Education and Credentials

  • Licensed Clinical Social Worker (LCSW)
  • Master of Arts in Clinical Social Work, Norfolk State University
  • Bachelor of Art in Human Services, Old Dominion University
  • 3+ years of experience

Specialty/Area of Expertise

Ms. Diamante's area of expertise includes the treatment of anxiety, depression and co-occurring disorders. She takes a client-focused, strength-based approach to all care provided.

Antoinette Diamante 2021  
 

Additional Information

Ms. Diamante has worked in a variety of settings including inpatient hospitals, domestic violence and family and child advocacy, school-based intervention services and outpatient counseling settings.

 
 
 

Janice Stewart

Licensed Therapist-Central Access; York-Poquoson Office

Education and Credentials

  • Licensed Professional Counselor (LPC)
  • Master of Science in Counseling Psychology, University of Southern Mississippi
  • Bachelor of Science in Psychology, William Carey University
  • 18+ years of experience

Specialty/Area of Expertise

Ms. Stewart is experienced in treating depression and anxiety disorders, bipolar disorder, thought disorders, personality disorders, and trauma and stress-related disorders. Her specialties include working with clients who are seeking assistance with LGBTQ-related issues and with those seeking therapy related to past sexual abuse.

Janice Stewart 2018 Blue  
 

Additional Information

Ms. Stewart has experience working in a variety of settings, including outpatient therapy, inpatient treatment, and public health. Her counseling style and ideology emphasize cognitive behavioral therapy and existential psychotherapy.

 
 
 

Hillary Zaneveld

Licensed Therapist-Lead Clinician; York-Poquoson Office

Education and Credentials

  • Licensed Professional Counselor (LPC)
  • Certified Substance Abuse Counselor (CSAC)
  • National Certified Counselor (NCC)
  • Education Specialist Degree in Community Agency Counseling, Old Dominion University
  • Master of Science in Education, Counseling, Old Dominion University
  • Bachelor of Science in Psychology, Old Dominion University
  • Certified Yoga Instructor, RYT200

Specialty/Area of Expertise

Ms. Zaneveld primarily works with adults in the outpatient counseling setting, providing individual and group therapy. Her style of services is based on the cognitive behavioral perspective as well as utilizing an infusion of different theoretical practices that will complement the individual's treatment goals. Additionally, she utilizes mindfulness, meditation and yoga practices to facilitate an individual’s road to recovery.

Hillary Zaneveld 2018 Blue  
 

Additional Information

Ms. Zaneveld has worked in the field of mental health and substance use at the inpatient and outpatient levels since 1999. She has previous experience working as a Crisis Intervention Trainer for the City of Chesapeake and gained military experience through eight years of service in the U.S. Army Reserves Medical Service Corps. Ms. Zaneveld facilitates the intensive outpatient program at the York-Poquoson Office.

 
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