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Our Team

Dr. Peggy V. Steinbrunner, PsyD

Dr. Steinbrunner is the owner of HBH and a licensed psychologist in Pennsylvania, West Virginia, & Florida, with an office location in Everett, Pennsylvania.  She is an Active Duty Army Veteran and currently serves in the PA Army National Guard with specialized training and experience in treating Service Members and their families.  She is trained in a variety of evidence based protocols and therapies including those for trauma, depression, anxiety, substance use disorder, and sleep.  

Dr. Steinbrunner completed her pre- and postdoctoral clinical training at Eisenhower Army Medical Center. She became a licensed psychologist in 2013 and has presented research projects at national conferences and co-authored peer-reviewed journal articles.

"Dr. Peggy Steinbrunner is an exceptional psychologist and clinician. Having known her for over 10 years, she embodies empathy and compassion for each client she works with. She will work tirelessly to assist each client to make positive changes and growth. Additionally, her ability to use psychological assessments to help with diagnostic clarification further benefits her clients to create treatment plans tailored to their specific needs. She will also work with your other providers, as needed, to collaborate on best practices for your care. I highly recommend her services and Horizon Behavioral Health, PLLC!!"

- Dr. Brandy Gardner

Heather Sjolund, MSW, BSL

Heather is an outpatient therapist, providing evening and weekend therapy appointments at HBH. She has worked with children, adolescents, families, and adults for 10 years. She recently received specialized training in death and dying services during her time working in Hospice care. She has a Behavioral Specialist License to work with patients with Autism Spectrum Disorder. She has experience and training with hands-on therapy, CBT, Motivational Interviewing, and therapeutic activities with children. Her personal hobbies include running, swimming, traveling, hiking, fall festivals, decorating for holidays, and helping others. She is originally from Connecticut but has lived in PA for 14 years. She also has a Masters in Social Work.

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Kristie Sellers, MS, LPC

Kristie is a licensed professional counselor, currently working full time in the outpatient office in Pennsylvania and via telehealth with patients in West Virginia. She is trained in Motivational Interviewing, EMDR, PCIT, and Eco Systemic Family Therapy. Kristie received her Master of Science degree in Professional Counseling from Grand Canyon University, and certification as a Family Based Professional from the Philadelphia Child and Family Guidance Center.


Kristie has experience working with children of all ages, adolescents, adults and families. She has worked the past eighteen years at a local agency providing therapy, crisis interventions, and case management to those who live in the surrounding communities. Kristie choses the therapy that works best for the client. She uses a strengths based approach and recognizes that the therapist and the client are team in treatment and will work together to achieve the goals the client has identified.

 

In the past Kristie has participated in local grief counseling group for those who have lost loved ones, and currently volunteers working with children in her church and community.

Toby Long, LCPC, NCC

Toby has been working in the mental health field for the past 20 years and has been licensed as a Professional Counselor since 2012. Throughout this time she has worked with school age children and adolescents, Veterans, individuals with substance use disorder, individuals with various disabilities, as well as those in inpatient hospital and prison settings. She enjoys working with individuals, families, and groups.

Toby earned a bachelor's degree in psychology from Clemson University and master's degrees in clinical counseling and forensic psychology from Marymount University.  She works primarily within a cognitive behavioral therapy model and has had specialized training in Trauma Focused-CBT, Motivational Interviewing, and ACT theoretical approaches.

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Donald Dissinger, CRNP

Don Dissinger is a certified registered nurse practitioner (CRNP) certified in family health and psychiatric mental health and experienced in primary care, substance use disorder treatment (SUD), and psychiatry. He is licensed in Pennsylvania and West Virginia. He is an Active Duty US Coast Guard Veteran and currently serves in the US Army Reserve Medical Command with specialized training and experience in treating Service Members and their families.  

 

Don completed his graduate level clinical training at Widener University (FNP) and Wilkes University (PMHNP) and has been a licensed CRNP since 2014. He holds a faculty appointment as an Instructor in the Department of Psychiatry and Behavioral Health at Penn State University and has presented at nursing conferences and co-authored articles on treatment of SUD. He trains medical students, nursing students, PA students, medical residents, and psychology interns in the assessment, diagnosis, and treatment of SUD.  

