Why choose Meridian Advanced Psychiatry?

Meridian Advanced Psychiatry is led by expert, Board-Certified, Psychiatric Mental Health Nurse Practitioners. Our full-service outpatient center for substance use disorders and co-occurring psychiatric disorders uses the most innovative medical and psychiatric treatments available.

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Meridian Advanced Psychiatry is the only provider in the Treasure Valley offering a complete diagnostic clinic for ADHD. Our evaluation and treatment recommendations are informed by objective computerized testing, brainwave monitoring, and genetic panels. Our providers are the only ADHD-CCSP certified providers in Idaho. This all leads to more accurate diagnoses, more customized treatment options, and better outcomes for you and your loved ones.

ADD/ADHD Services

Update on COVID-19

At Meridian Advanced Psychiatry, the well-being of our patients and staff is always our #1 priority. In the midst of the Coronavirus pandemic, we are taking precautions to ensure that our clinic is clean and safe. Especially in times of a higher level of stress, worry, and uncertainty, we believe that it is critical for people to still be able to access the mental health services that they need. We are doing everything within our power to ensure that our facility is clean and inviting so that Meridian Advanced Psychiatry can continue to be a source of healing and strength for our community!

For more information on COVID-19 and ways to stay healthy, click the button below to view a fact sheet provided by the CDC.

Learn more about COVID-19: CDC Fact Sheet

Kyle Ronnau, RN, MSN, PMHNP-BC

Kyle Ronnau is a Psychiatric Mental Health Nurse Practitioner and owner of Meridian Advanced Psychiatry. He formed this organization in response to the lack of available psychiatric services in Meridian, Idaho. Kyle has served patients for many years all over the Treasure Valley, and beyond to Payette, Ontario, McCall, Twin Falls, and other areas. He realized that, in his previous roles, he was often referring patients with substance use to other psychiatric providers and often finding a total lack of providers accepting new patients or in convenient locations. Now centrally located just off I-84 between the Meridian and Ten Mile exits, Meridian Advanced Psychiatry is here to provide more access to mental health services for children through adults, and treatment for substance use disorder for adults, all in one location.

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In network with:

Meridian Advanced Psychiatry accepts Medicaid.
Meridian Advanced Psychiatry accepts Medicare.
Meridian Advanced Psychiatry accepts Blue Cross of Idaho.
Meridian Advanced Psychiatry accepts Regence.
Meridian Advanced Psychiatry accepts Select Health.
Meridian Advanced Psychiatry accepts IPN.
Meridian Advanced Psychiatry accepts Aetna.

Experience a New Level of Care at Merdian Advanced Psychiatry

A New Level of Care for Mental Health

Meridian Advanced Psychiatry uses a collaborative approach with our patients. We rely on both our clinician’s expertise in mental health and the patient’s expertise in their experience. Our clinicians will provide your diagnosis after a thorough evaluation of your history and current situation. We then determine the appropriate treatment options and help you become informed enough to select the most appropriate option. Treatment can include one or more of the following: prescription medications, counseling/therapy, diet, nutrition, supplementation, exercise, and more. Consideration for a referral to other providers or treatment modalities is always available as needed. Our priority is to help you get the right treatment, even if it’s not with us.

We use updated, evidenced-based guidelines and are constantly reviewing the latest research to make sure that we are providing you with the best available psychiatric care. 

A New Level of Care for Substance Use

Meridian Advanced Psychiatry’s outpatient Medication-Assisted Treatment (MAT) clinic approaches the treatment of substance use disorders with integrated, evidence-based care. Our MAT clinic is seamlessly integrated with full-service psychiatric medication management to account for the large population of patients with both a substance use disorder and other mental health diagnoses. This helps to ensure effective and long-lasting recovery with increased retention rates, improved outcomes, and fewer chances of a return to substance use. Our mission is to provide a no-judgment environment with ease of access, and a care plan that fits the patient’s needs.

You will often find clinics that just want to treat substance use by prescribing a single medication and quickly sending you off to another provider for the rest of your mental health. At Meridian Advanced Psychiatry, we find this as a poor use of our resources and your time. Substance use disorders are another part of mental health and should be treated by your psychiatric provider. 

What is a Psychiatric Mental Health Nurse Practitioner?

A Psychiatric Mental Health Nurse Practitioner (PMHNP), or Psych NP, is an advanced practice registered nurse (RN) that has additional graduate education and national board certification that allows them to evaluate patients; diagnose, order and interpret diagnostic tests, initiate and manage treatments, prescribe medications and controlled substances, and providing psychotherapy, all under the exclusive licensure authority of the State Board of Nursing. This is the model recommended by the National Academy of Medicine, formerly called the Institute of Medicine, and the National Council of State Boards of Nursing. In Idaho, Washington, Oregon, and several other States, Nurse Practitioners have full practice authority. 

Studies have shown Nurse Practitioners are equivalent to Medical Doctors in regards to providing patient satisfaction, health and functional status, the number of emergency department visits, and number of hospitalizations.

Meridian Advanced Psychiatry is Now Open in Meridian, Caldwell, and Eagle!

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Specializations & Services

Opioid Use Disorder

Opioid use disorder and addiction involves using an opioid drug compulsively and being overwhelmingly set on finding, getting, and using that drug.

Alcohol Use Disorder

Alcohol use disorder is defined by a pattern of alcohol use that involves issues controlling drinking, being overly preoccupied with alcohol, using it regardless of problems, and having to drink more to get the same effect.

Sedative Use Disorder

Regular use of sedative-hypnotic drugs can often lead to drug tolerance. That’s when the body adjusts, and then needs a high dose to reach the same effect.

Depression, Anxiety & PTSD

Depression, anxiety and PSTD are very different, but the symptoms can often be similar. Nervousness, irritability, and problems with sleep and concentrating can be caused by either condition.


Insomnia is defined by difficulty falling or staying asleep. It can come in many forms, but the common factor is an overall poor-quality sleep that doesn’t leave the individual refreshed after waking up.


We are one of the limited providers that has computerized software that can accurately test for ADHD/ADD. Children and adults facing ADHD/ADD typically have more difficulty concentrating and paying attention which can negatively impact school, careers and life.


Bipolar disorder, which is also known as manic-depressive disorder, can cause sudden and unusual shifts in mood, energy, activity levels, and the ability to do daily tasks.


Schizophrenia involves a range of characteristics, behaviors and emotions. Symptoms can vary, but they typically involve delusions, hallucinations, disorganized speech, and impaired ability to function. 

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