Professional Therapist

Cassie Duffy

28494 Westinghouse Pl Ste 304, Valencia, California, 91355-0935

About Cassie Duffy

Cassie Duffy is a therapist based in Valencia, California who is specialized in Professional Counselor. Active license number of Cassie Duffy is 153186 for Marriage & Family Therapist in California. Her current practice location is 28494 Westinghouse Pl Ste 304, Valencia. Patients can reach her at 323-476-0691. Cassie Duffy NPI number (Unique professional ID assigned by NPPES) is 1912790809.

Cassie Duffy is a licensed mental health practitioner trained to help individuals, couples, and groups address emotional, psychological, and behavioral challenges. She uses talk therapy and evidence-based counseling methods to support clients in managing mental health conditions, improving relationships, and developing coping strategies for life’s difficulties.

Practice Information

Cassie Duffy 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 Cassie Duffy
Specialization Professional Counselor
Gender Female
Practice Address: 28494 Westinghouse Pl Ste 304,
Valencia, CA - 91355-0935

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 Number1912790809
NPI Enumeration Date: 23 May, 2025
NPI Last Update On: 23 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 Cassie Duffy are as mentioned below.

License NumberSpecializationStateStatus
153186Marriage & Family Therapist CaliforniaPrimary
18718Professional Counselor CaliforniaSecondary

Mailing Address

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

Cassie Duffy
14622 Ventura Blvd Unit 366,
Sherman Oaks, CA - 91403-3600

Book an Appointment with Cassie Duffy

To schedule an appointment, contact Cassie Duffy at 28494 Westinghouse Pl Ste 304, Valencia, California or call on below stated phone number.

Call to Book an Appointment

Frequently Asked Questions

Below are some commonly asked questions about Cassie Duffy:

Cassie Duffy is a therapist specializing in Marriage & Family Therapist. She A marriage and family therapist is a person with a master's degree in marriage and family therapy, or a master's or doctoral degree in a related mental health field with substantially equivalent coursework in marriage and family therapy, who receives supervised clinical experience, or a person who meets the state requirements to practice as a marriage and family therapist. A marriage and family therapist treats mental and emotional disorders within the context of marriage and family systems. A marriage and family therapist provides mental health and counseling services to individuals, couples, families, and groups.

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

Cassie Duffy practices at 28494 Westinghouse Pl Ste 304, Valencia, California, 91355-0935.

To schedule an appointment with Cassie Duffy, please contact the office at 323-476-0691.

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