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Susannah Williams, MD

Staff Psychiatrist
Languages
English
SPECIALTIES
ADHD
Anxiety
Bipolar Disorder
Depression
LGBTQIA+
Obsessive-compulsive disorder (OCD)
PTSD/Trauma
Perinatal Psychiatry
Phobias
Postpartum Depression
Tics/Tourette Syndrome
Geriatric

Education and training

  • The University of Alabama, BS
  • The University of Tennessee Health Science Center, Internship and Residency

Get to know

Susannah Williams, MD

Dr. S. Taylor Williams is a psychiatrist with Talkiatry. She is board-certified in psychiatry and has been practicing over 14 years. Dr. Williams received her MD from the University of Alabama School of Medicine at UAB. She completed her psychiatry residency at the University of Tennessee Health Science Center. Prior to joining Talkiatry, she held an academic appointment at UTHSC as Assistant Professor of Psychiatry and was the Clinical Director of the Memphis Mental Health Institute. She specializes in the treatment of young adults and LGBTQ patients. Her practice focuses on medication management.‍

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Shari Sengupta, MD

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Dr. Shari Sengupta attended the University of OK as a National Merit Scholar and went on to graduate with her MD from Eastern Virginia Medical School. She specialized in Adult Psychiatry at the University of NC Hospitals where she was a chief resident. She received psychotherapy training in insight-oriented and cognitive-behavioral approaches and trained at the Psychoanalytic Institute of the Carolinas. She has 18 years of experience providing medication management and psychotherapy in both private practice and community mental health settings and over 10 years of experience in telepsychiatry providing care to underserved communities. Dr. Sengupta has experience treating a variety of mental health concerns but has a particular interest in depression, anxiety, and mental health in the perinatal period. Her practice focuses on medication management from a holistic perspective. She believes that mental health is the cornerstone of overall well-being and that treatment is a collaborative journey toward improved health and function in life, work, and relationships. She offers culturally sensitive treatment to people from all backgrounds and sexual orientations. As a staff psychiatrist at Talkiatry, her treatment approach focuses on medication management informed by a background in psychotherapy.‍

Joyln Ferrell, MD

Staff Psychiatrist

Background and credentials

Dr. Joyln Ferrell is a board-certified psychiatrist with specialized training in treating depression and anxiety disorders. She earned her medical degree from Howard University College of Medicine and also holds a doctorate in pharmacy from the University of Georgia. She completed her residency training in psychiatry at VA Boston/Harvard Medical School and gained significant clinical experience at McLean Hospital. Additionally, she completed a fellowship in psychoanalytic psychotherapy at Columbia University Center for Psychoanalytic Training and Research.

Treatment approach

Dr. Ferrell focuses on providing patient-centered care, emphasizing improving quality of life and helping patients reach their specific treatment goals. Her approach integrates medication management with supportive therapy. She believes in a collaborative treatment process and may recommend additional therapy support when necessary to optimize outcomes. She takes a cautious and limited approach to the use of controlled medications, ensuring responsible medication management.

What you can expect in a first visit

During the first visit, patients can expect a comprehensive assessment of their symptoms, medical history, and treatment goals. Dr. Ferrell takes a thoughtful and individualized approach to care, working with patients to develop a treatment plan that incorporates medication management and supportive therapy. Follow-up visits typically last 20-30 minutes and focus on monitoring progress and adjusting treatment as needed. In some cases, she may recommend involving an additional therapist to further enhance the effectiveness of the treatment plan.

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.

Laura Rosas, MD

Staff Psychiatrist

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.

Angie Catlin, PMHNP

Staff Nurse Practitioner

Angie Catlin DNP has been working in mental health for over a decade. She has experience working inpatient, outpatient, and intensive outpatient clinics. She has also worked as a provider in residential care centers and long-term care. She began as a BSN nurse, after graduating from Pittstate University in Kansas, in the critical care field before finding psychiatry at an inpatient child and adolescent hospital. Working with young patients in crisis led her to want to continue her education to become a psychiatric provider to address lack of access to care for those with mental health needs. Angie continued to help ensure those in need have access to care, and assisting her patients obtain the best outcomes became her passion.

