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Sumbal Akhter, DO

Staff Psychiatrist
Languages
English
SPECIALTIES
ADHD
Anxiety
Bipolar Disorder
Depression
Obsessive-compulsive disorder (OCD)
Geriatric

Education and training

  • Arizona College of Osteopathic Medicine Doctor of Osteopathic Medicine (DO)
  • University of Nevada School of Medicine (Residency)

Get to know

Sumbal Akhter, DO

Dr. Sumbal Akhter graduated from the University of Nevada at Las Vegas Psychiatry residency program. She has a wide range of experience, having worked at the VA, consult liaison psychiatry, and multiple inpatient/outpatient settings. She provides supportive psychotherapy and takes an integrative approach to her practice.

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Maria-Anne Duncan, LCSW

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Maria-Anne Duncan, LCSW-R holds the position of psychotherapist at Talkiatry. She has over twenty years of experience working with individuals, families, and groups addressing symptoms of anxiety, depression, and trauma. Before joining Talkiarty, Ms. Duncan worked as a Director of Clinical Services for a not-for-profit in the Hudson Valley Region of New York State. Prior to that, Ms. Duncan worked for a local hospital in the psychiatric department providing treatment to the Inpatient and Outpatient units. She has held several positions as a clinician and program director. Additionally, Ms. Duncan has taught parenting classes, Mental Health First Aid and provides training on Trauma-Informed Care. Ms. Duncan started her career as a clinician in a Crime Victims' Assistance Program funded by New York State. Through this experience she began to explore the effects of trauma on individuals, their families, and the community. Ms. Duncan has been trained in both EMDR (Eye-Movement Desensitization and Reprocessing) and SE (Somatic Experiencing). She utilizes these body-focused therapies to help her clients be released from years of painful energies locked in their systems. Ms. Duncan received her Bachelor's Degree from Marist College and her Master's from Fordham University. She has been trained to supervise Social Work Students in their field placements. Ms. Duncan appeared in the Vassar College student-developed training video, "He said, She said" which is used to train peer sexual assault counselors. In April of 2022, she became a trainer for LivingWorks "SafeTALK" program. Additionally, Ms. Duncan has a trained therapy dog, Monkey, who goes with her to local hospitals and nursing homes to provide comfort and affection.

Danielle LaBarre, LMHC

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Danielle LaBarre is a Licensed Mental Health Counselor and Licensed Professional Counselor (LMHC and LPC) practicing in New York, Virginia, and Georgia. With 10 years of experience, she supports adults navigating anxiety, depression, stress, grief, and life transitions. Danielle earned her Master of Science in Mental Health Counseling from Long Island University and holds a Bachelor of Arts in Psychology from Mount Saint Mary College.

She is deeply committed to person-centered care, meeting clients where they are and guiding them toward where they want to be. Danielle integrates mindfulness techniques, cognitive-behavioral strategies, and strength-based, compassionate approaches to help each individual achieve their personal goals.

Understanding that seeking therapy can feel intimidating, Danielle also views it as a courageous and empowering step. She is dedicated to creating a collaborative, culturally inclusive therapeutic environment that supports clients in living balanced, fulfilling lives.

