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Meet The Team

Core Recovery is a Behavioral Health Outpatient Facility that is licensed by the Arizona Department of Health Services to provide intensive outpatient programming (IOP) and partial hospitalization programming (PHP). Core Recovery's licensed clinicians and behavioral health staff work collaboratively to ensure that each patient receives the personalized care that they deserve.

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Fulfilling a critical need with unparalleled recovery care and unmatched mental health expertise.

As mental health and recovery specialists, we understand how critical it is to get the help you need for a mental health or addiction. No matter what you’re faced with, we have one goal in mind—we are here to help you feel your best again.  

Our integrated care model brings together a team of Psychiatric Nurse Practitioners, Counselors, Case Managers, and Behavioral Health Technicians to create a personalized and comprehensive treatment plan for each patient at our Phoenix, Arizona-based mental health facility.

If you need comprehensive mental health and addiction treatment to reach long-term sobriety, look no further than the team at Core Recovery. We are here to help you feel your best every step of the way—starting today.

Our Compassionate Leadership Team

Since 2013, Core Recovery has worked to fulfill the need for a comprehensive and patient-focused behavioral health treatment center in the Greater Phoenix Area. Led by Founder and Chairwoman Jillian Vanselow, Clinical Director Natalie Davis, and the executive leaders, the Core Recovery team takes a whole-person, integrated approach to treating mental health and addiction issues.

Jillian Vanselow

Jillian Vanselow

Founder & Chairwoman, EdD (ABD), MS
Natalie Davis

Natilie Davis

Clinical Director
Portrait of a beautiful african american businesswoman Portrait of a beautiful african american businesswoman

Cherry Irving

Practice Manager

Our Experienced & Caring Clinical Team

Our facility is licensed by the Arizona Department of Health Services as a Behavioral Health Outpatient Facility.

We have LegitScript certification, and we are an EMDR Institute-approved facility.

Glen Kriegsman

Glen Kriegsman

Clinician
Amy Perry

Amy Perry

Clinician
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Rena Sabey

Clinician
Kristina Sheppard

Kristina Sheppard

Clinician
Ginger-Dutcher

Ginger Dutcher

Behavioral Health Technician
Danielle-Roth

Danielle Roth

Psychiatric Nurse Practitioner
Marilizabeth Birk

Marilizabeth Birk

Psychiatric Nurse Practitioner
Barbara-Ann

Barbara-Ann Heerkens

Registered Dietitian
Matthew Oberg

Matthew Oberg

Group Facilitator, Case Manager & Patient Advocate
Izaebel Puerta

Izaebel Puerta

Patient Care Coordinator
Monique Torres

Monique Torres

Patient Care Coordinator
Jessica Willett

Jessica Willett

Medical Assistant
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Your Leading Behavioral Health Facility in AZ

Contact Us

Have questions? Want to schedule an appointment? Submit this form and a team member will contact you promptly.

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Get In Touch

(602) 810-1210
admin@corerecoveryaz.com
Phoenix Location

34225 N. 27th Drive, Suite #146, Building 5, Phoenix, AZ, 85085
Surprise Location

12691 W. Smokey Drive, Suite 127, Surprise, AZ 85378

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Jillian Vanselow is known in her community as a loving leader. Her strong vision for building a healing environment that meets the needs of the whole individual continues to evolve in her journey as an addiction counselor. Graduating with honors, she received her Master’s in Addiction Counseling at Grand Canyon University. During this time she received addiction counseling experience in the public sector as a licensed substance abuse technician for a busy non-profit agency. Jillian specializes in biopsychosocial substance abuse assessments, treatment planning and development, psychoeducation, CBT, motivational interviewing, co-occurring disorders, and identifying cultural needs of special populations. She has provided care for the following populations: LGBT, DUI offenders, child custody, diversion program, possession of marijuana, domestic violence, sex offenders, federal, bureau of prisons, and private patients.

