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Diane Lewis, MD

Staff Psychiatrist
Languages
English
SPECIALTIES
Anxiety
Depression
Obsessive-compulsive disorder (OCD)
PTSD/Trauma
Phobias

Education and training

• Texas A&M University, BS

• Texas A&M University Health Science Center/College of Medicine, MD

• UT Southwestern Medical Center - Austin Regional Programs, Residency

Get to know

Diane Lewis, MD

Background and credentials

Dr. Diane Lewis is board-certified in general psychiatry by the American Board of Psychiatry and Neurology. She earned both her undergraduate and medical degrees at Texas A&M University (College Station and Temple, TX) before completing her general psychiatry residency at UT Southwestern - Austin Programs (now Dell Medical School residency programs). After her residency, she practiced for eight years as a staff psychiatrist at the University of Texas' student counseling center. She also has experience working in hospital admissions and emergency department settings.

Treatment approach

Dr. Lewis employs a medication-management-focused approach typically paired with supportive therapy during 30-minute follow-up visits. She strongly values a collaborative treatment approach, frequently encouraging patients to incorporate additional therapy for the best outcomes. Her primary specialty is college mental health, treating patients aged 18-45 with a range of mental health conditions from mild to complex. Dr. Lewis emphasizes authenticity, compassion, and recognizing patients beyond their diagnoses, providing care tailored to individual circumstances and goals.

What you can expect in a first visit

During a first visit, patients can expect Dr. Lewis to conduct a thorough evaluation, carefully listening to their concerns, and considering their symptoms within the broader context of their lives. Her patients appreciate her down-to-earth and compassionate communication style. She aims to create an environment where patients feel understood, respected, and actively involved in shaping their personalized treatment plan, often recommending additional therapy support when beneficial for achieving optimal 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.

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Gerald Matthews, MD

Staff Psychiatrist

Background and credentials

Dr. Gerald Matthews is a board-certified adult psychiatrist. He earned his medical degree from the University of Louisville School of Medicine in Louisville, KY. Following medical school, he entered active duty service in the U.S. Army, where he completed his psychiatry residency at Tripler Army Medical Center in Honolulu, HI. After completing his training, he practiced as a staff psychiatrist at Fort Hood, TX, fulfilling his service obligation.

Treatment approach

Dr. Matthews specializes in medication management, working primarily with adult patients in an outpatient setting. While his primary focus is pharmacological treatment, he frequently collaborates with therapists to provide comprehensive care when indicated. He has extensive experience treating civilians, active-duty military personnel, and veterans, addressing conditions such as mood and anxiety disorders, psychosis, and trauma-related disorders.

What you can expect in a first visit

During the first visit, patients can expect a thorough psychiatric evaluation where Dr. Matthews takes time to understand their history, symptoms, and treatment goals. He provides a structured yet compassionate approach to care, discussing medication options and potential therapeutic interventions. For patients who may benefit from additional therapy, he collaborates with therapists to ensure a well-rounded treatment plan tailored to each individual'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.

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.

Tiffany Abtahi, MD

Staff Psychiatrist

Dr. Tiffany Abtahi is board certified in adult psychiatry and has been in practice for over 6 years. She completed her residency at Icahn School of Medicine, Elmhurst Hospital Center program where she served as Chief Resident in her final year. After completing her residency training, Dr Abtahi worked as a staff psychiatrist in the VA Medical Center focusing on PTSD, depression, and anxiety. Dr. Abtahi has held an academic appointment at the University of UT Southwestern medical school and has spent her professional career supervising/teaching medical students and psychiatry residents. Dr. Abtahi's practice focuses on medication management and providing psychoeducation to her patients. However, if indicated, Dr. Abtahi may believe that additional therapy is also needed and ask that you bring a therapist into your care team to provide the best outcome. Dr. Abtahi has experience treating a large variety of mental health conditions across a variety of populations. She strongly believes in tailoring treatments through a holistic and patient-centered approach based on individual and multi-faceted histories. Dr. Abtahi looks forward to working with you.

