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About
2nd Arc Psychiatry

Psychologist's Office

Compassionate Psychiatric Care for Children, Teens
& Adults Across New York

At 2nd Arc Psychiatry, we believe everyone deserves access to compassionate, personalized mental health care.

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We provide psychiatric evaluations, medication management, and therapy for children, adolescents, and adults throughout New York State.

 

Our team of psychiatric professionals works closely with patients and families to understand their individual needs and develop personalized treatment plans addressing emotional, behavioral, and psychiatric concerns.

With in-person appointments in White Plains and Brooklyn, along with convenient telehealth services throughout New York State, we make mental health care more accessible for individuals and families.
We accept Medicaid, Medicare, and many major commercial insurance plans. Same-week and evening appointments may be available.

Meet Our Psychiatric Providers

• Our team includes a psychiatrist, board-certified psychiatric mental health nurse practitioners, and a certified physician assistant with additional qualifications in psychiatry.

• Each provider brings professional expertise and a commitment to individualized, patient-centered mental health care.

Dr. Mina Oza, MD

Psychiatrist

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Dr. Mina Oza brings more than 40 years of psychiatric experience, providing compassionate, individualized care for children, adolescents, and adults. Her extensive clinical background includes inpatient and outpatient psychiatry, psychiatric evaluations, medication management, and ongoing mental health treatment.

Dr. Oza works closely with patients and families to understand their individual needs and develop personalized treatment plans.Her clinical interests include ADHD, anxiety, depression, child and adolescent mental health, adult psychiatry, and women’s mental health.

Chana Simanovitz, PMHNP-BC

Board-Certified Psychiatric
Mental Health Nurse Practitioner

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Chana Simanowitz provides compassionate psychiatric care focused on understanding each patient’s individual needs.

Her approach emphasizes comprehensive psychiatric evaluations, personalized treatment planning, and ongoing medication management when clinically appropriate.

Chana works collaboratively with patients and families to address emotional, behavioral, and psychiatric concerns while supporting long-term mental health and well-being.

Satomi Onikura, PMHNP-BC

Board-Certified Psychiatric
Mental Health Nurse Practitioner

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Satomi Onikura provides patient-centered psychiatric care with an emphasis on communication, collaboration, and individualized treatment.

She earned her master’s degree in psychiatric and mental health nursing from Hunter-Bellevue School of Nursing.

Fluent in English and Japanese, Satomi brings an understanding of diverse cultural backgrounds and communication needs to her work.Her approach emphasizes helping patients feel heard, supported, and involved in their treatment decisions.

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Elizabeth Lokenauth,
PA-C, CAQ-Psy

Certified Physician Assistant | Certificate
of Added Qualifications
in Psychiatry

Elizabeth Lokenauth provides psychiatric evaluations, medication management, and ongoing psychiatric care for patients experiencing ADHD, anxiety, depression, and other mental health concerns.

Her additional qualification in psychiatry reflects specialized knowledge and experience in psychiatric care.

Elizabeth emphasizes individualized treatment planning and compassionate communication, helping patients understand their symptoms, explore treatment options, and work toward improved emotional well-being.

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Desiree Rivera, APRN, PMHNP-BC

Board-Certified Psychiatric
Mental Health Nurse Practitioner

Desiree Rivera provides compassionate, patient-centered psychiatric care focused on each individual’s mental and emotional health needs.

Her approach emphasizes comprehensive psychiatric evaluations, personalized treatment plans, and medication management when clinically appropriate.

Desiree works collaboratively with patients to address concerns including ADHD, anxiety, depression, and other mental health conditions.She is committed to helping patients better understand their symptoms, participate in treatment decisions, and work toward improved emotional well-being.

Specialized Child & Adolescent Psychiatry

Children and teenagers experience mental health challenges differently from adults.

 

At 2nd Arc Psychiatry, we understand that emotional, behavioral, developmental, and academic concerns can affect a child’s well-being at home, in school, and in relationships.

 

Our psychiatric providers

work with children, teenagers,

and families to evaluate symptoms, understand individual needs, and develop personalized treatment plans.

