Kristin Ratz, MD

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

Education and training

  • University of California Davis, BS
  • Loma Linda University, MD
  • University Of California Irvine Medical Center, Residency

Get to know

Kristin Ratz, MD

Dr. Kristin Ratz is a Board-Certified psychiatrist who is an expert in the diagnosis, treatment, and prevention of mental, emotional and behavioral disorders. She specializes in medication management combined with supportive therapy during 30-minute follow-up sessions. Dr. Ratz recognizes that each patient is unique and believes in an environment of collaboration, in which the patient and psychiatrist work together in order to develop the best individualized treatment plan. A California local, Dr. Ratz obtained her undergraduate education at University of California, Davis, graduating magna cum laude with a degree in Human Development. She then attended medical school at Loma Linda University School of Medicine, obtaining her Medical Doctorate. Following this, she completed her adult psychiatry residency training at the distinguished University of California, Irvine. Dr. Ratz has worked in a diverse range of healthcare settings, including county and community clinics, and is very experienced in telepsychiatry. She pays close attention to not only an individual's emotional state, but also their physical, spiritual, and social well-being, in order to provide her patients with exceptional holistic care.

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Dr. Michael Lukowski is an adult psychiatrist who holds board certification with the American Board of Psychiatry and Neurology. He has been practicing medicine for over 4 years. Dr. Lukowski focuses on medication management combined with supportive therapy in 30-minute follow-up visits. He practices whole-person medicine, caring for the wellness of your mind, body, and spirit and helping you enjoy your relationships with those around you. Dr. Lukowski received his medical degree from the University of Nevada School of Medicine in Reno, NV, before moving to southern California to complete his residency at Loma Linda University. After completing training, Dr. Lukowski began working with the Southern California Permanente Medical Group in Riverside, CA, where he treated a variety of psychiatric disorders in an outpatient setting. In March of 2020, as the pandemic changed life and medicine forever, Dr. Lukowski adopted a strictly telepsychiatry role at his clinic. He has also held a staff psychiatrist position as an adult inpatient psychiatrist in Tennessee. Dr. Lukowski treats a wide variety of psychiatric disorders within the adult demographic.

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Dorcas Adepoju, MD

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Dorcas Adepoju is from the Washington, D.C. metropolitan area. She earned her Doctor of Medicine (MD) degree in 2006 from Loma Linda University School of Medicine in California. She completed her psychiatry residency at the University of Kansas School of Medicine in Wichita, Kansas in 2010 and became board certified in Psychiatry by the American Board of Psychiatry and Neurology in 2012.‍She has a decade of experience working in community mental health centers, including the Center for Health Care Services (CHCS), where she treated people experiencing homelessness and mental illness from 2012 to 2019, and later served on the Assertive Community Treatment (ACT) team from 2019 to 2021, working with a multidisciplinary team providing wraparound services to patients with severe and persistent mental illness, in order to reduce their number of hospitalizations and to improve their quality of life. After working with the ACT Team, Dr. Adepoju worked for a little over 2 years at residential, partial day hospital, and outpatient chemical dependence treatment facilities, offering psychiatric evaluation and treatment to patients with psychiatric and/or substance use disorders. Dr. Dorcas Adepoju specializes in treating patients with severe and persistent mental illness(es) with or without substance use disorder(s). In addition, she has experience treating pregnant women with mental health challenges and continues to stay updated in this area of interest. Dr. Adepoju has a collaborative, patient-centered style of practice, focusing on whole person care and integrating psychotherapeutic techniques with medication management.

Luis Espinosa, MD

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Anne Tormos, LCPC, LPC-MHSP, believes that every person has the ability to live a happy, healthy, engaging life, but at times individuals need an objective observer to help uncover what that life looks like. She treats clients ages 15 and up struggling with a variety of challenges, including mood disorders, anxiety, and life transitions. Anne is a National Board-Certified Counselor. She is a Licensed Clinical Professional Counselor in the State of Illinois and a Licensed Professional Counselor � MHSP in the State of Tennessee. Anne earned a BA in Psychology from North Central College and an MS in Clinical Psychology from Benedictine University. Her experience includes working at an inpatient psychiatric hospital and outpatient group practice, which allowed her to utilize different types of care with people from all backgrounds with many different life stressors. She also has experience working within PHP and IOP settings. Anne is trained to utilize many therapeutic techniques, including CBT and DBT.‍Anne is prepared to join you on your journey to self-fulfillment. She believes that everyone has their own story to tell, and her approach is client-centered, strength-based, and solution focused. She cherishes all client relationships and devotes her time and energy to the healing process.

