Shahzad M. Hashmi, MD, DFAPA

Rebecca Herrera, PA-C

Penelope Burton, LPC, MAC, CPCS

Veronica Thornsberry, LPC

Nicole Williams, MSN, APRN, FNP-BC, PMHNP

Dan Richart, LPC

Curtis Atkins, LPC

Robyn Tenenbaum, PMHNP

Anicia Cross-Robinson, DNP, FNP-C, PMHNP-BC

Kris Magpantay, PA-C

Lawrenceville location

Practice Staff

Curtis Atkins is a Licensed Professional Counselor. He graduated from Mercer University with a Master of Science in Clinical Mental Health Counseling and is board certified in counseling by the National Board of Certified Counselors.

Curtis specializes in trauma, anxiety and substance use disorders but is qualified to treat a wide variety of conditions and mental health concerns. He uses an eclectic model for therapy drawing from CBT, DBT, exposure and response prevention, and family systems. He has experience in a wide variety of settings including inpatient treatment, PHP/IOP, outpatient, and detox.

Curtis sees both adolescents and adults for individual, family, or couples therapy and works to create an affirming and culturally aware environment in sessions regardless of gender, race, religion, ethnicity, or sexual orientation.

Robyn Tenenbaum is a board certified Psychiatric and Mental Health Nurse Practitioner (PMHNP-BC). She has been with Salveo Integrative Health since October of 2016. She graduated with a Bachelor of Science in Nursing from the University of Florida, and a Master of Science in Nursing from the University of Alabama at Birmingham.

Robyn specializes in the assessment, diagnosis, and treatment of various psychiatric conditions. She believes in personalized, collaborative care, working to tailor plans to meet the unique needs of each patient. Whether you are a child, adolescent, adult or senior, she is here to provide comprehensive and empathetic care. Robyn values teamwork and integrative holistic approaches for a well-rounded mental health strategy.

Outside of clinical practice, Robyn enjoys spending time giving back to the community, maintaining a healthy lifestyle, and enjoying time with family and friends.

Anicia Cross-Robinson, DNP, FNP-C, PMHNP-BC, is a nurse practitioner with board certifications in both family and psychiatric mental health care. Her nursing journey began at The University of the West Indies in Jamaica, where she earned her associate’s degree in nursing in 1999. Since then, she has continued to pursue her passion for learning and patient care, completing her BSN, MSN, and Family Nurse Practitioner training. In 2020, she earned her Doctor of Nursing Practice (DNP) from Chamberlain University, and in 2021, she completed a post-master’s certificate in Psychiatric Mental Health at Valdosta State University.
Over the years, she has gained experience in a variety of clinical settings, including pediatric transplant care at Children’s Healthcare of Atlanta, family medicine, psychiatry, and addiction medicine. Her early work with pediatric transplant patients gave her a deep appreciation for the mental health challenges faced by patients and their families, which led her to focus on psychiatric and addiction medicine in her advanced practice roles. She has worked at Ridgeview Institute, Children’s Healthcare of Atlanta, and in private family and mental health practices. Currently, she serves as a Psychiatric Nurse Practitioner at Salveo. She is dedicated to providing comprehensive, patient-centered care and supporting individuals on their journey to recovery. She values collaboration and strives to create a compassionate, supportive environment for her patients. Her background in family practice, pediatrics, and mental health allows her to approach care holistically, always aiming to meet the unique needs of each person she serves

Clients travel around the country to see Dr. Hashmi. His intuitive and intelligent approach to practice is unmatched. In addition to using the latest medications and therapies, he provides real hope for clients who have tried everything! He has training and experience in treating the most complex of client needs, including inpatient, child and adult autism, substance abuse, treatment resistant depression, complex geriatric disorders such as Dementia and Alzheimer’s Disorders and more.

Dr. Hashmi received his Medical Degree from Dow Medical College at the University of Karachi in 1991. He received Chief Resident Award from Howard University in Washington, DC during his residency in 2003 and then received a Fellowship in Geriatric Psychiatry at Emory University Medical School in 2004. Dr. Hashmi provides medical directorship across the state of Georgia in different inpatient and outpatient programs and holds multiple adjunct faculty positions at Emory University Medical School, Mercer University, Augusta University Medical School/UGA Partnership, Johns Hopkins University, Philadelphia College of Osteopathic Medicine. Dr. Hashmi speaks English, Urdu and Hindi. He enjoys teaching his students, traveling, cycling, hiking and reading.

Rebecca Herrera is a board-certified Physician Assistant by the National Commission on Certification of Physician Assistants (NCCPA). She graduated from Mercer University with her Masters in Medical Science in Physician Assistant Studies. Rebecca has also attended the University of Utah, The Medical College of Georgia, and Kennesaw State University.

Rebecca sees people of all ages for anxiety, depression, thought disorders, mood disorders, and various other psychiatric diagnoses. She is comfortable with the wide range of mental health concerns that exist and is welcoming to all clientele. Rebecca is passionate about helping people become advocates in their care through education. She is careful to ensure that her clients are heard and feel secure in the decisions about their mental health.

Rebecca is originally from Alpharetta, GA and grew up in the greater Atlanta area. She has interests that include teaching and learning about various topics, being outside hiking or
camping, and spending time with family. She is mom to two daughters and welcomes advice from all sources on navigating that arena!