We provide psychiatric care for concerns including:

• Attention-Deficit/Hyperactivity Disorder (ADHD)

• Childhood and adolescent anxiety

• Depression and mood changes

• School avoidance and school-related anxiety

• Emotional regulation difficulties

• Behavioral challenges

• Obsessive-Compulsive Disorder (OCD)

• Autism-related psychiatric concerns

• Trauma-related symptoms

• Sleep difficulties associated with mental health conditions

We believe appropriate family involvement plays an important role in supporting a child’s emotional well-being.

Our providers collaborate with parents and caregivers while respecting each patient’s individual needs and confidentiality.

Adult Psychiatry & Medication Management

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Mental health challenges can affect individuals at any stage of life.

2nd Arc Psychiatry provides psychiatric evaluations, medication management, and ongoing psychiatric care for adults experiencing a variety of mental health conditions.

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Our services address concerns including:

• Adult ADHD

• Anxiety disorders

• Depression

• Bipolar disorder

• Mood disorders

• Obsessive-Compulsive Disorder (OCD)

• Trauma-related conditions

• Other psychiatric concerns

Our approach emphasizes personalized treatment plans that consider each patient’s symptoms, medical history, lifestyle, and individual goals.

Why Families Choose 2nd Arc Psychiatry

Qualified Psychiatric Providers

Our team includes an experienced psychiatrist, board-certified psychiatric mental health nurse practitioners, and a certified physician assistant with additional qualifications in psychiatry.

Personalized Treatment

We recognize that every patient is different. Our providers work to develop individualized treatment plans based on each person’s symptoms, circumstances, and goals.

Same-Week Appointments

We work to accommodate new patients promptly, with same-week appointments available depending on provider schedules.

Medicaid, Medicare

& Major Insurance Plans

We accept Medicaid, Medicare, and many commercial insurance plans, subject to coverage and provider participation.

Care for Children,

Adolescents & Adults

We provide psychiatric services for patients across different stages of life, with particular attention to the mental health needs of children and teenagers.

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Convenient Evening Appointments

Evening scheduling options help accommodate students, working adults, parents, and families.

In-Person & Telehealth Appointments

Patients can access in-person psychiatric care in White Plains and Brooklyn, along with telehealth appointments throughout New York State.

• Since 2009, our practice has focused on helping individuals and families access compassionate mental health care.

• More than 18,000 patients have trusted our practice with their mental health since 2009.
 

• Our mission is to continue providing accessible, individualized psychiatric services while building meaningful relationships with the patients and families we serve.

Serving New York Since 2009

Patients may attend therapy appointments at either of our New York locations.

In-Person Psychiatry & Telehealth Throughout New York

WHITE PLAINS, NY OFFICE
2nd Arc Psychiatry
311 North Street, Suite 201
White Plains, NY 10605

Our White Plains, NY office serves children, adolescents and adults from Westchester County and surrounding communities.

BROOKLYN, NY OFFICE
2nd Arc Psychiatry
89 North 4th Street
Brooklyn, NY 11249

Our Brooklyn,NY office provides convenient access to therapy for patients in Brooklyn and throughout New York City.

Please contact our office to confirm appointment availability at your preferred location.

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FAQs - About 2nd Arc Psychiatry

2nd Arc Psychiatry

Since 2009

You don't have to figure this out alone!

Serving patients across New York State, including NYC, Brooklyn, Manhattan, Queens, White Plains, and surrounding areas.

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Disclaimer

The information on this page is provided for general educational purposes and is not a substitute for professional medical advice, diagnosis or treatment. Services and appointment availability depend on clinical appropriateness, provider availability, patient location and insurance coverage.

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If you or someone else may be in immediate danger, call 911 or go to the nearest emergency department. For mental health crisis support in the United States, call or text 988.

2nd Arc - White Plains, NY Office

311 North Street, Suite 201

White Plains, NY 10605

2nd Arc - Williamsburg, Brooklyn, NY Office

89 N 4th St.

Brooklyn, NY 11249

Fax: 1-914-639-3101

Schedule

Monday, Thursday & Friday: 9:00 AM – 6:00 PM
Tuesday & Wednesday: 9:00 AM – 8:00 PM
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