Robert Warren Maahs

Addiction (Substance Use Disorder) Counselor


  815 Buena Vista Ave W, San Francisco
     California, 94117-4108
  415-519-4185    Maps & Directions
Robert Warren Maahs is a San Francisco, California based counselor who is specialized as Addiction (Substance Use Disorder) Counselor. Active license number of Robert Warren Maahs is 15056 for Addiction (Substance Use Disorder) Counselor in California. His current practice location is 815 Buena Vista Ave W, San Francisco. Patients can book an appointment with him at 415-519-4185.
Robert Warren Maahs 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:
Robert Warren Maahs 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: Robert Warren Maahs
Specialization: Addiction (Substance Use Disorder) Counselor
Gender:Male
Accepts Medicare Assignment:No
Practice Address:815 Buena Vista Ave W, San Francisco,
California, 94117-4108
Phone:415-519-4185
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: 1114704442
NPI Enumeration Date: 11 Sep, 2023
NPI Last Update On: 18 Apr, 2024

Medical Licenses:
Doctors can have one or more medical licenses for different specialities in the same state or different states. Related medical licenses for Robert Warren Maahs are as mentioned below.
License NumberSpecializationStateStatus
15056Addiction (Substance Use Disorder) Counselor CaliforniaPrimary
R1423250321Addiction (Substance Use Disorder) Counselor CaliforniaSecondary
Business Mailing Address:
Business mailing address can be used for mailing purpose only, for visiting purpose patients need to refer above mentioned address.
Address: 915 Bryant St,
San Francisco, California
Zip: 94103-4514
Phone Number: 415-777-9953
Fax Number: 415-777-4717
Patients can reach Robert Warren Maahs at 815 Buena Vista Ave W, San Francisco, California or can call to book an appointment on 415-519-4185.
*Data of this site is collected from Medicare & Medicaid Services (CMS) and NPPES. Last updated on 09 June, 2025.

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