Marissa Richelle Flenniken

Addiction (Substance Use Disorder) Counselor


  1234 Empire St Ste 2200, Fairfield
     California, 94533-5711
  707-439-7830    Maps & Directions
Marissa Richelle Flenniken is a Fairfield, California based counselor who is specialized as Addiction (Substance Use Disorder) Counselor. Active license number of Marissa Richelle Flenniken is 89412 for Mental Health Counselor in California. Her current practice location is 1234 Empire St Ste 2200, Fairfield. Patients can book an appointment with her at 707-439-7830.
Marissa Richelle Flenniken 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.
Complete Profile:
Marissa Richelle Flenniken 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: Marissa Richelle Flenniken
Specialization: Addiction (Substance Use Disorder) Counselor
Gender:Female
Accepts Medicare Assignment:No
Practice Address:1234 Empire St Ste 2200, Fairfield,
California, 94533-5711
Phone:707-439-7830
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: 1235650649
NPI Enumeration Date: 06 Jul, 2017
NPI Last Update On: 17 Jun, 2019

Medical Licenses:
Doctors can have one or more medical licenses for different specialities in the same state or different states. Related medical licenses for Marissa Richelle Flenniken are as mentioned below.
License NumberSpecializationStateStatus
89412Mental Health Counselor CaliforniaPrimary
Addiction (Substance Use Disorder) Counselor Secondary
Business Mailing Address:
Business mailing address can be used for mailing purpose only, for visiting purpose patients need to refer above mentioned address.
Address: 1234 Empire St Ste 2200,
Fairfield, California
Zip: 94533-5711
Phone Number: 707-439-7830
Patients can reach Marissa Richelle Flenniken at 1234 Empire St Ste 2200, Fairfield, California or can call to book an appointment on 707-439-7830.
*Data of this site is collected from Medicare & Medicaid Services (CMS) and NPPES. Last updated on 09 June, 2025.

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