Penelope Burton is a licensed professional counselor who specializes in the treatment of addiction, anger, stress, depression, family, relationships, career and Veteran services. She received her Bachelor of Science Degree from Southern University in New Orleans and her Master’s Degree of Science from Jacksonville State University. She also received her Educational Specialist Degree from Jacksonville State University. She is specially trained in treatment modalities of Dialectical Behavioral Therapy, Cognitive Behavioral Therapy and Recovery-Oriented Cognitive Therapy. In her free time, she enjoys attending festivals, traveling, bowling, and shopping.

Veronica Thornsberry is a Licensed Professional Counselor and has been working with Salveo clients for over 12 years. She received her Bachelor’s Degree of Science with a concentration in Psychology from Georgia Southern University and her Master’s Degree of Education with a concentration in Counselor Education also from Georgia Southern University. She has extensive experience in the outpatient and inpatient settings along with prisons, school systems and enjoys working with adult and geriatric clients.

Nicole Williams is a dually certified Family Nurse Practitioner and Psychiatric Mental Health Nurse Practitioner with over 12 years of nursing experience in psychiatry. As a certified NP, she specializes in diagnosing and treating a wide range of mental health disorders, providing comprehensive and compassionate care to support the well-being of her clients.  

 Dan Richart is a Licensed Professional Counselor. He treats anxiety, depression, couple's issues, burnout, stress, and Bipolar Disorder. He absolutely loves his job and is forever amazed at people's resiliency and strength as they overcome the difficulties and challenges of their lives.

Cognitive Behavior Therapy (CBT), Person-Centered Therapy, and Exposure and Response Prevention are Dan's modalities. He likes to fit his treatment specifically to his client's or clients' needs in a non-judgmental, positive, comfortable, and safe environment.

Dan is not trained in Dialectical Behavior Therapy (DBT), so he does not treat Borderline Personality Disorder or Disordered Eating. He is also not
trained in treating active substance addictions or process addictions, though he can assist once patients are in recovery.

Our lives are mixtures of many things like love, beauty, pain, tragedy, success, failure, big victories, small victories, big traumas, small traumas, health, injuries, illnesses, heartache, adventure, and millions of other things. Ideally,
we learn from all of them, accept what is real, adapt and keep moving forward.

Meet Our

Kris Magpantay is a NCCPA Board Certified Physician Assistant specializing in Psychiatry, Urgent Care Medicine and Orthopedics. She received her Bachelor’s Degree in Science with a concentration in Biology and Psychology from the University of Georgia in 2012 and her Master’s Degree in Physician Assistant Studies from Mercer University in 2018. She specializes in treatment of children, adolescents, adults, and geriatric populations in the outpatient psychiatric setting.

Victoria Kelley, LMSW

Victoria Kelley is a Licensed Master Social Worker (LMSW) dedicated to supporting individuals through life’s most challenging experiences. She earned her Bachelor’s degree in Psychology and Sociology from the University of North Carolina at Greensboro and completed her Master’s degree through West Virginia University’s online program.
Victoria is passionate about working with individuals experiencing trauma, anxiety, and depression. She strives to create a safe, supportive, and collaborative environment where clients feel empowered to explore their experiences and move toward meaningful healing and growth.
Her clinical approach is integrative and evidence-based, incorporating Cognitive Behavioral Therapy (CBT), Dialectical Behavior Therapy (DBT), Motivational Interviewing (MI), and Person-Centered Therapy. She tailors treatment to each individual’s unique needs, helping clients build practical coping skills, strengthen resilience, and develop deeper self-understanding.

Alexis Tyler, MSN, PMHNP-BC

Ruth-Ann Shackleford, PMHNP

Alexis Tyler, MSN, PMHNP-BC is board certified by the ANCC as a psychiatric mental health nurse practitioner. She received her Bachelor’s Degree of Science in Nursing from Piedmont College and her Master’s Degree in Science in Nursing from Georgia College & State University. She has years of experience working in behavioral health and emergency medicine in nursing and has worked many years in inpatient settings for behavioral health and substance abuse treatment.

She specializes in treatment of children, adolescents, adults and geriatric clients and highly values empathetic and dependable care for those who are going through vulnerable times. She provides assessment, diagnostics, medication management, crisis services and combined psychotherapy services to her clients at Salveo Integrative Health. Alexis takes a unique and holistic approach to each client that she treats, all while providing a positive environment for clients so that they feel comfortable and cared for during their time at Salveo Integrative Health.

Ruth-Ann Shackleford is a board-certified Psychiatric Mental Health Nurse Practitioner dedicated to providing compassionate, evidence-based mental health care to individuals across the lifespan. She earned her Bachelor of Science in Nursing from Valdosta State University and her Master of Science in Nursing from the University of Southern Indiana, where she developed a strong foundation in psychiatric assessment, psychopharmacology, and therapeutic interventions. She gained extensive clinical experience in the inpatient settings, including the intensive care unit (ICU) and procedural nursing. These roles strengthened her clinical judgment, adaptability, and commitment to delivering high-quality, patient-centered care.

As a PMHNP she utilizes a patient-centered approach, active listening skills, and commitment to creating a safe, supportive environment for her patients. She is passionate about empowering patients and promoting long-term mental wellness.