Photo of Guilaine Guillaume, Psychiatric Nurse Practitioner, PMHNP
Guilaine Guillaume
Psychiatric Nurse Practitioner, PMHNP
Email Me
or
Email Me
Photo of Guilaine Guillaume, Psychiatric Nurse Practitioner, PMHNP

Guilaine Guillaume

Psychiatric Nurse Practitioner, PMHNP

Verified by Psychology Today Verified by Psychology Today
7 Endorsed
Call Me
Let's Connect (772) 888-1669
Photo of Guilaine Guillaume, Psychiatric Nurse Practitioner, PMHNP
Available both in-person and online
Port Saint Lucie, FL 34986
I work with adolescents and adults experiencing anxiety, depression, trauma, mood disorders, and life stressors. Many clients come to me feeling overwhelmed, stuck, or seeking a more personalized approach to care. I provide a supportive, nonjudgmental space focused on thorough evaluation, medication management when appropriate, and practical strategies to improve daily functioning. My goal is to help clients gain clarity, build resilience, and achieve lasting emotional balance.
As a Psychiatric–Mental Health Nurse Practitioner (PMHNP), I treat anxiety, depression, trauma, mood disorders, and burnout. I provide comprehensive evaluations and personalized medication management in a discreet, collaborative setting, helping you restore clarity, balance, and consistent high-level functioning.
If you’ve been feeling overwhelmed, stuck, or not like yourself, you’re not alone. As a PMHNP, I offer a supportive, judgment-free space with personalized care to help you regain clarity, balance, and control. When you’re ready, I invite you to take the next step toward feeling like yourself again.
Call or Guilaine Guillaume now for a free 15 minute consultation - (772) 888-1669

My Practice at a Glance

Available both in-person and online

Port Saint Lucie, FL 34986

(772) 888-1669

Palm Bay, FL 32905

My website
Initial Session Fee $150, Standard Visit $100, I accept insurance 
I see individuals, couples and families  
Let's Connect (772) 888-1669
Photo of Guilaine Guillaume, Psychiatric Nurse Practitioner, PMHNP

My Practice at a Glance

Available both in-person and online

Port Saint Lucie, FL 34986

(772) 888-1669

Palm Bay, FL 32905

My website
Initial Session Fee $150, Standard Visit $100, I accept insurance 
I see individuals, couples and families  

Finances

Fees

  • Initial Session Fee $150
  • Standard Visit $100

Payment Methods

Cash, Discover, Mastercard, Visa, Zelle

Insurance

  • Aetna
  • Carelon Behavioral Health
  • Cigna and Evernorth
  • Optum
  • Oscar Health
Photo of Guilaine Guillaume, Psychiatric Nurse Practitioner, PMHNP
Guilaine Guillaume
Psychiatric Nurse Practitioner, PMHNP
Check fees and, if listed, ask to verify your insurance coverage. or (772) 888-1669
Photo of Guilaine Guillaume, Psychiatric Nurse Practitioner, PMHNP
Guilaine Guillaume
Psychiatric Nurse Practitioner, PMHNP
Check fees and, if listed, ask to verify your insurance coverage. or (772) 888-1669

Qualifications

  • Verified by Psychology Today License: Florida / APRN11044280 Guilaine Guillaume
Photo of Guilaine Guillaume, Psychiatric Nurse Practitioner, PMHNP
Guilaine Guillaume
Psychiatric Nurse Practitioner, PMHNP
Feel free to ask about qualifications and training experience. or (772) 888-1669
Photo of Guilaine Guillaume, Psychiatric Nurse Practitioner, PMHNP
Guilaine Guillaume
Psychiatric Nurse Practitioner, PMHNP
Feel free to ask about qualifications and training experience. or (772) 888-1669

Specialties and Expertise

Expertise

  • ADHD
  • Anxiety
  • Behavioral Issues
  • Bipolar Disorder
  • Bisexual
  • Depression
  • Dual Diagnosis
  • Emotional Disturbance
  • Geriatric and Seniors
  • Grief
  • Impulse Control Disorders
  • Lesbian
  • LGBTQ+
  • Marital and Premarital
  • Medication Management
  • Mood Disorders
  • Obsessive-Compulsive (OCD)
  • Personality Disorders
  • Pregnancy, Prenatal, Postpartum
  • Testing and Evaluation
  • Thinking Disorders
  • Transgender
  • Trauma and PTSD
Photo of Guilaine Guillaume, Psychiatric Nurse Practitioner, PMHNP
Guilaine Guillaume
Psychiatric Nurse Practitioner, PMHNP
Do these issues align with your needs? or (772) 888-1669
Photo of Guilaine Guillaume, Psychiatric Nurse Practitioner, PMHNP
Guilaine Guillaume
Psychiatric Nurse Practitioner, PMHNP
Do these issues align with your needs? or (772) 888-1669

7 Endorsements

Jeriece K LoveIace
Jeriece K LoveIace
Psychiatric Nurse PractitionerDNP(c)APRNPMHNP
Guillaume provides compassionate, patient-centered care and creates a safe space where clients feel heard and supported. Professional, thoughtful, and dedicated to helping individuals achieve emotional wellness.
Carlet Parker-Dunn
Carlet Parker-Dunn
Psychiatric Nurse PractitionerMSNAPRNPMHNP
Guilaine is a warm, thoughtful, and highly dedicated clinician. She brings compassion, clarity, and professionalism to her work, creating a safe space where clients feel genuinely supported.
Errette Fenelon Merantier
Errette Fenelon Merantier
Psychiatric Nurse PractitionerPMHNP
I highly recommend my Guilaine. She is compassionate, knowledgeable, and committed to providing excellent patient
Luwam Amedie
Luwam Amedie
Psychiatric Nurse PractitionerMSNAPRNPMHNPBC
Guilaine Guillaume is a trusted and dedicated clinician who approaches care with kindness, patience, and professionalism. She creates a supportive environment where clients feel heard, respected, and guided toward meaningful progress.
Zachary Hagar
Zachary Hagar
Psychiatric Nurse PractitionerAPRNPMHNP
I highly recommend Guilaine as a Psychiatric Mental Health Nurse Practitioner. Guilaine is compassionate, professional and truly dedicated to providing quality patient care. She has a calm and approachable demeanor that helps patients feel heard.
Robert Beckford
Robert Beckford
Psychiatric Nurse PractitionerAPRNPMHNPBC
Guilaine is a highly competent, compassionate PMHNP whose professionalism and patient-focused approach make her an outstanding clinician.
Asifa Bajwa
Asifa Bajwa
Psychiatric Nurse PractitionerPMHNPMSN
Guilaine Guillaume is a caring and skilled mental health professional who provides compassionate, evidence-based care. She listens with empathy, values each client's unique needs, and is dedicated to supporting lasting emotional health and personal growth.

Client Focus

Age

Preteen
Teen
Adults
Elders (65+)

Participants

Individuals
Couples
Family

I also speak

Creole

Age

Preteen
Teen
Adults
Elders (65+)

Participants

Individuals
Couples
Family

I also speak

Creole

Location

Primary Location

Port Saint Lucie, FL 34986

(772) 888-1669

Additional Location

Palm Bay, FL 32905

(772) 888-1669
Photo of Guilaine Guillaume, Psychiatric Nurse Practitioner, PMHNP
Guilaine Guillaume
Psychiatric Nurse Practitioner, PMHNP
Call for a free consultation now - (772) 888-1669
Photo of Guilaine Guillaume, Psychiatric Nurse Practitioner, PMHNP
Guilaine Guillaume
Psychiatric Nurse Practitioner, PMHNP
Call for a free consultation now - (772) 888-1669