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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Elena Perea, MD

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Dr. Elena Perea is a board-certified psychiatrist.  She completed her undergraduate training at Wake Forest University followed by medical school and residency training at The University of North Carolina at Chapel Hill (UNC).

Dr. Perea holds an adjunct academic appointment at UNC and has been involved in medical education for her entire career.  She most recently served as Residency Program Director for the Mountain Area Health Education Center (MAHEC) psychiatry residency in Asheville, NC.  She remains involved in didactic education there for both residents and medical students.

She has a genuine interest in treating a vast array of psychiatric disorders including depression, anxiety, bipolar disorders, post-traumatic stress disorders and obsessive compulsive and related disorders. She is a skilled psychopharmacologist and interested in the mind-body connection. She believes physical health greatly affects mental health and vice versa and loves helping patients with medical comorbidities to feel well.

Patients looking for a psychiatrist will find that Dr. Perea has a comprehensive approach to diagnosis and management of her patients. She believes in the principle that body and mind are interconnected and utilizes psychoeducation and psychotherapeutic approaches in addition to medications for total wellness.

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Maralys Colon Betancourt, MD

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Dr. Maralys Colón is a board-certified psychiatrist. She graduated from the University of Puerto Rico School of Medicine, and she completed a subspecialty in Forensic Psychiatry at the University of Tulane. Dr. Colón is keen in involving and guiding her patients in their treatment; she believes that patients benefit from taking an active role in their care. Dr. Colón specializes in psychopharmacology, tailoring the medication to your needs and preferences. She has experience in treating patients with depression, anxiety, PTSD, OCD, bipolar and psychotic disorders. Her practice focuses on medication management in conjunction with techniques from cognitive behavioral therapy and supportive therapy. Her years of experience include working as an inpatient psychiatrist, an intensive outpatient program, and consultation and liaison. She has helped train physician assistants at Valparaiso University, helping expand the knowledge of future providers. Dr. Colón is looking forward to working with you to improve your mental health and quality of life.

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Dr. Varma grew up in an immigrant family surrounded by aspiring doctors, and her passion for understanding the human mind and behavior blossomed early. This curiosity led her to pursue extensive medical training abroad, beginning at Kasturba Medical College in Southern India, followed by clerkships at the University of the West Indies in Trinidad and Tobago. She completed her Adult psychiatry residency at the University of Florida in Gainesville and specialized further with a child/adolescent fellowship at Brookdale University Hospital in Brooklyn, NY.

Dr. Varma believes in a holistic, integrative approach to mental health. Her philosophy centers on identifying the root causes of ailments rather than merely addressing symptoms. She views mental health care as a partnership, where the mind, body, and spirit work together to achieve wellness. Dr. Varma is committed to fostering a safe, confidential therapeutic alliance to help you explore your potential for healing.

Dr. Varma embraces integrative psychiatry, which combines the best of conventional Western medicine with complementary approaches. This involves a comprehensive biopsychosocial assessment tailored to each individual, incorporating psychopharmacology alongside lifestyle adjustments in diet, movement, and breathwork. She collaborates with therapists and other professionals to create a well-rounded treatment plan that honors your unique journey.

Stephane Louis, LMFT

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Dr. Stephane Louis, LMFT, QS, earned a B.S. in Psychology and Biblical Studies from Palm Beach Atlantic University, followed by her M.S. and PhD in Marriage and Family Therapy from Nova Southeastern University. In 2020, she was featured in Forbes for her study of resilience and intersecting identities in queer women of Afro-Caribbean descent. Past roles include bilingual mental health assessor, psychology instructor at Broward College, and Student Counselor at Lynn University. As a therapist, Dr. Louis’ work has given her in-depth insight into how multiple systems and important relationships can influence the course of a person’s life.

As a queer woman of Haitian descent, Dr. Louis explores different ways the intersectionality of culture, family, identity, and sexuality can impact our lives. She is fascinated by stories of vulnerability, always looking for strengths and solutions. She helps people feel safe to be themselves and go from where they are to where they can be.

Dr. Louis provides individual, couples, and family therapy, integrating Accelerated Resolution Therapy (ART), Solution-Focused Therapy, collaborative conversations, and systemic approaches to address LGBTQ+ issues, racial trauma, cultural identity exploration, and relational wounds. Dr. Louis will meet you where you are and help you grow into the most authentic version of yourself.

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