Addiction Therapist

Dr. Holly Iris Williamson, LISAC

3864 N 27th Ave, Phoenix, Arizona, 85017-4703

About Dr. Holly Iris Williamson

Dr. Holly Iris Williamson is a therapist based in Phoenix, Arizona who is specialized in Addiction (Substance Use Disorder) Counselor. Active license number of Dr. Holly Iris Williamson is 11735 for Addiction (Substance Use Disorder) Counselor in Arizona. Her current practice location is 3864 N 27th Ave, Phoenix. Patients can reach her at 602-685-6000 or can fax her at 602-212-6250. Dr. Holly Iris Williamson is LISAC in Addiction (Substance Use Disorder) Counselor and her NPI number (Unique professional ID assigned by NPPES) is 1033942438.

Dr. Holly Iris Williamson 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

Dr. Holly Iris Williamson 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 Dr. Holly Iris Williamson
Specialization Addiction (Substance Use Disorder) Counselor
Credentials LISAC
Gender Female
Practice Address: 3864 N 27th Ave,
Phoenix, AZ - 85017-4703
Fax 602-212-6250

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 Number1033942438
NPI Enumeration Date: 21 Aug, 2024
NPI Last Update On: 15 Jul, 2026

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 Dr. Holly Iris Williamson are as mentioned below.

License NumberSpecializationStateStatus
11735Addiction (Substance Use Disorder) Counselor ArizonaPrimary

Mailing Address

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

Dr. Holly Iris Williamson
3864 N 27th Ave,
Phoenix, AZ - 85017-4703
Phone: 602-685-6000
Fax: 602-212-6250

Book an Appointment with Dr. Holly Iris Williamson

To schedule an appointment, contact Dr. Holly Iris Williamson at 3864 N 27th Ave, Phoenix, Arizona or call on below stated phone number.

Call to Book an Appointment

Frequently Asked Questions

Below are some commonly asked questions about Dr. Holly Iris Williamson:

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

Holly Iris Williamson practices at 3864 N 27th Ave, Phoenix, Arizona, 85017-4703.

To schedule an appointment with Holly Iris Williamson, please contact the office at 602-685-6000.

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