Highlights
- Has Online Scheduling
Biography
Hi! My name is Guillermo and I am a board certified Psychiatric Nurse Practitioner having earned my degree at NYU. Friends and family often describe me as loyal, empathic, warm, and grounded. Close personal experience with mental illness brought me this field and I bring unique insight and a deep passion for helping others on their mental health journeys.
A bit about my approach to therapy:
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Summary
Provider Training
| University | Degree | Focus | Graduated |
|---|---|---|---|
| NYU | Masters Degree | Master of Psychiatric Mental Health Nurse Practitioner - Adults and Geriatrics | 2016 |
Experience & Accolades
| Position | Organization | Time |
|---|---|---|
| Owner and Psychiatric Provider | Psych Direct NYC | 2018 - Present |
Photos

Specialties
Languages Spoken
EnglishMedical Specialties
- Nurse Practitioner - Sub-Specialty: Psychiatric Mental Health
Years In Practice: 17 (started in 2009)
Accepts New Patients: Yes
Diaz specializes in treating the following types of patients:
- Adults
- Elderly and Geriatric Patients
Payment Options
Payment DetailsReviews
Average Rating:
Number of Reviews: 0
Most Recent Review: None
Number of Reviews: 0
Most Recent Review: None
Office & Staff Evaluation Not rated
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Locations
Affiliated Practices
Psych Direct NYC
TelehealthHicksville, NY 11801
Procedures & Services
Procedures & Treatments Offered
- ADHD
- Adult Psychiatry
- Anxiety
- Behavioral Issues
- Bipolar Disorders
- Dementia
- Depression
- Grief
- Insomnia
- Medication
- Medication Management
- Medication Refills
- Mental Health
- New Patient Visit
- Psychiatric Consultation
- Psychiatry
- Psychosis
- Schizophrenia
- Sleep Disorder
- Sleep Or Insomnia
- Stress
- Telehealth
- Telemedicine
- Trauma And Ptsd
Commonly Prescribed Medications
- medications prescribed as needed
Billing Policies & Payment Options
Guillermo Diaz, PMHNP-BC accepts the following payment methods:- Debit Cards
- Discover
- American Express
- Mastercard
- Visa
- Cash
Offers Financing/Payment Plans?: Unknown
Bills on a Sliding Scale?: Unknown
Accepted Insurance
Accepted Insurance
Guillermo Diaz, PMHNP-BC has not yet specified the insurance plans he accepts.