Addiction Therapist

Angel Guillen

916 N Mountain Ave Ste A, Upland, California, 91786-3658

About Angel Guillen

Angel Guillen is a therapist based in Upland, California who is specialized in Addiction (Substance Use Disorder) Counselor. Her current practice location is 916 N Mountain Ave Ste A, Upland. Patients can reach her at 909-932-1069 or can fax her at 909-932-1087. Angel Guillen NPI number (Unique professional ID assigned by NPPES) is 1316250541.

Angel Guillen 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

Angel Guillen 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 Angel Guillen
Specialization Addiction (Substance Use Disorder) Counselor
Gender Female
Practice Address: 916 N Mountain Ave Ste A,
Upland, CA - 91786-3658
Fax 909-932-1087

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 Number1316250541
NPI Enumeration Date: 16 Jul, 2010
NPI Last Update On: 16 Jul, 2010

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 Angel Guillen 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.

Angel Guillen
916 N Mountain Ave Ste A,
Upland, CA - 91786-3658
Phone: 909-932-1069
Fax: 909-932-1087

Book an Appointment with Angel Guillen

To schedule an appointment, contact Angel Guillen at 916 N Mountain Ave Ste A, Upland, California or call on below stated phone number.

Call to Book an Appointment

Frequently Asked Questions

Below are some commonly asked questions about Angel Guillen:

Angel Guillen 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, Angel Guillen is currently accepting new patients. To schedule an appointment, contact the office directly and schedule an appointment.

Angel Guillen practices at 916 N Mountain Ave Ste A, Upland, California, 91786-3658.

To schedule an appointment with Angel Guillen, please contact the office at 909-932-1069.

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