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Allison Cheng, MD

Staff Psychiatrist
Languages
English
Conditions Treated
ADHD
Anxiety
Bipolar Disorder
Depression
LGBTQIA+
PTSD/Trauma
Geriatric
Medication Management

Education and training

  • University of South Florida College of Medicine Doctor of Medicine (MD)
  • Nova Southeastern University (Residency)

Get to know

Allison Cheng, MD

Dr. Cheng is a board-certified psychiatrist who provides medication management alongside supportive therapy. She takes an individualized, patient-centered approach, creating comprehensive treatment plans tailored to each person's needs. With an approachable and caring demeanor, she helps patients address both immediate concerns and underlying stressors. Dr. Cheng believes in evidence-based practices while maintaining sensitivity to each patient's unique mental health journey.

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Puja Kumar, MD

Staff Psychiatrist

Background and credentials

Dr. Puja Kumar is trained in adult, child, and adolescent psychiatry and is a board-certified pediatrician. She earned her Bachelor of Science from the University of Calgary and her medical degree from St. George’s University in Grenada. She completed her pediatrics residency at Maimonides Medical Center in New York and practiced pediatrics with MedStar Shah Medical Group in Maryland before transitioning to psychiatry. She later trained in child and adult psychiatry at University Hospitals Cleveland Medical Center.

Treatment approach

Dr. Kumar provides medication management combined with supportive therapy, typically in 30-minute follow-up visits. She takes a holistic approach to treatment, considering the impact of lifestyle, parenting practices, and family dynamics on mental health. She emphasizes integrative care, ensuring that treatment plans are tailored to each patient’s unique needs and circumstances.

What you can expect in a first visit

During the first visit, patients can expect a thorough and compassionate evaluation, where Dr. Kumar takes time to understand their symptoms, medical history, and environmental influences. She prioritizes collaborative decision-making, working closely with patients and, when applicable, their families, to develop a comprehensive and personalized treatment plan. Follow-up visits typically focus on medication adjustments, supportive therapy, and lifestyle recommendations to optimize mental health outcomes.

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.

Richard Mullin, MD

Staff Psychiatrist

Dr. Richard Mullin brings over a decade of experience in outpatient psychiatric care, with prior roles providing treatment to juveniles in detention and adults in jail and prison systems across West Virginia. He completed his medical degree at the Joan C. Edwards School of Medicine at Marshall University and trained in psychiatry and child and adolescent psychiatry at West Virginia University. Dr. Mullin emphasizes the importance of truly listening, so patients feel seen and heard.

Dr. Mullin works collaboratively with his patients to identify their main concerns and to build a treatment plan that feels right for them. He believes treatment should be a shared process in which the patient is empowered and supported in their mental health journey.

Taking a "less is more" approach to medication, Dr. Mullin focuses on minimizing prescriptions while still addressing all of a patient’s needs. His goal is to help patients eventually rely more on therapeutic skills than medication. He views treatment as a partnership—balancing his expertise in psychiatry with each patient's lived experience.

Carmen Orellana Martinez, MD

Staff Psychiatrist

Dr. Carmen Orellana is a Staff Psychiatrist at Talkiatry who has been in practice for over 6 years, both in the U.S. and abroad. She is double board-certified in child and adolescent psychiatry and adult psychiatry. Dr. Orellana's practice focuses on medication management. She strives to provide exceptional medical care and has extensive experience in treating persons with diverse behavioral disorders and backgrounds. Dr.Orellana involves her patients in all decisions about their health, and provides care that is respectful of patient preferences, needs, and values. Typically, she would recommend evidence-based treatments to her patients and may, occasionally, believe that concurrent therapy is also needed. She would ask that you bring a therapist into your care team to provide the best outcome. Dr.Orellana received her medical degree from Universidad Evang�lica de El Salvador. Dr. Orellana completed a residency in Psychiatry and a fellowship in child and adolescent psychiatry at the Southern University School of Medicine in Springfield, Illinois. After completing her training, Dr. Orellana remained in the school, where she worked as an Assistant Professor of Child and Adolescent Psychiatry, supervising and teaching medical students, residents, and fellows, and treating patients with various psychiatric conditions. Dr. Orellana has experience in treating treatment-resistant mood disorders with electroconvulsive therapy (ECT) and transcranial magnetic stimulation (TMS).‍

Katelyn Thompson, DO

Staff Psychiatrist

Dr. Katelyn Thompson is board certified in Adult Psychiatry. Patients looking for a psychiatric provider will find that Dr. Thompson has a gentle and approachable style. She believes that each patient was created on purpose and for a purpose. The brain is deeply wired for resilience, and Dr. Thompson is blessed to witness tDr. Katelyn Thompson is board certified in Adult Psychiatry.  