Mary O'Malley, MD

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Dr. Mary O'Malley is board certified in Adult Psychiatry and Sleep Medicine. She received her medical degree from Weill Cornell Medical School and PhD in Neurobiology from The Rockefeller University. She completed her Psychiatry residency and Sleep Medicine Fellowship training at the New York University Medical Center. In her psychiatric practice, Dr. O'Malley uses an integrative approach to health, combining evidence-based concepts in neurobiology with psychological, social and spiritual/existential worldviews to understand and treat every patient. Her primary practice is medication management. She also integrates elements of psychotherapy into her work, typically within 30-minute follow-up visits. In addition to medication and psychotherapy, she incorporates wellness tools into visits, such as mindfulness exercises and sleep management strategies. If she believes that additional psychotherapy is needed, she will recommend that you add a therapist to your care team. Dr. O'Malley has extensive experience working with people from many stages of life, with diverse world views and cultural backgrounds. She has always had an inclusive practice and welcomes people who identify as LBGTQIA+. As part of her own life path she became an Interfaith Minister and enjoys including spirituality and the supportive role it can play in healing for her patients. Her primary focus is working with adults with mood and anxiety disorders, trauma symptoms, ADHD, and problems with sleep. She enjoys working with people facing life transitions, especially older adults and women who are struggling with mental health challenges related to pregnancy and post-partum health. Prior to joining Talkiatry, Dr. O'Malley was working at Hartford Healthcare with adults in intensive outpatient programs and at Hackensack Meridian Health outpatient clinics. She was the medical director of the Consultation Liaison Service at Berkshire Medical Center in Pittsfield, Massachusetts, and an assistant professor at UMass Medical School. She has published and presented widely on topics related to Wellness in Psychiatry, Ethics and Sleep Medicine. She is an advocate for finding your voice in medical decision-making and enjoys using sound healing for relaxation and stress management.

Caitlin Tillberg, MD

Staff Psychiatrist

Dr. Caitlin Tillberg (she/her) is a board-certified psychiatrist. She has a BA in musicology and cognitive science from Oberlin College, an MD from Quinnipiac University in Connecticut, and completed general adult psychiatry residency at Duke University. Dr. Tillberg practices patient-centered and trauma-informed care, valuing patient autonomy and collaborative decision-making, acknowledging the burden many people carry from intersecting oppressions. She believes therapy is important � often equally important as medication, or more � and will work together with you to make a realistic treatment plan that will fit into your life. Dr. Tillberg also has a niche working with people with complicated relationships with their bodies, whether due to disordered eating, gender dysphoria, chronic illness/disability, or trauma. She welcomes LGBTQ+ patients, including trans and non-binary adults. She also enjoys working with patients with OCD, as well as autistic/neurodivergent adults (including those seeking adult autism evaluation). Please note Talkiatry is most appropriate for autistic patients with Level 1 (or case-by-case Level 2) support needs and who are verbal. Regarding eating disorders: Please note that for patient safety, per Talkiatry policy, Dr. Tillberg is unable to work with patients with current active anorexia nervosa or bulimia nervosa (or significant relapse in the last 6 months), or with patients requiring current regular medical or lab monitoring for complications of binge-eating disorder or ARFID. Bariatric surgery patients are welcome if medically stable. Patients with current disordered eating that does not rise to the level of a formal diagnosis of anorexia or bulimia, or with a past history of anorexia or bulimia in sustained remission, will be evaluated on a case-by-case basis at the first appointment. Dr. Tillberg looks forward to meeting you.

Gaurav Agarwal, MD

Staff Psychiatrist

Background and credentials

Dr. Agarwal is a board-certified adult psychiatrist. He obtained his bachelor's degree in Biological Sciences from the University of California at Irvine and graduated cum laude with his medical degree from the American University of Antigua. Dr. Agarwal completed his psychiatry residency training at the University of Central Florida, where he was elected chief resident.

Treatment approach

Dr. Agarwal employs a collaborative and patient-centered approach, primarily focusing on medication management in combination with supportive therapy. He is a strong advocate of psychoeducation, believing it to be an integral part of effective psychiatric care. Dr. Agarwal specializes in treating adults experiencing depression, anxiety, PTSD, and insomnia. He is also experienced in managing patients with psychiatric conditions complicated by medical comorbidities such as obesity, hypertension, chronic pain, and diabetes.

What you can expect in a first visit

Patients visiting Dr. Agarwal for the first time can anticipate a comprehensive evaluation conducted in a collaborative and supportive environment. Dr. Agarwal prioritizes understanding each patient's individual needs and concerns, creating a personalized treatment plan that integrates medication, supportive therapy, and psychoeducation. Follow-up visits typically last about 30 minutes, allowing time to adjust treatment and reinforce therapeutic strategies.

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)
Geriatric
States
Arizona
New York
Colorado
Languages
English
Takes insurance
Virtual visits
years experience