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Mark Varela,MD

Staff Psychiatrist
Languages
English
SPECIALTIES
Medication Management
ADHD
Anxiety
Bipolar Disorder
Depression
Obsessive-compulsive disorder (OCD)
PTSD/Trauma
Perinatal Psychiatry
Postpartum Depression

Education and training

  • Rice University, BS
  • San Antonio College, AS
  • Texas Tech University Health Sciences Center, MD
  • Texas Tech University Health Sciences Center at Odessa, Residency

Get to know

Mark Varela,MD

Dr. Mark Varela is a board-certified psychiatrist joining Talkiatry directly out of residency. He focuses primarily on medication management, often accompanied by brief cognitive, motivational, or supportive therapy. He may request that you also meet with a therapist regularly for your benefit. Dr. Varela received his medical degree and general psychiatric residency training both from Texas Tech University Health Sciences Center in West Texas. He treats young adults and adults with a wide variety of mental health concerns, including ADHD, mood disorders, anxiety, OCD, and PTSD.

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Dr. Bertacchi fosters an inclusive, nonjudgmental environment where patients feel safe to be themselves. She approaches care with curiosity, compassion, and deep respect for each person’s unique story, aiming to help individuals feel genuinely heard and supported throughout their treatment journey.

In early sessions, Dr. Bertacchi works collaboratively to understand patients' lives, goals, and challenges. While her focus is medication management, she integrates cognitive-behavioral, humanistic, and supportive techniques. She may recommend additional therapy as needed and particularly values working with youth and adults from diverse backgrounds.

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Dr. Chasanov values open, honest communication and takes a collaborative approach to care. He partners with patients to identify clear treatment goals and uses symptom screener tools to objectively track progress. He strives to create a warm, supportive, and empathetic environment where patients feel heard, respected, and actively engaged in their treatment journey.

In the first session, Dr. Chasanov works to gain a thorough understanding of each patient’s history, current concerns, and long-term goals. He then develops a personalized treatment plan aligned with those goals. His approach balances symptom improvement with medication tolerability and incorporates therapies that further enhance outcomes.

Shuo He, MD

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Dr. He is board-certified in adult psychiatry and addiction medicine. She is passionate about providing quality and accessible mental health care while considering each patient's concerns, values, and life circumstances. She received her medical doctorate degree from State University of New York (SUNY) Downstate Medical Center, and completed her psychiatry residency at George Washington University Hospital in DC. Prior to medical school, she completed a Master of Public Health from Yale School of Public Health. Dr. He has special clinical interests in providing trauma-informed and culturally competent care in the treatment of mental health conditions. She has experience working with special populations, such as minorities, immigrants, perinatal women, and LGBTQ+ communities. She holds a certificate from Harvard in Global Mental Health: Trauma and Recovery Program. She currently serves on the Board of Directors for a non-profit organization in Washington DC to prepare people recovering from mental illness to improve their quality of life. Although Dr. He's practice primarily focuses on medication management, she looks forward to getting to know you and incorporating her experiences with insight-oriented therapy in 20 or 30 minute follow-up visits.

Candice Hacker, MD

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Dr. Candice Hacker is a board-certified Psychiatrist at Talkiatry. She completed her Psychiatry residency and a fellowship in Consultation Liaison Psychiatry at Mount Sinai/St. Luke's Hospital. She is passionate about a holistic approach to patient care, trained in psychosomatic medicine, and she has a deep appreciation for the intricate connection between the mind and body. With over 20 years of experience, Dr. Hacker has facilitated excellent outcomes in the treatment of various mental health conditions, including anxiety disorders, mood disorders, and trauma-related conditions. Dr. Hacker believes in creating a safe, nurturing and non-judgmental environment where patients can openly explore their emotions and experiences. By integrating evidence-based psycho-pharmacological modalities with mindfulness and cognitive-behavioral techniques, she empowers her patients to challenge a negative mindset and reach their goals. Beyond her clinical practice, Dr. Hacker is deeply committed to community mental health advocacy and the destigmatization of mental illness.

Swarnalata Debbarma, MD

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Dr. Debbarma is double board certified in General Psychiatry and Addiction Medicine. Dr.Debbarma is also certified in mindfulness therapy. Prior to joining Talkiatry, Dr. Debbarma was working as an attending psychiatrist and teaching faculty in an Academic hospital. She has experience of managing diverse patients ranging from chronic severe mental illness , dual diagnosis patients, crisis management and high functioning outpatients population.

Dr. Debbarma is an International medical graduate from India with post graduate training in Psychiatry and Family Medicine.  

To better understand USA public health and preventive care, Dr. Debbarma pursued advanced degree in Master of Public Health from Thomas Jefferson University, Philadelphia. Due to interest in global health, Dr. Debbarma worked as a post-doctoral fellow in Global Health at Rutgers university. Dr. Debbarma completed psychiatry residency from Cooper University Hospital and served as a chief resident.

Dr. Debbarma has diverse experiences in health care. Prior to moving to USA, she worked as a medical officer in government hospital system. Dr. Debbarma has years of experience in treating patients from different cultural and religious background.

As an Individual Dr. Debbarma is intrigued by human mind and behavior that’s why she choose to specialize in psychiatry. She focuses on "wholeness" by understanding the whole person not just their symptoms.

Her treatment approach includes bio-psycho-sociocultural model and patient centered care.  She offers medication management and supportive therapy. Based on clinical need Dr. Debbarma also incorporate CBT, Mindfulness, MI.

Dr. Debbarma has special interest in women mental health and cultural psychiatry.

Marnie Stefan, MD

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Background and credentials

Dr. Stefan is a psychiatrist with extensive experience in outpatient care, inpatient care, and assertive community treatment. She has served as a medical director for large institutions, overseeing the treatment of individuals with complex mental illnesses. Born and raised in Puerto Rico, she is fluent in both English and Spanish. She earned her medical degree from the University of Puerto Rico School of Medicine and completed her psychiatry residency at the University of Florida, where she received recognition for her skills as a psychotherapist.

Treatment approach

Dr. Stefan is deeply committed to patient-centered care, adapting her role to the individual needs of each patient. She believes in treating the whole person, rather than just a diagnosis, recognizing that each patient has unique psychosocial circumstances. She has a strong foundation in psychotherapeutic interventions and is dedicated to providing engaging, compassionate, and meaningful therapy in every patient interaction. With over 10 years of experience as a psychiatrist, she has worked extensively in telemedicine since 2013, ensuring that remote care is as effective and personal as in-person visits.

What you can expect in a first visit

Patients meeting Dr. Stefan for the first time can expect a comprehensive and holistic evaluation that considers their symptoms, personal history, and life circumstances. She takes the time to build strong therapeutic relationships, fostering a caring and engaging environment where patients feel understood and supported. Whether through telemedicine or in-person care, she prioritizes personalized treatment plans that integrate medication management and psychotherapy, ensuring the highest quality of care tailored to each patient’s needs.

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
Medication Management
ADHD
Anxiety
Bipolar Disorder
Depression
Obsessive-compulsive disorder (OCD)
PTSD/Trauma
Perinatal Psychiatry
Postpartum Depression
States
Texas
Tennessee
Languages
English
Takes insurance
Virtual visits
1 years experience