As an outreach community leader, she has coordinated events that helped organizations such as Habitat for Humanity, Ujima House, Neighborhood Ministries, Bible study, Stand up for Kids, Andre House, Christmas Angles, and Family Outreach. Her years in outreach leadership have guided her in developing strong relationships within the community. She utilizes these relationships to develop connections that will provide the support and encouragement her patients need in their life long journey of recovery.

Jillian is an entrepreneur as well as philanthropist. Her love for helping others to live a life in balance is a life long journey. She is passionate about her patients as well as her family, friends, and community. Jillian continues to demonstrate her efforts to increase the well-being of humankind. Her energy is contagious and her loving spirit is motivational. She is committed to providing the best addiction care by integrating therapeutic strategies that address the specific needs of each individual

“I have a passionate life commitment and open heart for practicing addiction assessment, treatment, and recovery. My years of experience in facilitating individual, group, and family addiction treatment programs have given me insight into the core issues regarding addiction. It is my mission to understand my patient’s strengths, barriers, and issues in order to create a quality treatment approach that meets their specific needs. I offer a safe, confidential, and compassionate environment for therapeutic processing and healing. In addition to individualized treatment I feel very strongly about creating connections outside of treatment that will work to support and encourage a life of living in balance. Recovery is possible…I am here to help!”

Peace, Love, Hope.

License Type: LASAC

License Number: LASAC-13339

Natalie Davis LCSW is a licensed Clinical Social Worker. She completed her graduate degree in the field of social services at Arizona State University Phoenix, Arizona in 2011. Natalie also completed her bachelor’s degree in psychology at Arizona State University the Glendale Arizona campus in 2008. As a member of the mental health community, she had the pleasure of acting as a Chief Clinical Officer, Clinical Director, Program Director and a field instructor for students pursuing degrees in the field of mental health at Grand Canyon University, Walden University and Northern Arizona University.

Natalie’s passion includes leading teams that provide patient centered care, supporting individual clinicians as they pursue their career goals to include the pursuit of independent licensure. Natalie has developed clinical based treatment programs to meet the needs of those impacted by trauma, life transitions, anxiety, and depression as well as populations with co-occurring mental health concerns such as depression and substance abuse.

Natalie has worked in a variety of treatment settings including outpatient, intensive outpatient, and inpatient. Natalie is skillful in helping people achieve an improved quality of life through the use of therapeutic modalities including such as Cognitive Behavioral Therapy (CBT), Trauma Focused Cognitive Behavioral Therapy (TF-CBT), Dialectical Behavioral Therapy (DBT), Internal Family Systems (IFS) and Emotion Focused Therapy (EFT). Natalie supports the delivery of services in a manner which is gender inclusive. She believes in developing a strong therapeutic alliance with clients, other care providers, family members. She is a supporter of a collaborative approach to health and well-being.

Natalie is native born to Arizona. In her spare time, she enjoys hiking with her dog, listening to an eclectic array of music, and taking day trips throughout the State of Arizona.

Cherry has over a decade of experience in the social services sector, marked by a deep commitment to supporting diverse populations, including individuals struggling with mental health challenges, substance abuse, eating disorders. Cherry’s experience includes working in residential facilities, outpatient settings, and in organizations dedicated to assisting homeless youth. Cherry is also a veteran of the United States Military Intelligence Corps.

As Practice Manager, Cherry is dedicated to ensuring that Core Recovery remains a safe, welcoming, and inclusive space for all individuals seeking support for their mental health, addiction, and eating disorders. Her background, work experience, and deep empathy and passion for helping others allows her to cultivate an environment where both staff and clients feel valued and supported.

Cherry holds a Bachelor of Science in Psychology and a Master of Public Administration. When she is not serving Core Recovery’s patients and staff, Cherry enjoys hiking, reading, and spending time with her family and friends.

Glen completed his Master of Science degree in Addiction Studies at Capella University. Glen completed his clinical practicums and education in Las Vegas, NV with a strong focus on treating dual diagnosis patients. Glen excels at facilitating individual, group, and family counseling sessions utilizing motivational interviewing intervention methods, cognitive behavioral therapy, and family systems theory. Prior to Core Recovery, Glen has worked as a program therapist at a leading psychiatric hospital in Arizona treating patients who suffer from co-occurring disorders. Glen is in the process of obtaining his LASAC licensure. Glen’s passion is to treat each patient and family ethically and firmly believes that group cohesiveness is imperative to the success of mental health and/or addiction recovery. In his free time, he likes to read true crime or listen to Audible, watch movies, engage in the performing arts, volunteer in the community, and ride his bike.