Patients looking for a psychiatric provider will find that Dr. Thompson has a gentle and approachable style.  She believes that each patient was created on purpose and for a purpose.  The brain is deeply wired for resilience and Dr. Thompson is blessed to witness that while supporting that in her patients.  She focuses on medication management with supportive psychotherapy as she treats a wide variety of psychiatric diagnoses.

his while supporting her patients. She focuses on medication management with supportive psychotherapy as she treats a wide variety of psychiatric diagnoses.‍

Deora Johnson, PMHNP

Staff Psychiatric Nurse Practitioner

Deora Johnson, PMHNP, is a board-certified adult psychiatric nurse practitioner with 24 years of experience. He is passionate about providing clients with a holistic approach to mental health care, incorporating both pharmacologic and non-pharmacologic interventions. Deora works with adult and senior populations, focusing on the assessment, diagnosis, and treatment of mental health conditions. He collaborates closely with clients to guide them through understanding and selecting the most effective interventions and medication management options for their needs. Supportive therapy, solution-focused therapy, and motivational interviewing are integral components of his medication management sessions.

Deora earned his Master of Science in Nursing from Vanderbilt University in Nashville, Tennessee, and completed a nursing practice degree at the University of Alabama in Birmingham. He has experience treating patients in a variety of outpatient and inpatient settings.

His areas of specialty include the treatment of major depressive disorder, anxiety disorders, bipolar disorder, ADHD, PTSD, and insomnia. His research focused on non-pharmacologic interventions for insomnia in individuals with depression.

Deora also has experience working with military veterans. At the VA Outpatient Clinic in Baltimore, Maryland, he treated veterans returning from Operation Iraqi Freedom and Operation Enduring Freedom, as well as those from the Vietnam and Korean War eras. His clinical work focused on PTSD, major depressive disorder, anxiety disorders, and bipolar disorder.

Deora believes the therapeutic relationship offers a unique opportunity to work collaboratively through life’s challenges. He views medication management as an important part of a comprehensive treatment plan that also includes therapy.

Cecilia Fitz-Gerald, MD

Staff Psychiatrist

Dr. Cecilia Fitz-Gerald is a board-certified psychiatrist trained in adult psychiatry and consultation-liaison psychiatry, formerly known as psychosomatic medicine. She has been practicing for over five years and has extensive experience working in a variety of clinical settings, including inpatient, outpatient, and emergency psychiatry. In addition, she specializes in working with patients with acute and chronic medical conditions that may be affecting their mental health, such as cancer, stroke, or a heart condition. She provides patient-centered care utilizing a collaborative approach to help her patients reach their goals. She is a native of Louisiana and a graduate of the LSU School of Medicine in Shreveport. She was elected to the prestigious medical honor society, Alpha Omega Alpha, during her fourth year of medical school and was awarded the John W. Bick Excellence in Psychiatry award. She completed her psychiatry residency training at the University of Texas Southwestern Medical Center where she served as Chief Resident and was a PRITE Fellow. Afterwards, she completed a fellowship in consultation-liaison psychiatry at Yale-New Haven Hospital. Dr. Fitz-Gerald has multiple scholarly publications, particularly in the fields of emergency psychiatry and hospital delirium and has presented at the annual conference for the Academy of Consultation-Liaison Psychiatry. She is passionate about academic medicine and enjoys teaching medical students and residents. Her other areas of clinical interest include ICU delirium and cardiac psychiatry.

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Specialties
ADHD
Anxiety
Bipolar Disorder
Depression
LGBTQIA+
PTSD/Trauma
Geriatric
Medication Management
States
Florida
New York
Languages
English
Takes insurance
Virtual visits
years experience