Therapist

Diane Marie Quinn

2930 Inland Empire Blvd, Suite 120, Ontario, California, 91764-4802

About Diane Marie Quinn

Diane Marie Quinn is a therapist based in Ontario, California who is specialized in Counselor. Her current practice location is 2930 Inland Empire Blvd, Suite 120, Ontario. Patients can reach her at 909-980-6700 or can fax her at 909-980-6003. Diane Marie Quinn NPI number (Unique professional ID assigned by NPPES) is 1184947251.

Diane Marie Quinn 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

Diane Marie Quinn 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 Diane Marie Quinn
Specialization Counselor
Gender Female
Practice Address: 2930 Inland Empire Blvd, Suite 120
Ontario, CA - 91764-4802
Fax 909-980-6003

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 Number1184947251
NPI Enumeration Date: 03 Mar, 2010
NPI Last Update On: 03 Mar, 2010

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 Diane Marie Quinn are as mentioned below.

License NumberSpecializationStateStatus
Counselor Primary

Mailing Address

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

Diane Marie Quinn
2930 Inland Empire Blvd, Suite 120
Ontario, CA - 91764-4802
Phone: 909-980-6700
Fax: 909-980-6003

Book an Appointment with Diane Marie Quinn

To schedule an appointment, contact Diane Marie Quinn at 2930 Inland Empire Blvd, Suite 120, Ontario, California or call on below stated phone number.

Book an Appointment

Frequently Asked Questions

Below are some commonly asked questions about Diane Marie Quinn:

Diane Marie Quinn is a therapist specializing in Counselor. She 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.

Yes, Diane Marie Quinn 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.

Diane Marie Quinn practices at 2930 Inland Empire Blvd, Suite 120, Ontario, California, 91764-4802.

To schedule an appointment with Diane Marie Quinn, please contact the office at 909-980-6700.

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