Mental Health Therapist

Holly Dias

9500 Haven Ave, Rancho Cucamonga, California, 91730-5807

About Holly Dias

Holly Dias is a therapist based in Rancho Cucamonga, California who is specialized in Mental Health Counselor. Active license number of Holly Dias is APCC18540 for Mental Health Counselor in California. Her current practice location is 9500 Haven Ave, Rancho Cucamonga. Patients can reach her at 877-522-7187. Holly Dias NPI number (Unique professional ID assigned by NPPES) is 1376161422.

Holly Dias is a licensed professional who helps individuals, couples, and families manage and overcome emotional, psychological, and behavioral challenges. She assess clients’ mental health conditions and develop personalized treatment plans to provide therapy for a range of mental health issues, including anxiety, depression, trauma, relationship issues, stress, grief, and life transitions.

Practice Information

Holly Dias speciality, credentials, practice address, contact phone number and fax are as below. Patients can call on the below given phone number for appointment.

Provider Name Holly Dias
Specialization Mental Health Counselor
Gender Female
Practice Address: 9500 Haven Ave,
Rancho Cucamonga, CA - 91730-5807

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 Number1376161422
NPI Enumeration Date: 06 Jul, 2020
NPI Last Update On: 05 May, 2025

Medical Licenses:

Healthcare professionals can hold one or more medical licenses for different specialities in the same state or different states. Related medical licenses for Holly Dias are as mentioned below.

License NumberSpecializationStateStatus
APCC18540Mental Health Counselor CaliforniaPrimary
Mental Health Counselor Secondary

Mailing Address

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

Holly Dias
9500 Haven Ave,
Rancho Cucamonga, CA - 91730-5807
Phone: 877-522-7187

Book an Appointment with Holly Dias

To schedule an appointment, contact Holly Dias at 9500 Haven Ave, Rancho Cucamonga, California or call on below stated phone number.

Call to Book an Appointment

Frequently Asked Questions

Below are some commonly asked questions about Holly Dias:

Holly Dias is a therapist specializing in Mental Health Counselor. She is a licensed professional who helps individuals, couples, and families manage and overcome emotional, psychological, and behavioral challenges. She assess clients’ mental health conditions and develop personalized treatment plans to provide therapy for a range of mental health issues, including anxiety, depression, trauma, relationship issues, stress, grief, and life transitions.

Yes, Holly Dias is currently accepting new patients. To schedule an appointment, contact the office directly and schedule an appointment.

Holly Dias practices at 9500 Haven Ave, Rancho Cucamonga, California, 91730-5807.

To schedule an appointment with Holly Dias, please contact the office at 877-522-7187.

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