Skip to main content

Catherine Shim, MD

Staff Psychiatris
Languages
English
Conditions Treated
Medication Management
ADHD
Anxiety
Bipolar Disorder
Depression
PTSD/Trauma

Education and training

  • New York Medical College Doctor of Medicine (MD)

Get to know

Catherine Shim, MD

Dr. Catherine Shim is a board-certified psychiatrist and completed her training at the University of Washington, where she received additional certifications in Psychotherapy and Community Psychiatry.  Prior to joining Talkiatry, she spent years serving the mental health needs of underserved communities as well as our Veteran population.  Dr. Cat is excited to bring that same dedication and selfless service to her Talkiatry patients!

Dr. Cat is experienced in managing a multitude of mental health conditions, but her specialty is providing behaviorally oriented trauma-informed care.  Her approach is to treat primarily through psychotherapy and behavioral change, with medication management serving as an important (and often essential) adjuvant to optimizing mental health.

Dr. Cat tends to have a very casual engagement style, so expect a frank but open conversation during your first meetings with her.  Following that initial screening, anticipate a candid discussion about her approach to your condition and an initial treatment plan.  Please feel free to bring up any questions or concerns at any time during this process, and note-taking is highly encouraged!

Get matched with a clinician like this one

Ready to book your first appointment? Take our 10-minute assessment. We’ll match you with a clinician who meets your needs, has availability, and takes your insurance.

Get started
More Clinicians

Ocean Workman, MD

Staff Psychiatrist

Dr. Ocean Workman, MD, has experience in outpatient, inpatient, and psychiatric emergency settings. They earned their medical degree from the University of Maryland School of Medicine and completed residency in psychiatry at the University of Washington, where they served as Outpatient Chief Resident and completed an area of distinction in psychotherapy. Dr. Workman also holds a Master of Science in Nutrition and Human Performance from Logan University and is a 500-hour Registered Yoga Teacher trained in Rishikesh, India. They have a special interest in serving LGBTQIA+, kink/sex-positive, and non-monogamous communities.

Dr. Workman’s style is warm, collaborative, and grounded in respect for each patient’s individuality. They combine evidence-based and personalized treatments that may include medication management, psychotherapy (ACT, DBT, CBT, psychodynamic, and supportive modalities), and holistic wellness approaches. Dr. Workman strives to create a safe, affirming space where patients can explore and grow in ways aligned with their values.

In the initial sessions, Dr. Workman conducts a comprehensive assessment of the patient’s goals, values, history, and concerns. Together, they develop a tailored treatment plan that reflects the patient’s unique needs, emphasizing shared decision-making and ongoing collaboration.

Michael Bartolac, DO

Staff Psychiatrist

Dr. Michael Bartolac is a board-certified psychiatrist with experience in both outpatient and inpatient psychiatric care. He has treated a wide range of psychiatric conditions including affective, psychotic, anxiety, trauma-related, substance use, neurodevelopmental, personality, and neurocognitive disorders. His clinical experience includes hybrid remote outpatient work, inpatient psychiatry on locked units, consultation for medically hospitalized patients, and performing electroconvulsive therapy (ECT). He earned his medical degree from Lake Erie College of Osteopathic Medicine and completed psychiatry residency at West Virginia University/Charleston Area Medical Center.

Dr. Bartolac values creating a space where patients feel comfortable voicing their concerns. His treatment style is rooted in open communication and trust. He primarily focuses on medication management and supportive therapy, while incorporating psychodynamic and cognitive behavioral techniques during 30-minute follow-up visits.

Dr. Bartolac is committed to providing competent and compassionate care. He takes a collaborative approach, working closely with patients and their healthcare team to ensure all aspects of care are aligned with the patient’s needs and goals.

Sarah Mennella, MD

Staff Psychiatrist

Dr. Mennella is a board-certified adult psychiatrist. Her practice focuses on medication management and supportive therapy. Treatment emphasizes patient education and autonomy. Dr. Mennella is a proponent of shared decision-making and believes this facilitates a strong therapeutic relationship, greater satisfaction with care, and improved clinical outcomes. She completed an undergraduate degree in Information Technology from Purdue University and a master's degree in information systems from DePaul University. She received her medical degree from the University of Toledo College of Medicine and then completed her psychiatry residency at Loyola University Medical Center. Areas of interest include depression, bipolar, anxiety, and PTSD.

