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Ashlyn Tellers, PMHNP

Staff Nurse Practitioner
Languages
English
SPECIALTIES
ADHD
Anxiety
Bipolar Disorder
Depression
Obsessive-compulsive disorder (OCD)
PTSD/Trauma

Education and training

  • University of Arizona Doctor of Nursing Practice (DNP)

Get to know

Ashlyn Tellers, PMHNP

Ashlyn Tellers is a board-certified Psychiatric Mental Health Nurse Practitioner. She earned her nursing degree with an emphasis in psychiatry in 2020 from the University of Arizona. With over twelve years of experience, she has cared for mental health patients across long-term care, inpatient, residential, and outpatient settings.

Ashlyn specializes in treating adults with depression, anxiety disorders, bipolar disorder, ADHD, and OCD through medication management and supportive therapy. She emphasizes patient education and works collaboratively to build therapeutic and safe treatment plans. She encourages open discussions about past mental health history and current stressors to help identify root causes and develop healthy coping strategies. When appropriate, she refers patients to therapists for more specialized care.

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Dr. Carlisle provides patient-centered and compassionate psychiatric care combining medication management, psychotherapeutic methods, and lifestyle modifications to create a unique treatment plan. She recognizes that each person benefits from a personalized and holistic approach to healing. Dr. Carlisle specializes in treating diverse psychiatric conditions including ADHD, anxiety disorders, depression, and post-traumatic stress disorder in children, adolescents, and adults.

During an initial visit one can expect a comprehensive evaluation aimed at understanding individual mental health history, specific concerns, and overall treatment goals. Dr. Carlisle practices a holistic approach to treating mental disorders. This is done through an individualized plan for each patient with careful consideration to medication management, therapy techniques, and lifestyle modifications. Patients can expect an empathetic and collaborative environment focused on their personal experiences and goals.

Denise White, PMHNP

Staff Nurse Practitioner

Denise White, PMHNP, has worked in the mental health field for over 30 years following the completion of her Bachelor’s degree in Psychology from Suffolk University in Boston. She began her career as a mental health technician in a geriatric residential program and later pursued additional education in nursing, earning an Associate Degree in Nursing from Quincy College, a Bachelor’s Degree in Nursing from South University, and a Master’s in Nursing from Eastern Kentucky University. Over the years, she has held diverse roles in adult and children’s case management, residential and intensive outpatient programs, inpatient psychiatric care, and crisis stabilization. Denise has provided care in both inpatient and outpatient settings as well as through hospital consult services across the country.

Denise prides herself on her ability to empathize with her patients and meet them exactly where they are in their journey. She believes that trust is the foundation of the therapeutic relationship and works diligently to create a supportive, nonjudgmental environment where patients feel safe, heard, and respected.

In the initial evaluation, Denise focuses on gathering comprehensive information to form a complete understanding of each patient’s unique background and needs. From there, she develops an individualized treatment plan that aligns with the patient’s prioritized goals. Each session begins from that foundation, allowing her to support patients at their own pace as trust deepens and progress unfolds.

Nicholas Tamoria, MD

Chief Psychiatrist

Dr. Tamoria is a California native whose career has taken him around the country. As a medical student at Temple School of Medicine in Philadelphia, PA he worked in a culturally diverse, urban community. He was Chief Resident at the “President’s Hospital” in Washington DC and spent the first part of his career serving as an active-duty Navy psychiatrist helping servicemembers and veterans. After the Navy, he returned west to WA whereas a Medical Director he led one of the state’s most successful behavioral health programs through COVID and into the telehealth revolution. Now he serves as Talkiatry’s first West Coast Chief leading and supporting psychiatrists across the western US.

Dr. Tamoria works with adults to diagnose and treat a wide variety of mental health conditions including Depression, Anxiety, ADHD, Bipolar Disorder, PTSD, and more. He uses a combination of medication management and psychotherapy treatment to help patients improve and thrive. He is well experienced in caring for patients with complex histories or co-morbid medical conditions.

In the first appointment with Dr. Tamoria he completes a comprehensive evaluation of mental health symptoms, medical history, social supports, and stressors. He works collaboratively with patients to develop a treatment plan that may include lab tests, managing medications, initiating psychotherapy, or referring to other specialists. Over time he builds on the patient’s strengths and resilience to lead to recovery.

