Addiction Therapist

Melissa M Williamson, CADCI

998 Library Ct, Oregon City, Oregon, 97045-4041

About Melissa M Williamson

Melissa M Williamson is a therapist based in Oregon City, Oregon who is specialized in Addiction (Substance Use Disorder) Counselor. Her current practice location is 998 Library Ct, Oregon City. Patients can reach her at 503-655-8401 or can fax her at 503-655-8429. Melissa M Williamson is CADCI in Addiction (Substance Use Disorder) Counselor and her NPI number (Unique professional ID assigned by NPPES) is 1184822033.

Melissa M 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

Melissa M 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 Melissa M Williamson
Specialization Addiction (Substance Use Disorder) Counselor
Credentials CADCI
Gender Female
Practice Address: 998 Library Ct,
Oregon City, OR - 97045-4041
Fax 503-655-8429

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 Number1184822033
NPI Enumeration Date: 03 Jul, 2007
NPI Last Update On: 08 Jul, 2007

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 Melissa M Williamson 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.

Melissa M Williamson
998 Library Ct,
Oregon City, OR - 97045-4041
Phone: 503-655-8401
Fax: 503-655-8429

Book an Appointment with Melissa M Williamson

To schedule an appointment, contact Melissa M Williamson at 998 Library Ct, Oregon City, Oregon or call on below stated phone number.

Call to Book an Appointment

Frequently Asked Questions

Below are some commonly asked questions about Melissa M Williamson:

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

Melissa M Williamson practices at 998 Library Ct, Oregon City, Oregon, 97045-4041.

To schedule an appointment with Melissa M Williamson, please contact the office at 503-655-8401.

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