Brett Abernethy, MD

Staff Psychiatrist

Background and credentials    

Dr. Abernethy is a board-certified psychiatrist who received his medical  degree from the University of Texas Medical School at Houston. He completed  his internship at UT Southwestern in Dallas and earned a Master's of Public  Health in Epidemiology and Occupational and Environmental Health from Texas  A&M. He completed his psychiatry residency training at the University of  Oklahoma Health Science Center. Dr. Abernethy has over 12 years of experience  practicing psychiatry in various outpatient settings, including private  practice and community mental health centers in Texas and Oklahoma,  specifically reaching underserved communities. He has treated a broad  spectrum of mental health symptoms among diverse populations, addressing  issues ranging from mood and anxiety disorders to behavioral manifestations  of Autism and other developmental disorders.    

Treatment approach    

Dr. Abernethy utilizes a collaborative and patient-centered approach to  psychiatry, focusing primarily on medication interventions that align with  each patient's unique treatment goals and clinical needs. He emphasizes  cooperation with patients to effectively treat and reduce mental  health-related symptoms. His practice centers around medication management,  supplemented by supportive treatments tailored to individual needs. Depending  on each patient’s circumstances, he may recommend additional support from  individual, family, or group counselors and therapists to achieve optimal outcomes.    

What you can expect in a first visit

In an initial visit, patients can expect a thorough, collaborative  discussion focused on understanding their symptoms, goals, and clinical  needs. Dr. Abernethy will evaluate the patient's condition to determine  appropriate medication interventions and discuss personalized treatment  recommendations. Typical follow-up visits are approximately 20-30 minutes in  length. Depending on the severity and complexity of a patient's situation,  referrals to additional counseling or therapy may also be suggested.    

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 speciualize in  medication management and collaborate with you on a treatment plan that fits  your needs and comfort level.

Kenneth Lai, MD

Staff Psychiatrist

Before pursuing medicine, Dr. Kenneth Ethan Lai explored a range of passions. After earning dual degrees in Biology and Biochemistry from the University of California, Riverside, he opened a popular Riverside eatery featured on The Food Channel. He later transitioned to the IT industry, earning a master’s degree and certifications, before answering his true calling in medicine, graduating from Saint Matthews University School of Medicine.

Dr. Lai believes psychiatry combines science and the art of medicine. Patients value his professionalism, patience, empathy, and attentive listening. He acknowledges the many choices patients have in providers and strives to create a welcoming, collaborative, and supportive environment for everyone seeking care.

Dr. Lai treats both adults and children/adolescents with expertise in psychopharmacology, psychotherapy, addiction, geriatrics, and dual-diagnosis care. He is trained in TMS and ECT, is a Certified Suboxone Prescriber, and offers consultations and treatment through office-based or telemedicine visits. His approach is tailored to each patient’s needs, integrating compassionate care with evidence-based treatment.

William Gamberino MD, PhD

Staff Psychiatrist

Dr. Gamberino is a board certified adult psychiatrist who has been in practice for over 25 years. He has always been fascinated by how the brain works, especially in the setting of stress, anxiety, and trauma. He completed his training at the Pennsylvania State University College of Medicine MD/PhD program and earned his PhD in Neuroscience. He subsequently completed a Residency in Adult Psychiatry including an Anxiety Disorder Research Fellowship at the University of Florida. Dr. Gamberino had a private practice for over 10 years with a focus on providing psychotherapy integrated with pharmacological management. He worked for 25 years with adult and geriatric Veterans at Department of Veterans Affairs with focus on treating PTSD, as well as a full range of anxiety and mood disorders including 7 years of providing care through telehealth treatment. Dr. Gamberino also has 10 years of experience working with adolescents in the juvenile justice system.

Dr. Gamberino is experienced and comfortable treating a wide variety of psychiatric conditions including PTSD, mood disorders such as major depression and bipolar disorder, and all anxiety disorders such as generalized anxiety disorder, social phobia, panic disorder, and OCD. He enjoys sharing knowledge with patients to help them better understand the origins of their symptoms and a range of strategies to manage them.

Dr. Gamberino utilizes a non-paternalistic approach respecting the autonomy of his patients while helping them gain insight into their presenting problems utilizing a collaborative shared decision making approach to help reduce symptoms and optimize functioning. His practice combines evidence-based medication management with psychotherapy utilizing elements of supportive, cognitive behavior, and insight-oriented therapy. Dr. Gamberino utilizes a patient, caring approach, meeting patients where they are to empower them with making changes that lead toward improvement and optimization of their wellness.

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Specialties
Anxiety
Depression
Obsessive-compulsive disorder (OCD)
PTSD/Trauma
Phobias
States
New York
Languages
English
Takes insurance
Virtual visits
8 years experience