Board certified badge iconBoard certified
geometry-shapes iconADHD, Bipolar Disorder, Sleep / Insomnia, Eating Disorder, Anxiety, Depression, Stress / Mental Stress / Work Stress, Anger Management, Obsessive-Compulsive Disorder (OCD)
Online in California
2 years in practice
Ages served: 14-65+
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Accepted insurance & self-pay

Sima accepts 33 insurers
Aetna
Aetna Medicare Advantage
Blue Cross Blue Shield
Cigna | Evernorth
Cigna | Evernorth - Employee Assistance Program (EAP)
Adventist Health Associates | Employee Health Plan
Adventist Health Associates | Non-Employee Health Plan
Blue Shield of California | BCBS
Blue Shield of California | Medicare Advantage
Carelon
Compsych
Firefly Health Plan | Cigna PPO Network
First Health Network
Humana Medicare Advantage
Imperial Health Holdings Medical Group CA
Imperial Health Plan of California
JP Farley Corporation
Magellan
Medica
Medicare CA
Multi Plan PHCS
Oscar Health
Poppins Health
Quest Behavioral Health
Sharp Health Plan
Sutter Health Plan
Sutter Senior Care
UMR
United Healthcare | Optum
United Healthcare | Optum - Employee Assistance Program (EAP)
United Healthcare | Optum Medicare Advantage
Uprise EAP
Ventura County Health Care Plan
Western Health Advantage
SELF-PAY COSTS
Out-of-pocket session costs for clients who don’t have insurance or aren’t covered by their insurance for mental health services.
$300
first session
$210
subsequent sessions
About Provider

About Sima

I am a Psychiatric Mental Health Nurse Practitioner with 2 years of experience. My background blends nursing and mental health care, giving me a strong foundation to support individuals facing diverse challenges. Over the course of my career, I have worked in outpatient and community settings, helping clients navigate conditions such as depression, anxiety, and bipolar disorder. I bring compassion, expertise, and a client-centered focus to every session, ensuring care is tailored to the unique needs of each individual.

I earned my Master’s in Nursing from Walden University, where I received specialized training in psychiatric assessment, diagnosis, and treatment. I integrate medication management with supportive therapy, drawing on evidence-based approaches to create treatment plans that address both immediate concerns and long-term wellness goals.

I believe every person deserves individualized care. I take time to understand my clients’ stories, strengths, and goals so their treatment feels personal and effective. My mission is to empower individuals to move forward with hope and confidence, knowing they are supported every step of the way.

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Sima  Dinari's profile image

"As a mental health nurse practitioner I understand that every person is unique in their own way. I strive to combine advanced clinical expertise with deep compassion for individuals navigating the challenges of mental health."

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Get to know Sima

Why did you decide to become a counselor or psychiatric provider?

I decided to become psychiatric provider because I have always felt a deep commitment to helping people during some of the most challenging times in their lives. Early in my nursing career, I saw how profoundly mental health struggles affect not just the individual, but also their families and communities. I also noticed how often mental health needs were overlooked or stigmatized, even though they are just as important as physical health.

What types of clients do you work with best?

I work best with clients who are ready to take an active role in their mental health journey, even if they may feel uncertain, overwhelmed or discouraged at first. I often work with individuals struggling with depression, anxiety, bipolar disorder, ADHD, ADD, and other mood disorders.

What type of clients are you most excited to work with?

I am most excited to work with clients who are motivated to explore their mental health and open to collaboration in their care, I specially enjoy working with individuals who may be struggling with depression, anxiety, or mood disorders, and those who are impacted from past trauma.

What's one thing you wish all clients knew?

One thing I wish all clients knew is that seeking help for your mental health is a sign of strength, not weakness. Many people feel shame, for, or self-doubt when they reach out for support, but the truth is that asking of help takes courage. Mental health struggles do not define who you are.

Why did you choose to practice at Thriveworks?

I chose to practice at Thriveworks because their mission aligns with my own values as a Psychiatric provider. Thriveworks emphasizes accessible, compassionate, and client-centered care, which is exactly how I approach my practice.

What inspires you?

What inspires me most is the strength and resilience I see in my clients, even in the face of overwhelming challenges, people have an incredible ability to heal, adapt, and grow when given the right support

What can clients expect in their first session with you?


In a client's first session with me, they can expect a welcoming, supportive, and judgment-free environment. My priority is to create a safe space where they feel comfortable sharing their story at their own pace.

What do you want to accomplish with an individual in their first session?

In a first session, my main goal is to build a foundation of trust and safety. I want each client to feel heard, respected, and understood from the very beginning.

What should clients know about you before scheduling a first session?

Before scheduling a first session with me, I want clients to know that my approach is compassionate, collaborative, and nonjudgmental. I believe in trading the whole person, not just the symptoms, and I will always take the time to listen and understand each client's unique story. As a Psychiatric nurse practitioner, I specialize in Medication management and supportive care.

What do you do for fun/on your time off?

On mu time off, I enjoy recharging by spending time outdoors, whether that means hiking local trails, taking long walks, or just soaking up the sunshine with a good book.

What's one thing about you that defines you (non-professional)

It is my genuine compassion for others, Whether in my personal life or my professional role as a psychiatric nurse practitioner.

Does CLINICIAN prescribe medications effective for the treatment of ADHD? 

Yes - when clinically appropriate, CLINICIAN may prescribe both non-stimulant (all ages) and stimulant (adults only) medication for the treatment of ADHD.

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Other areas of focus

SpecialitiesADHD, Bipolar Disorder, Sleep / Insomnia, Eating Disorder, Anxiety, Depression, Stress / Mental Stress / Work Stress, Anger Management, Obsessive-Compulsive Disorder (OCD), Trauma / PTSD, Alcohol Use, Grief
ApproachesPositive Psychology
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Education and training

Years in practice
2 years
Graduating institute
Walden University
Graduating degree
Master of Science in nursing
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Additional details

Languages spoken by this provider
FarsiEnglish
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NPI number1346965704
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State of practiceCA
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License number95022884
Practice location

Practice information

Book your first session

Medication/Psychiatry
Sima is available for Video visits.
Want help booking? 
Existing client? and rebook
Sima Dinari's profile image

Sima Dinari

Psychiatric Mental Health Nurse Practitioner (PMHNP)she/her