Therapist

Melissa D Diaz

1556 S Sultana Ave, Ontario, California, 91761-4238

About Melissa D Diaz

Melissa D Diaz is a therapist based in Ontario, California who is specialized in Counselor. Her current practice location is 1556 S Sultana Ave, Ontario. Patients can reach her at 909-418-6923. Melissa D Diaz NPI number (Unique professional ID assigned by NPPES) is 1750916524.

Melissa D Diaz is a trained and licensed mental health professional who helps individuals, couples, or groups manage and overcome emotional, psychological, behavioral, or relationship challenges. She works with people dealing with anxiety, depression, mood disorders, trauma, post-traumatic stress disorder (PTSD), grief and loss etc. She support her clients by understanding their thoughts, emotions, and behaviors.

Practice Information

Melissa D Diaz specialty, credentials, practice address, contact phone number and fax are as below. Patients can contact the office at the given phone number for appointment.

Provider Name Melissa D Diaz
Specialization Counselor
Gender Female
Practice Address: 1556 S Sultana Ave,
Ontario, CA - 91761-4238

Professional Identification Codes

NPI number stands for National Provider Identifier which is a unique 10-digit identification number issued to health care providers in the United States by the Centers for Medicare and Medicaid Services (CMS). NPI details are as mentioned below.

NPI Number1750916524
NPI Enumeration Date: 11 Mar, 2020
NPI Last Update On: 10 Jul, 2023

Medical Licenses:

Healthcare professionals can hold one or more medical licenses for different specialties in the same state or different states. Related medical licenses for Melissa D Diaz are as mentioned below.

License NumberSpecializationStateStatus
Student in an Organized Health Care Education/Training Program Primary
Counselor Secondary
Community Health Worker Secondary

Mailing Address

Business mailing address can be used for mailing purpose only, for visiting purpose patients need to refer above mentioned Practice address.

Melissa D Diaz
1556 S Sultana Ave,
Ontario, CA - 91761-4238
Phone: 909-418-6923

Book an Appointment with Melissa D Diaz

To schedule an appointment, contact Melissa D Diaz at 1556 S Sultana Ave, Ontario, California or call on below stated phone number.

Book an Appointment

Frequently Asked Questions

Below are some commonly asked questions about Melissa D Diaz:

Melissa D Diaz is a therapist specializing in Student in an Organized Health Care Education/Training Program. She An individual who is enrolled in an organized health care education/training program leading to a degree, certification, registration, and/or licensure to provide health care.

Yes, Melissa D Diaz is currently accepting new patients. To schedule an appointment, contact the office directly and schedule an appointment.
*Availability may change. Please contact the office directly to ask about appointments.

Melissa D Diaz practices at 1556 S Sultana Ave, Ontario, California, 91761-4238.

To schedule an appointment with Melissa D Diaz, please contact the office at 909-418-6923.

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**Data of this site is collected from Medicare & Medicaid Services (CMS) and NPPES. Last updated on 14 September, 2026.