Addiction Therapist

Katherine Gayle Porteous, AAS SUBSTANCE USE

1033 S Campus Ave, Ontario, California, 91761-3444

About Katherine Gayle Porteous

Katherine Gayle Porteous is a therapist based in Ontario, California who is specialized in Addiction (Substance Use Disorder) Counselor. Her current practice location is 1033 S Campus Ave, Ontario. Patients can reach her at 626-241-8451. Katherine Gayle Porteous is AAS SUBSTANCE USE in Addiction (Substance Use Disorder) Counselor and her NPI number (Unique professional ID assigned by NPPES) is 1215507009.

Katherine Gayle Porteous is a licensed mental health therapist who help individuals struggling with addiction of alcohol, drug, or other substance use disorder. She helps her clients by manage and overcome the psychological, emotional, and behavioral challenges related to substance use. Counselors also work closely with families and support systems to help them better understand their loved one’s illness. SUD counselors help to promote long-term sobriety, emotional stability, and overall mental wellness for both the individual and their family.

Practice Information

Katherine Gayle Porteous 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 Katherine Gayle Porteous
Specialization Addiction (Substance Use Disorder) Counselor
Credentials AAS SUBSTANCE USE
Gender Female
Practice Address: 1033 S Campus Ave,
Ontario, CA - 91761-3444

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 Number1215507009
NPI Enumeration Date: 25 Jun, 2021
NPI Last Update On: 25 Jun, 2021

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 Katherine Gayle Porteous are as mentioned below.

License NumberSpecializationStateStatus
Addiction (Substance Use Disorder) 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.

Katherine Gayle Porteous
1033 S Campus Ave,
Ontario, CA - 91761-3444
Phone: 626-241-8451

Book an Appointment with Katherine Gayle Porteous

To schedule an appointment, contact Katherine Gayle Porteous at 1033 S Campus Ave, Ontario, California or call on below stated phone number.

Call to Book an Appointment

Frequently Asked Questions

Below are some commonly asked questions about Katherine Gayle Porteous:

Katherine Gayle Porteous is a therapist specializing in Addiction (Substance Use Disorder) Counselor. She is a licensed mental health therapist who help individuals struggling with addiction of alcohol, drug, or other substance use disorder. She helps her clients by manage and overcome the psychological, emotional, and behavioral challenges related to substance use. Counselors also work closely with families and support systems to help them better understand their loved one’s illness. SUD counselors help to promote long-term sobriety, emotional stability, and overall mental wellness for both the individual and their family.

Yes, Katherine Gayle Porteous is currently accepting new patients. To schedule an appointment, contact the office directly and schedule an appointment.

Katherine Gayle Porteous practices at 1033 S Campus Ave, Ontario, California, 91761-3444.

To schedule an appointment with Katherine Gayle Porteous, please contact the office at 626-241-8451.

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