Ali Imran, MD

Staff Psychiatrist

Dr. Ali Imran is double board-certified in Adult Psychiatry and Child and Adolescent Psychiatry by the American Board of Psychiatry and Neurology. He completed his psychiatry residency training at SUNY Downstate Medical Center. He completed his Child and Adolescent Psychiatry Fellowship at Hofstra/Northwell Zucker Hillside Hospital. He has practiced in various settings over his career, including inpatient psychiatric units, adult and child outpatient treatment clinics, urgent care centers, and emergency psychiatric treatment centers. Dr. Imran has more than five years of experience treating patients with depression, anxiety, OCD, bipolar disorder, ADHD, and learning disorders. Dr. Imran's approach is collaborative, supportive, and patient-centered.�

Amy Mattern, DO

Staff Psychiatrist

Dr. Mattern is board certified in Adult psychiatry. Her approach to mental health is integrative, with the utilization of complementary and alternative treatments such as yoga, lifestyle changes, and nutritional interventions in addition to traditional medication management and therapy. Dr. Mattern prefers to focus on the overall health and well-being of an individual, rather than just treating symptoms.

Dr. Mattern’s practice focuses on medication management along with elements of therapy from different modalities, such as supportive and cognitive behavioral therapy that are patient-tailored.  Dr. Mattern understands the importance of psychotherapy and may ask to bring in a therapist into your treatment team to provide the best care and outcome. Her clinical interests include depression, bipolar disorder, anxiety disorders, post-traumatic stress disorder, panic disorder, OCD, and ADHD.

After completing her undergraduate degree in Biology at Ohio Northern University, Dr. Mattern received her medical degree from Ohio University Heritage College of Osteopathic Medicine. She went on to complete her residency in psychiatry at The Ohio State University Medical Center.  She also completed yoga teacher training and presented nationally at the APA in 2019 regarding the benefits of yoga for depression.  Dr. Mattern is a member of the American Psychiatric Association, Ohio Psychiatric Physician’s Association, and Psychiatry Society of Central Ohio.

Dr. Mattern is board certified in Adult psychiatry.  Her approach to mental health is integrative, with utilization of complementary and alternative treatments such as yoga, lifestyle changes, and nutritional interventions in addition to traditional medication management and therapy. Dr. Mattern prefers to focus on the overall health and well-being of an individual, rather than just treating symptoms.  Dr. Mattern’s practice focuses on medication management along with elements of therapy.

Jeffrey Niles, DO

Staff Psychiatrist

Dr. Niles (he/him) holds the position of Staff Psychiatrist at Talkiatry. He has four years of experience in outpatient psychiatry and is board-certified for adult psychiatry. He has received training in the use of cognitive behavioral therapy, supportive therapy, motivational interviewing, psychodynamic therapy, and dialectical behavioral therapy skills. He uses his training in therapy in tandem with medicine management to provide holistic, person-centered care. During his undergraduate studies at the University of Pittsburgh, while completing his pre-medical classes, he also pursued certification in the history and philosophy of medicine. Additionally, he studied the effect of culture and ethics on healthcare. He earned a Bachelor of Science in Psychology with a minor in Chemistry. He attended medical school at the West Virginia School of Osteopathic Medicine. His psychiatry residency training was completed at Charleston Area Medical Center. While in residency, he worked to improve cultural awareness in the outpatient setting. Dr. Niles is interested in treating patients with a wide variety of diagnoses. He treats mood disorders, anxiety disorders, trauma-related disorders, personality disorders, OCD, comorbid addiction, mild eating disorders, neurodevelopmental disorders such as autism spectrum disorder, and more. He also strives to provide care that affirms LGBTQIA+ identities and underwent additional training in transgender mental healthcare.

Ready to get matched?

Start our short assessment
Specialties
Medication Management
ADHD
Anxiety
Bipolar Disorder
Depression
PTSD/Trauma
States
Washington
New York
Languages
English
Takes insurance
Virtual visits
years experience