Professional Therapist

Loni Marcus

200 Michigan Ave, Vista, California, 92084-5424

About Loni Marcus

Loni Marcus is a therapist based in Vista, California who is specialized in Professional Counselor. Her current practice location is 200 Michigan Ave, Vista. Patients can reach her at 760-726-4900 or can fax her at 760-681-0778. Loni Marcus NPI number (Unique professional ID assigned by NPPES) is 1851840250.

Loni Marcus is a licensed mental health practitioner trained to help individuals, couples, and groups address emotional, psychological, and behavioral challenges. She uses talk therapy and evidence-based counseling methods to support clients in managing mental health conditions, improving relationships, and developing coping strategies for life’s difficulties.

Practice Information

Loni Marcus specialty, credentials, practice address, contact phone number and fax are as below. Patients can contact the office at the given phone number for appointment.

Provider Name Loni Marcus
Specialization Professional Counselor
Gender Female
Practice Address: 200 Michigan Ave,
Vista, CA - 92084-5424
Fax 760-681-0778

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 Number1851840250
NPI Enumeration Date: 26 Sep, 2016
NPI Last Update On: 26 Sep, 2016

Medical Licenses:

Healthcare professionals can hold one or more medical licenses for different specialties in the same state or different states. Related medical licenses for Loni Marcus are as mentioned below.

License NumberSpecializationStateStatus
Professional Counselor Primary

Mailing Address

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

Loni Marcus
200 Michigan Ave,
Vista, CA - 92084-5424
Phone: 760-726-4900
Fax: 760-681-0778

Book an Appointment with Loni Marcus

To schedule an appointment, contact Loni Marcus at 200 Michigan Ave, Vista, California or call on below stated phone number.

Book an Appointment

Frequently Asked Questions

Below are some commonly asked questions about Loni Marcus:

Loni Marcus is a therapist specializing in Professional Counselor. She is a licensed mental health practitioner trained to help individuals, couples, and groups address emotional, psychological, and behavioral challenges. She uses talk therapy and evidence-based counseling methods to support clients in managing mental health conditions, improving relationships, and developing coping strategies for life’s difficulties.

Yes, Loni Marcus is currently accepting new patients. To schedule an appointment, contact the office directly and schedule an appointment.
*Availability may change. Please contact the office directly to ask about appointments.

Loni Marcus practices at 200 Michigan Ave, Vista, California, 92084-5424.

To schedule an appointment with Loni Marcus, please contact the office at 760-726-4900.

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