Amy’s background is in community behavioral health. Amy went to UOP for her Associate and bachelor’s degree and then got her Major in Clinical Mental Health at Walden University. Amy moved from KY to AZ in 2016 in hope of fulfilling her dream of helping people change their lives. Amy will be doing individual counseling and running groups at Core Recovery. Her passion is helping her patients to understand and overcome the issues they struggle with so they can change their lives. In her free time, she likes to garden, work on scrapbooking, cook, hike, fish and spend time with her family.

Rena Sabey is a licensed therapist with over 15 years of hands-on experience performing individual and family therapy. Most recently, Rena worked at a residential eating disorder treatment center, where she worked with individuals struggling with a range of eating disorders. Rena also has extensive experience helping individuals with anxiety, depression, and trauma.

Rena treatment approach focuses on working with clients to understand the root causes of a client’s or family’s challenges. Through active and non-judgmental listening and communication, Rena works together with clients and their families to accomplish clients’ goals.

Rena is excited to work with Core Recovery patients struggling with eating disorders, mental health, and substance use, to help them achieve hope, healing, and health.

Kristina has a bachelor’s degree in psychology from the University of Phoenix and a master’s degree in social work from Walden University. She has over 15 years of experience working in human services and is a member of the National Association of Social Work. Kristina is committed to supporting patients achieve their goal of recovery and healing. She believes in building strong relationships and creating a safe, non- judgmental space for patients to work on problematic thoughts, feelings, and behaviors. In her free time, she enjoys spending time with family and friends and enjoying the Arizona outdoors.

Ginger is a veteran behavioral health provider with over two decades of experience serving the greater Phoenix area. Ginger experience includes working in Southwest Behavioral Health’s Crisis Recovery Unit, where she worked with patients with serious mental illness (SMI), Pratt’s Behavioral Health, where she also worked with SMI populations, Maricopa County Correctional Health, where she worked with psychiatric and psychological providers as part of integrated treatment teams, and Valleywise Behavioral Health, where she facilitated groups and worked collaboratively with medical staff.

Ginger is passionate about working with Core Recovery’s patients as a group facilitator, advocate, and partner in their treatment journeys. Ginger received her degree in social work, psychology, and behavioral sciences from Arizona State University.

With a career spanning 25 years in healthcare, Danielle Roth brings a wealth of experience and a compassionate approach to her role as a Psychiatric Nurse Practitioner at Core Recovery. Having spent two decades serving in various roles at the Mayo Clinic, including bedside care, charge nursing, supervision, and education, Danielle is guided by an unwavering commitment to clinical excellence and a deep understanding of patient care.

Among Danielle’s many passions is suicide prevention, and guiding patients toward a path of peace and healing. Danielle’s deep background and empathy equip her to provide holistic care, addressing both the physical and mental aspects of well-being. As a Psychiatric Nurse Practitioner at Core Recovery, Danielle is committed to empowering individuals on their journey to mental and emotional wellness. Her blend of experience, education, and compassion makes her an invaluable asset to the Core Recovery team.

Danielle earned her Bachelor of Science in Nursing from Creighton University, her Master’s degree with an emphasis on education from the University of Phoenix, and her Doctor of Nursing Practice degree from the University of Arizona. When she is not serving patients, Danielle finds joy in traveling, sports (particularly college basketball), and spending quality time with her family. An avid swimmer, Danielle loves the water and ocean.

Marilizabeth Birk is a board-certified Psychiatric Mental Health Nurse Practitioner (PMHNP-BC) with a background in psychiatric nursing and intensive outpatient therapy. She incorporates mindfulness and self-reflection with medication therapy and has experience treating depressive disorders, anxiety disorders, eating disorders, and psychotic disorders in children, adolescents, and adults.