Thanh Nguyen, MD, Board Certified- Neurology and Psychiatry

Dr. Nguyen, a Minnesotan native who is a board-certified general psychiatrist, found himself in the hustle and bustle of the Washington DC, Maryland, and Virginia area for his residency in psychiatry. He is steeped in military culture from his experience as a Marine before medical school and is no stranger to the stressors military Service Members and families endure while serving their country. 
 
Aside from the usual treatment with medication, Dr. Nguyen has a conservative approach that leans towards specific therapy modalities such as trauma-informed care (Cognitive Processing Therapy, Written Exposure Therapy, Prolonged Exposure, Accelerated Resolution Therapy, trauma-related cognitive behavioral therapy (CBT), logotherapy, CBT for insomnia (CBTi), and experience in the realm of family systems/couples therapy. He hopes to continue distributing his wealth of knowledge to reduce the suffering of others, one session at a time. 

Audrey Gibb, MSW, LSW

Audrey is a licensed social worker based in West Virginia. She currently provides telehealth therapy services through Horizon Behavioral Health, as well as, case management services at the Monongalia County Day Report Center. She has experience working in inpatient treatment settings and within the criminal justice system. Her primary focus has been working with individuals with substance use disorders and she uses a nonjudgmental, trauma-informed approach to assist clients in whatever struggles they wish to address. In her spare time, Audrey enjoys outdoor activities, creating subpar art, and hanging with her furry companions. 

Mary Blankenship, BS, Supervised Counselor

Mary is a supervised outpatient counselor at the Everett, PA location. She is currently obtaining her Master's degree in clinical mental health counseling from Walden University. Mary obtained her Bachelor of Science from Everglades University in Alternative Medicine, and she is a US Army Veteran. Mary uses evidenced based approaches for her care. She has training and experience in using ACT, CBT, mindfulness, Motivational Interviewing, and CPT. Mary loves empowering people so they can live their most productive lives. She is looking forward to obtaining her licensure while she continues to grow at HBH, and enjoys being of service to the community.

 

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Alana Shafer, MSW, LCSW

Alana is a Licensed Clinical Social Worker providing telehealth services at HBH.  She has experience with adults and the elderly with substance misuse concerns, depression, anxiety, and chronic mental health diagnoses.  Alana has worked in the mental health field and social services for 40+ years.  She is currently living in Delaware and looking forward to returning to Pennsylvania where she lived most of her life.  Alana enjoys walking, reading, cooking, watching mystery and horror films, working with stained glass, and spending time with friends.

Tina Jesk, Patient Services Coordinator

Tina Jesk is the Patient Services Coordinator and “the voice” at HBH.  She has spent many years working in customer service and thoroughly loves working with, interacting with, and helping people meet their needs.  She believes in doing simple acts of kindness like holding a door for someone, saying “hi" to new people, or just smiling.  

She has been with HBH since March 2021 and has been integral in the expansion of our telehealth program in WV.  She assists patients and staff with telehealth appointments to ensure a seamless experience.  

She is from the Everett area and loves hanging out with her family, friends, and church family.   

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Shirley Stuckey, Fiscal/Operations Director

Shirley has been with HBH since 2020 and full time since August 2021. As fiscal and operations director she works primarily with the financial operations of the clinic including payroll, accounts payable/receivable, grant reimbursement reporting as well as general office management.

 

She has a background in small business ownership and administration, and personnel management.  Most recently, she owned and ran a daycare during the years before her grandchildren went to elementary school.

 

While at HBH Shirley hopes to learn and develop a deeper understanding of the issues and concerns that mental illness and addiction bring to people by supporting and learning about the care rendered by HBH providers. She engages in personal and professional training and community programs to increase her knowledge base. 

Stephanie Tweed, Recovery/Life/Health Coach

Stephanie Tweed completed the GRaCE Life/Recovery Coach Certification in July and came to work full time at HBH in September 2023. She is also an AADP Certified Holistic Health Practitioner and received a Health Coach Certification through the Institute for Integrative Nutrition in 2010.

Stephanie graduated from Everett Christian Academy and recently moved back to the area to be closer to family. She has lived & worked in five national parks and uses mindfulness meditation, breath work, emotional freedom technique, nutrition and nature in her practice as a Health Coach. As a Life/Recovery Coach at HBH, she helps patients set SMART goals based on their values and works with them to create an action plan to achieve them.  
 

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