Swetha Mummini, MD

Staff Psychiatrist.

Dr. Swetha Mummini earned her medical degree from SUNY Downstate Medical Center and completed her psychiatry residency at the University of Maryland/Sheppard Pratt. She has worked across various clinical settings, including inpatient units, residential treatment centers, and substance use disorder clinics. Her clinical interests include mood disorders, OCD, women’s mental health, and eating disorders.

Dr. Mummini takes a holistic approach to mental health, recognizing that there is no one-size-fits-all solution. She thoughtfully integrates medication when appropriate, alongside lifestyle changes, sleep, and stress management. She prioritizes strong therapeutic relationships and uses 30-minute follow-up visits that often include elements of psychotherapy.

In the first appointment, Dr. Mummini gathers a thorough psychiatric history, explores current symptoms, and learns about the patient’s goals. She works collaboratively to develop personalized, evidence-based treatment plans, blending integrative psychiatry with ongoing support for long-term well-being.

Laura Rosas, MD

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Dr. Laura Rosas is an adult psychiatrist at Talkiatry who practices compassionate, patient-centered care. As a multiracial psychiatrist, she serves diverse communities and focuses on treatment plans that respect each patient's background. She treats various diagnoses, including trauma, mood, personality, and eating disorders, with a particular interest in the student and LGBTQ+ communities. Using a range of skills and interventions from psychodynamic therapy, cognitive behavioral therapy (CBT), dialectical behavior therapy (DBT), acceptance and commitment therapy (ACT), and mentalization-based therapy (MBT), Dr. Rosas prioritizes a collaborative approach. She ensures patients are actively involved in shaping their treatment, including decisions about medication and supplements. This cooperation allows for personalized care plans that align with each patient's needs, values, and goals. Recognizing that cultural influences, substance use, financial constraints, and other societal factors impact mental health, Dr. Rosas examines these personal aspects to provide effective, holistic care in a non-judgmental space. She graduated from McGovern Medical School (UT Houston) and completed her residency in psychiatry at the University of Chicago. She aims to make healthcare more accessible and affordable, driving systemic changes in mental health care.

Nereida Gonzalez-Berrios, MD

Staff Psychiatrist

Background and credentials

Dr. Nereida Gonzalez-Berrios is a general psychiatrist fluent in English and Spanish. She earned her bachelor’s degree in Microbiology from the University of Puerto Rico and her medical doctorate from Ponce School of Medicine (now Ponce Health Sciences University). She completed her General Psychiatry Training Program at the University of Puerto Rico Medical Sciences Campus, graduating in 2008. After practicing privately in Puerto Rico, she relocated to Texas, where she worked for over five years at the Michael E. DeBakey VA Health System, providing mental health care to veterans. She has also gained extensive experience in telemedicine, working both within the VA system and as a locum tenens provider.

Treatment approach

Dr. Gonzalez-Berrios has extensive experience treating a wide range of psychiatric conditions, including mood disorders, anxiety disorders, psychotic disorders, intellectual impairment, ADHD, eating disorders, PTSD, and personality disorders. She integrates traditional psychiatric treatment with a holistic wellness approach, drawing on her background as a motivational speaker, wellness coach, certified personal fitness trainer, nutrition coach, and weight-loss specialist. Her approach emphasizes improving overall mental and physical well-being through personalized treatment plans that incorporate psychiatric care, wellness strategies, and lifestyle modifications.

What you can expect in a first visit

Patients can expect a comprehensive psychiatric evaluation where Dr. Gonzalez-Berrios carefully assesses their symptoms, medical history, and personal wellness goals. She takes a collaborative and patient-centered approach, ensuring that treatment is tailored to each individual’s mental and physical health needs. As an experienced telemedicine provider, she offers accessible and flexible mental health care, combining medication management and holistic wellness strategies to help patients achieve lasting well-being.

Why Talkiatry?

We’re a virtual mental health practice that makes it easy to find great care. We combine quality and convenience to help you thrive—faster. Our providers, like this one, are highly trained experts who specialize in medication management and collaborate with you on a treatment plan that fits your needs and comfort level.

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Specialties
ADHD
Anxiety
Bipolar Disorder
Depression
Obsessive-compulsive disorder (OCD)
PTSD/Trauma
States
Arizona
Washington
New York
Languages
English
Takes insurance
Virtual visits
years experience