Our team of knowledgeable providers are prepared

to work with you to achieve your mental health goals! 

Dr. Lauro Amezcua-Patino, MD, FAPA


Child, Adolescent, & Adult Psychiatry

Lauren M. Kiraly, MMS, PA-C


Child, Adolescent, Adult, & Geriatric Psychiatry

Dr. Chitra Mathew, DNP, PMHNP-BC


Child, Adolescent, & Adult Psychiatry

Dr. Barbara Schulte, DNP, PMHNP-BC


Child, Adolescent, & Adult Psychiatry

Carolyn Boles, LPC


Adult Counseling & Coaching

Ruth Flucker, MS, PMHNP-BC, CNE 



Matthew Burton, PA


Alex Wamble, PA


Stella Waweru, PMHNP-BC


Dedra Serafin, RN, LPC


Dr. Lauro Amezcua-Patino

is a board certified Psychiatrist who is the Medical Director and President of Metro NBI. Dr. Amezcua-Patino is currently the Medical Director of Oasis Behavioral Health Hospital in Chandler, AZ, and he has over 25 years of clinical and administrative experience in Arizona. Dr. Amezcua-Patino has been involved with various community health organizations both as a consultant and director. He has also served on various professional organizations and is currently a Fellow of the American Psychiatric Association. He was also awarded the Sierra Tucson Gratitude Recognition Award (Lifetime Achievement Award) in 2012 for his dedication and service to the mental health community of Arizona.

Lauren Kiraly

graduated with a Bachelor’s of Science in Biochemistry from Arizona State University in 2008 followed by a Masters of Medical Science Degree from Midwestern University in 2011. Ms. Kiraly is supervised by Dr. Amezcua-Patino. She has extensive knowledge and training about psychiatry and is especially interested in neuropsychology and neuropsychiatric testing. Ms. Kiraly continues to expand her knowledge of psychiatry by regularly attending training sessions and educational forums on psychopharmacology and psychiatric medication updates.

Dr. Chitra Mathew

earned her doctor of nursing practice (DNP) degree from Arizona State University in 2014. She also has a PhD in Psychology which she earned from the University of Rajasthan. She is a certified Yoga instructor. Dr. Mathew has a passion and expertise for mindfulness therapy and techniques. This allows her to provide an added benefit to her patients’ treatments. Her personal philosophy comprises mind-body-spirit care. She is a member of the American Psychiatric Nurses Association.

Dr. Barbara Schulte

received her Doctorate of Nursing Practice from Arizona State University in 2016. She is a member of the American Association of Nurse Practitioners, the American Psychiatric Nurses Association, and is a Peer DNP Mentor & Guest Lecturer. Enthusiastic, compassionate, and bilingual, Dr. Schulte has over seven years of psychiatric nursing experience and over 13 years of psychiatric work experience and a doctorate-level education for accurate assessment, evaluation, diagnosing, and implementation of treatment planning focusing on providing patient-centered care.

Carolyn Boles

joined our team as of Fall 2015. She has a Master’s Degree in Counseling from Northwestern University in Illinois and a Bachelor’s Degree in Psychology from Colgate University in Hamilton, NY. She has spent over 20 years treating patients in the Sun Lakes, AZ area working with patients in the internal medicine field as a therapist. Her philosophy involves working with both the mind and body in a coordinated effort for ideal understanding and treatment. Carolyn’s therapeutic philosophy involves the belief that most people are influenced by rewards and avoidance of punishment. Most behavior is initiated for some type of positive reinforcement, although it is not always apparent what it is. If you can understand what the reward that you are getting is, then you can learn what your motivation is and even how to change your behavior. Though at first glance these rewards are sometimes elusive, through therapy we can discover together just what these are for you. 

Ruth Flucker

is a certified psychiatric nurse practitioner, specializing in adults with mental illness. She has been a psychiatric nurse practitioner since 2011. Prior to this she obtained her certification as a Certified Nurse Educator in 2010 and worked as a Clinical Assistant Professor from 2010-2012 at Arizona State University’s College of Nursing. She presently continues to work as a Faculty Associate at the College of Nursing educating Doctor of Nursing Practice (DNP) Nurse Practitioner students. She previously was the sole Psychiatric provider for all ASU Campus Health locations, where she was efficiently managing and referring patients with psychiatric needs. Ruth’s passion is to accurately diagnose, treat, manage, and refer patients with chronic mental health needs. She has been in the medical field for over 30 years and is originally from Scotland. Her company Peaceful Minds is dedicated to providing patient-centered care for adults with mental health necessities. Peaceful Minds is managed by MetroNBI.

Matthew Burton, PA

is a decorated Combat Medic who served in the United States Army for 8 years, including a deployment to Afghanistan. He obtained his Bachelor's of Science in Psychology with a minor in Biology from Arizona State University in 2017. He completed his Masters in Science in Physician Assistant Studies from A.T. Still University in 2020. Mr. Burton is passionate about a whole person approach to mental healthcare, addressing the body, mind and spirit. To maintain his own mental health, he enjoys triathlons, marathons and trail running. He also loves growing vegetables in his urban garden and spending time with his wife and two children.

Alex Wamble, PA

is a certified Physician Assistant who completed her Master's degree in Physician Assistant studies at A.T. Still University and her Bachelor's degree in Nutrition at Arizona State University. Given that she is educated in the whole person approach to healthcare, she understands that mental health and physical health are intimately connected. Alex chose to specialize in psychiatry as she believes it is a field in which she has the ability to make a deep and meaningful impact in her patients' lives. She is dedicated to delivering the highest standard of psychiatric care to her patients. In her spare time, she enjoys snowboarding, live music, and spending time with her husband and two dogs. 

Dedra Serafin, RN, LPC

Is also MetroNBI’s Clinical Director. Dedra has 30 years experience as a psychiatric registered nurse in all service delivery models.  From 2012-2017 she served as the American Psychiatric Nurse Association Arizona Chapter President. She most recently advanced her skills by earning a master’s degree in Counseling from the University of Phoenix. Dedra specializes in Animal Assisted Therapy and engages patients’ strengths by using recovery principles.  Dedra also holds a degree in Health Education and PE from Indiana University of Pennsylvania. Her education and experience as a teacher, nurse, therapist, and administrator provides her A VOICE to advocate and bring her leadership skills to the behavioral health system of care.