Addiction Therapist

Mr. William Thomas Ryan Meristem, BA, QMHA

De Paul Treatment Centers, 1312 Sw Washington, Portland, Oregon, 97208-3007

About Mr. William Thomas Ryan Meristem

Mr. William Thomas Ryan Meristem is a therapist based in Portland, Oregon who is specialized in Addiction (Substance Use Disorder) Counselor. His current practice location is De Paul Treatment Centers, 1312 Sw Washington, Portland. Patients can reach him at 503-535-1150. Mr. William Thomas Ryan Meristem is BA, QMHA in Addiction (Substance Use Disorder) Counselor and his NPI number (Unique professional ID assigned by NPPES) is 1548602774.

Mr. William Thomas Ryan Meristem is a licensed mental health therapist who help individuals struggling with addiction of alcohol, drug, or other substance use disorder. He helps his 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

Mr. William Thomas Ryan Meristem 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 Mr. William Thomas Ryan Meristem
Specialization Addiction (Substance Use Disorder) Counselor
Credentials BA, QMHA
Gender Male
Practice Address: De Paul Treatment Centers, 1312 Sw Washington
Portland, OR - 97208-3007

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 Number1548602774
NPI Enumeration Date: 30 Jul, 2013
NPI Last Update On: 28 Oct, 2014

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 Mr. William Thomas Ryan Meristem 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.

Mr. William Thomas Ryan Meristem
De Paul Treatment Centers, Po Box 3007
Portland, OR - 97208-3007
Phone: 503-535-1150

Book an Appointment with Mr. William Thomas Ryan Meristem

To schedule an appointment, contact Mr. William Thomas Ryan Meristem at De Paul Treatment Centers, 1312 Sw Washington, Portland, Oregon or call on below stated phone number.

Call to Book an Appointment

Frequently Asked Questions

Below are some commonly asked questions about Mr. William Thomas Ryan Meristem:

William Thomas Ryan Meristem is a therapist specializing in Addiction (Substance Use Disorder) Counselor. He is a licensed mental health therapist who help individuals struggling with addiction of alcohol, drug, or other substance use disorder. He helps his 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, William Thomas Ryan Meristem is currently accepting new patients. To schedule an appointment, contact the office directly and schedule an appointment.

William Thomas Ryan Meristem practices at De Paul Treatment Centers, 1312 Sw Washington, Portland, Oregon, 97208-3007.

To schedule an appointment with William Thomas Ryan Meristem, please contact the office at 503-535-1150.

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