She then enrolled in a dual master’s program to obtain her Master’s in Nursing and Master’s in Business for health care administration as she wanted to gather as much knowledge as she could on the barriers to care and to address those barriers. After finishing her dual Master’s with a MSN and MBA/HA from University of Phoenix, she enrolled in the Doctor of Nursing Practice program at University of Missouri in Columbia to become a Psychiatric Nurse Practitioner. While in her Doctorate program she completed residencies in rural outpatient clinics, urban outpatient clinics, and nursing homes to understand the barriers for patients of all age groups in each level of care. Since graduating from Mizzou, Angie maintained her zealousness in making care available to all; working with diverse populations in every setting. She enjoys reading up on the latest research pertinent to her clients, including new medications and treatments on the horizon. Angie is an avid football fan and enjoys cooking, reading, live music, and spending quality time with her family including her Saint Bernard and two English bull dogs during her downtime.

Angie Catlin DNP has worked with patients suffering from anxiety, depression, OCD, PTSD, ADHD personality disorders, learning disabilities, insomnia, Autism, bipolar disorder, Alzheimer’s and dementia, Parkinson’s, Psychosis, Depression, Schizoaffective disorder, and schizophrenia. Angie has always been an advocate for those with mental health issues and is willing to do what is needed to help patient’s feel supported, educating her patients on current treatments and treatment options, and best practices. Moreover, Angie advocates for LGBT issues and understands the issues facing those who are LGBT in society.

She is compassionate about the care she provides as she wants patients to achieve their best life. She will always spend time with patients discussing medications to ensure decisions are a team decision between patient and provider. She has always included counseling and education as part of her practice to ensure her patient receive best evidenced based outcomes She believes that psychiatric care decisions should be made with the patient, not for the patient, so patients feel heard respected and understood.

Angie Catlin DNP begins her sessions with new patients by gathering a thorough history including family history, medical history, surgical history, medication and psychiatric history. This ensures that the whole patient is treated and their entire histories are considered in influencing how the patient came to her and what their issues may be. Angie is careful to listen to each patient and assess what is important to them along with goals they may have for their treatment. Angie collaborates with her patients in a team approach to develop treatment plans that the patient feels comfortable with in achieving their goals.  

She values open communication and individualized treatment plans that focus on each patient’s needs and the barriers they face helping to address those barriers so patients can achieve to live their best lives. Angie wants the best for all patients she treats and accepts her patients as they are and supports what they believe is vital to their needs. Angie is a firm believer that the patient knows what works for them and is always patient centered in her approach.

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.

Esha Garg, DO

Staff Psychiatrist

Dr. Esha Garg is a board-certified psychiatrist starting her post-graduate practice with Talkiatry. After completing an undergraduate degree in psychology at Johns Hopkins University, she completed her medical degree at Kansas City University of Medicine and Biosciences. She is a recent graduate from the Adult Psychiatry Residency at University of Kansas Medical Center.

Dr. Garg's practice focuses on medication management but she believes in the importance of both therapy and medication management in treating mental illness. She offers medication management with supportive therapy in 30-minute follow up visits. She also utilizes referrals to therapists to enhance collaborative care and management of illness.

Dr. Garg believes in the importance of building a strong therapeutic relationship. She focuses on treating patients with depression and anxiety disorders. She believes in a holistic, patient-centered approach to care and encourages patient's to explore their physical, emotional, social and spiritual needs in addition to their mental health.

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Specialties
ADHD
Anxiety
Bipolar Disorder
Depression
LGBTQIA+
Obsessive-compulsive disorder (OCD)
PTSD/Trauma
Perinatal Psychiatry
Phobias
Postpartum Depression
Tics/Tourette Syndrome
Geriatric
States
Tennessee
Languages
English
Takes insurance
Virtual visits
14 years experience