John Walter Marshall is a San Diego, California based counselor who is specialized as Addiction (Substance Use Disorder) Counselor. Active license number of John Walter Marshall is 12527 for Addiction (Substance Use Disorder) Counselor in California. His current practice location is 4065 3rd Ave, San Diego. Patients can book an appointment with him at 619-515-2545.
John Walter Marshall 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.
Complete Profile:
John Walter Marshall speciality, credentials, practice address, contact phone number and fax are as below.
Patients can directly walk in or can call on the below given phone number for appointment.
Name:
John Walter Marshall
Specialization:
Addiction (Substance Use Disorder) Counselor
Gender:
Male
Credentials:
SUDCC
Accepts Medicare Assignment:
No
Practice Address:
4065 3rd Ave, San Diego, California, 92103-2184
Phone:
619-515-2545
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 Number:
1285394114
NPI Enumeration Date:
20 Dec, 2021
NPI Last Update On:
26 Feb, 2025
Medical Licenses:
Doctors can have one or more medical licenses for different specialities in the same state or different states. Related medical licenses for John Walter Marshall are as mentioned below.
License Number
Specialization
State
Status
12527
Addiction (Substance Use Disorder) Counselor
California
Primary
Business Mailing Address:
Business mailing address can be used for mailing purpose only, for visiting purpose patients need to refer above mentioned address.
Address:
6515 Glenroy St, San Diego, California
Zip:
92120-2715
Phone Number:
619-756-1537
Patients can reach John Walter Marshall at 4065 3rd Ave, San Diego, California or can call to book an appointment on 619-515-2545. *Data of this site is collected from Medicare & Medicaid Services (CMS) and NPPES. Last updated on 09 June, 2025.