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Ann Landowne, MD

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

Education and training

  • Brandeis University, BA
  • Albert Einstein College of Medicine of Yeshiva University, MD
  • Bronx Municipal Hospital Center, Residency
  • Bronx Psychiatric Center, Fellowship

Get to know

Ann Landowne, MD

Dr. Ann Landowne is Board Certified in Adult, Adolescent, and Child Psychiatry. She has over thirty-five years of experience helping people of all ages cope with a wide range of problems. Dr. Landowne received her medical and psychiatric training at Albert Einstein College of Medicine and advanced training in psychotherapy at the Psychoanalytic Association of New York where she is on the faculty. She focuses on medication management and is holistic in her approach to people and the difficulties they face in life. She has expertise in the treatment of children and adolescents with emotional and behavioral problems, and people struggling with anxiety, depression, bipolar disorder, obsessive-compulsive symptoms, and eating disorders.�

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What you can expect in a first visit

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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.

Matthew Koller, MD

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Background and credentials

Dr. Matthew Koller is a board-certified adult psychiatrist who completed his undergraduate training at The University of Texas at Austin. He earned his medical degree from The University of Texas Health Science Center at San Antonio and completed his general adult psychiatry residency at Baylor College of Medicine in Houston, TX, where he served as Chief Resident of Education in his final year of training.

Treatment approach

Dr. Koller believes that understanding a patient fully is essential before treatment begins, emphasizing a collaborative and patient-centered approach to care. His practice is primarily focused on medication management, but he also incorporates supportive therapy and other therapeutic modalities as needed. He may recommend including a therapist in the treatment plan to ensure comprehensive, well-rounded care. He has experience treating a wide range of mental health conditions, including depression, anxiety, insomnia, personality disorders, bipolar disorder, PTSD, and psychotic disorders.

What you can expect in a first visit

During the first visit, patients can expect a thorough and individualized psychiatric evaluation, where Dr. Koller takes the time to understand their symptoms, history, and treatment goals. He prioritizes open communication and shared decision-making, working closely with patients to develop personalized treatment plans. While medication management is the foundation of his approach, he remains flexible and adaptive, incorporating therapy and other interventions as needed to help patients achieve optimal mental health.

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.

Mona Ismail, MD

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Dr. Ismail is double board-certified by the American Board of Psychiatry and Neurology in both Adult Psychiatry and Child and Adolescent Psychiatry. She earned her medical degree from Cairo University, where she also completed her neurology residency at Cairo University Hospitals. Following this, she pursued psychiatric training at New York Medical College at St. Vincent’s Hospitals, where she was appointed Chief Resident and recognized as Resident of the Year.

Dr. Ismail further specialized with a fellowship in Child and Adolescent Psychiatry at UMDNJ/Rutgers Robert Wood Johnson Medical School. Her career includes multiple leadership roles, notably serving as Chief of the Child and Adolescent Partial Hospital Programs (PHP) at Rutgers University in Newark, NJ, where she provided direct care to young patients. She has also held Medical Director positions across various clinical settings, including child and adolescent inpatient units, outpatient programs, and intensive outpatient services for both adolescents and adults with mental health and co-occurring substance use disorders.

An active educator, Dr. Ismail has been a teaching faculty member, delivering lectures and providing supervision and evaluations for medical residents and child and adolescent psychiatry fellows. Her academic contributions extend to research, where she has served as a principal investigator on multiple studies.

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Dr. Ismail is passionate about integrative medicine, which combines evidence-based alternative therapies with conventional treatments to optimize outcomes. Her approach focuses on promoting overall wellness, keeping both the body and mind in harmony.

During the diagnostic evaluation, Dr. Ismail will review your medical history and past treatments to develop a comprehensive, personalized treatment plan that prioritizes your overall wellness. In addition to medication management, she incorporates supportive, cognitive, or psychodynamic psychotherapy during follow-up visits, as time allows. When appropriate, she may also recommend referrals to specialized psychotherapists to address your individual needs as part of a holistic treatment approach.

Abdulhafiz Ahmed, MD

Staff Psychiatrist

Abdulhafiz Ahmed, MD

Staff Psychiatrist

Languages

English, Arabic

Conditions treated:

Anxiety, Depression. Bipolar Disorder, OCD, PTSD/Trauma, ADHD

Education and training:

University of Maryland at College Park, BS

Georgetown School of Medicine, MD

University of Maryland Medical System at Baltimore (UMMS), Residency

and fellowship.

Dr. Abdulhafiz Ahmed is a board-certified adult psychiatrist with over 25 years of clinical experience across community hospitals, university teaching hospitals, the Veterans Administration (VA) medical system, and private practice. He has served as the inpatient medical director at MedStar Harbor Hospital in Baltimore and outpatient medical director at the University of Maryland Upper Chesapeake. Dr. Ahmed has extensive expertise diagnosing and treating a wide range of psychiatric conditions including depression, anxiety, bipolar disorder, adjustment disorders, phobias, thought disorders, trauma, and PTSD.

Dr. Ahmed approaches each patient with empathy, attentiveness, and respect, fostering an environment of safety and trust. He recognizes the importance of cultural diversity and is dedicated to understanding each person’s unique background, values, and life circumstances. His patient-centered philosophy ensures that individuals feel heard, validated, and actively involved in their care.

Dr. Ahmed combines evidence-based psychopharmacology with supportive psychotherapy to provide comprehensive and individualized treatment. He collaborates closely with patients to develop a plan that targets their specific symptoms and goals, focusing on improving functioning, resilience, and overall well-being. His approachable and compassionate demeanor helps patients feel comfortable and confident throughout their journey toward recovery.

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Geoffrey Sinner, MD

Staff Psychiatrist

Background and credentials

Dr. Sinner is board-certified in Psychiatry. He completed his psychiatry residency training at Dartmouth-Hitchcock Medical Center. With over 14 years of experience, he has worked in a variety of settings, including five years in inpatient psychiatry in Vermont, where he served as Medical Director for a state hospital psychiatric unit and taught medical students. He then spent five years working in an outpatient community mental health center in Pennsylvania before transitioning to telepsychiatry, providing care to individuals in Pennsylvania, Florida, and New York.

Treatment approach

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What you can expect in a first visit

During the first visit, patients can expect a comprehensive evaluation focused on understanding their mental health concerns, history, and treatment goals. Dr. Sinner takes a compassionate and collaborative approach, working closely with patients to create individualized treatment plans. He ensures that each patient receives a balanced and effective combination of medication management and therapeutic interventions suited to their unique 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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Start our short assessment
Specialties
ADHD
Anxiety
Bipolar Disorder
Depression
Obsessive-compulsive disorder (OCD)
PTSD/Trauma
Perinatal Psychiatry
Phobias
Postpartum Depression
Tics/Tourette Syndrome
Child/Adolescent
States
New York
Languages
English
Takes insurance
Virtual visits
39 years experience