Mental Health Therapist

Marissa Dawn Oneill, CAPDT

1724 Bryant St, San Francisco, California, 94110-1406

About Marissa Dawn Oneill

Marissa Dawn Oneill is a therapist based in San Francisco, California who is specialized in Mental Health Counselor. Active license number of Marissa Dawn Oneill is 24546 for Addiction (Substance Use Disorder) Counselor in California. Her current practice location is 1724 Bryant St, San Francisco. Patients can reach her at 415-558-9125. Marissa Dawn Oneill is CAPDT in Mental Health Counselor and her NPI number (Unique professional ID assigned by NPPES) is 1649110255.

Marissa Dawn Oneill is a licensed professional who helps individuals, couples, and families manage and overcome emotional, psychological, and behavioral challenges. She assess clients’ mental health conditions and develop personalized treatment plans to provide therapy for a range of mental health issues, including anxiety, depression, trauma, relationship issues, stress, grief, and life transitions.

Practice Information

Marissa Dawn Oneill 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 Marissa Dawn Oneill
Specialization Mental Health Counselor
Credentials CAPDT
Gender Female
Practice Address: 1724 Bryant St,
San Francisco, CA - 94110-1406

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 Number1649110255
NPI Enumeration Date: 31 Mar, 2026
NPI Last Update On: 31 Mar, 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 Marissa Dawn Oneill are as mentioned below.

License NumberSpecializationStateStatus
24546Addiction (Substance Use Disorder) Counselor CaliforniaPrimary
24546Mental Health Counselor CaliforniaSecondary

Mailing Address

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

Marissa Dawn Oneill
222 Taylor St Apt M2,
San Francisco, CA - 94102-2934
Phone: 415-987-5237

Book an Appointment with Marissa Dawn Oneill

To schedule an appointment, contact Marissa Dawn Oneill at 1724 Bryant St, San Francisco, California or call on below stated phone number.

Call to Book an Appointment

Frequently Asked Questions

Below are some commonly asked questions about Marissa Dawn Oneill:

Marissa Dawn Oneill 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, Marissa Dawn Oneill is currently accepting new patients. To schedule an appointment, contact the office directly and schedule an appointment.

Marissa Dawn Oneill practices at 1724 Bryant St, San Francisco, California, 94110-1406.

To schedule an appointment with Marissa Dawn Oneill, please contact the office at 415-558-9125.

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