Addiction Therapist

Sonja Lynn Mcmillan, SUDP

21 Niederman Rd Ste C, Oakville, Washington, 98568-8904

About Sonja Lynn Mcmillan

Sonja Lynn Mcmillan is a therapist based in Oakville, Washington who is specialized in Addiction (Substance Use Disorder) Counselor. Active license number of Sonja Lynn Mcmillan is CP60449347 for Addiction (Substance Use Disorder) Counselor in Washington. Her current practice location is 21 Niederman Rd Ste C, Oakville. Patients can reach her at 360-709-1733. Sonja Lynn Mcmillan is SUDP in Addiction (Substance Use Disorder) Counselor and her NPI number (Unique professional ID assigned by NPPES) is 1134363963.

Sonja Lynn Mcmillan 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

Sonja Lynn Mcmillan 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 Sonja Lynn Mcmillan
Specialization Addiction (Substance Use Disorder) Counselor
Credentials SUDP
Gender Female
Practice Address: 21 Niederman Rd Ste C,
Oakville, WA - 98568-8904

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 Number1134363963
NPI Enumeration Date: 23 Apr, 2009
NPI Last Update On: 14 Jan, 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 Sonja Lynn Mcmillan are as mentioned below.

License NumberSpecializationStateStatus
CP60449347Addiction (Substance Use Disorder) Counselor WashingtonPrimary

Mailing Address

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

Sonja Lynn Mcmillan
21 Niederman Rd Ste C,
Oakville, WA - 98568-8904
Phone: 360-709-1733

Book an Appointment with Sonja Lynn Mcmillan

To schedule an appointment, contact Sonja Lynn Mcmillan at 21 Niederman Rd Ste C, Oakville, Washington or call on below stated phone number.

Call to Book an Appointment

Frequently Asked Questions

Below are some commonly asked questions about Sonja Lynn Mcmillan:

Sonja Lynn Mcmillan 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, Sonja Lynn Mcmillan is currently accepting new patients. To schedule an appointment, contact the office directly and schedule an appointment.

Sonja Lynn Mcmillan practices at 21 Niederman Rd Ste C, Oakville, Washington, 98568-8904.

To schedule an appointment with Sonja Lynn Mcmillan, please contact the office at 360-709-1733.

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