Addiction Therapist

Matthew Willis

180 Sierra College Dr, Grass Valley, California, 95945-5768

About Matthew Willis

Matthew Willis is a therapist based in Grass Valley, California who is specialized in Addiction (Substance Use Disorder) Counselor. Active license number of Matthew Willis is R1236930816 for Addiction (Substance Use Disorder) Counselor in California. His current practice location is 180 Sierra College Dr, Grass Valley. Patients can reach him at 530-271-1140 or can fax him at 530-271-7036. Matthew Willis NPI number (Unique professional ID assigned by NPPES) is 1104275270.

Matthew Willis 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

Matthew Willis 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 Matthew Willis
Specialization Addiction (Substance Use Disorder) Counselor
Gender Male
Practice Address: 180 Sierra College Dr,
Grass Valley, CA - 95945-5768
Fax 530-271-7036

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 Number1104275270
NPI Enumeration Date: 08 Jun, 2016
NPI Last Update On: 08 Mar, 2017

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 Matthew Willis are as mentioned below.

License NumberSpecializationStateStatus
R1236930816Addiction (Substance Use Disorder) Counselor CaliforniaPrimary

Mailing Address

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

Matthew Willis
180 Sierra College Dr,
Grass Valley, CA - 95945-5768
Phone: 530-271-1140
Fax: 530-271-7036

Book an Appointment with Matthew Willis

To schedule an appointment, contact Matthew Willis at 180 Sierra College Dr, Grass Valley, California or call on below stated phone number.

Call to Book an Appointment

Frequently Asked Questions

Below are some commonly asked questions about Matthew Willis:

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

Matthew Willis practices at 180 Sierra College Dr, Grass Valley, California, 95945-5768.

To schedule an appointment with Matthew Willis, please contact the office at 530-271-1140.

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