Marilizabeth completed her Bachelor’s degree at the University of Washington and her Psychiatric Mental Health Nurse Practitioner program at South College in Tennessee. She has worked with clients from coast to coast with cultural competence. Marilizabeth has a background in cognitive behavioral therapy (CBT), dialectical behavioral therapy (DBT), and client-centered care, alongside medication therapy.

We all go through challenges in life. Marilizabeth is here to work with you on your journey and assist you in gaining beneficial skills and perspectives to cope during times of struggle. If you are ready, please schedule an appointment with her today.

Barbara-Ann is a Registered Dietitian who is passionate about working with patients in Core Recovery’s eating disorder IOP/PHP programs and also integrating diet and nutrition counseling into Core Recovery’s mental health and substance use programs. Barbara-Ann has experience working with adults and adolescents. Most recently, she worked in the public school system in high-need areas. During the summer, she served as the Director of Specialized Curriculum for Wolf Ridge Environmental Learning Center, where she led backpacking trips to support science and emotional learning.

When Barbara-Ann noticed the lack of preventative health and mental health support available to her students, she decided to obtain her Master of Public Health, and to become a Registered Dietitian Nutritionist while continuing to teach. While pursuing her Master’s Degree, she focused on Motivational Interviewing, a behavioral change therapy technique.

Since then, Barbara-Ann has worked for school systems promoting health and nutrition among at-risk populations throughout the state of Arizona. She also worked for Northern Arizona Healthcare as a clinical RDN, focusing on the behavioral health and pediatric floors, where she supported those with eating disorders and disordered eating patterns.

Barbara-Ann was born and raised in Flagstaff, Arizona. She graduated with her B.Ed. in Science Education and her B.S. in Biology in 2018. She has a passion for teaching and nature. In her free time, Barbara-Ann enjoys being outdoors, with her dogs and gardening.

Matthew Oberg is a seasoned veteran in mental and behavioral health services in the greater Phoenix area, with experience serving in intensive outpatient programs as Program Director, Behavioral Health Technician, and Case Manager. 

Matthew is originally from Oakdale, Minnesota. He moved to Arizona in 2006, where he originally worked in the automotive industry before entering the field of mental and behavioral health services. 

Matt has experience working as a manager at an inpatient recovery centers, where he used his experiences to assist others battling behavioral health and substance use issues. Matt has also worked as Program Director of a Native American Intensive Outpatient Program (IOP). In that role, Matt facilitated daily IOP groups, provided trauma-informed care, and guided clients in discovering their passions and purpose in life. 

Matt’s aim is to empower Core Recovery’s clients and patients to lead transformed and fulfilling lives.

Izabel Puerta is currently a student at Arizona State University. She is studying to receive her bachelor’s degree in psychology, after which she intends to pursue her PhD in Clinical Psychology to become a Neuropsychologist. At Core Recovery, Izabel is an integral part of the support system for Core’s patients, and continues to learn from working with Core Recovery’s clinicians and patients. In her free time, Izabel loves spending time with her family, friends, dogs, and cat. She is an Arizona native and is passionate about serving those in her community. She is excited to continue her growth as a mental health professional.

Monique is a Patient Care Coordinator at Core Recovery. She is passionate about assisting Core Recovery’s patients and their families. When she is not at Core, Monique is dedicated to continuing her education. Monique is a student at Rio Salado College and will be transferring to Temple University to complete her bachelor’s in communications. In her free time, she loves to play video games and spend time with her cats, Squidward and Dinky.

Jessica is an experienced Medical Assistant with over 7 years of work experience in medical and cardiology practices in the greater Phoenix area. Jessica holds certifications in phlebotomy and EMT. Prior to working as a Medical Assistant, Jessica worked as a first responder. Jessica is passionate about working with Core Recovery’s patients and medical staff to ensure that each and every patient receives personalized attention and extraordinary treatment.

Jessica is an Arizona native. When she is not working with Core Recovery’s patients, she enjoys being a mom to her mini Australian Shepherd.

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