Mental Health Therapist

Mark Hallahan

1664 Broadway, Halcyon Center, El Cajon, California, 92021-5201

About Mark Hallahan

Mark Hallahan is a therapist based in El Cajon, California who is specialized in Mental Health Counselor. His current practice location is 1664 Broadway, Halcyon Center, El Cajon. Patients can reach him at 619-579-8658. Mark Hallahan NPI number (Unique professional ID assigned by NPPES) is 1780995779.

Mark Hallahan is a licensed professional who helps individuals, couples, and families manage and overcome emotional, psychological, and behavioral challenges. He 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

Mark Hallahan 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 Mark Hallahan
Specialization Mental Health Counselor
Gender Male
Practice Address: 1664 Broadway, Halcyon Center
El Cajon, CA - 92021-5201

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 Number1780995779
NPI Enumeration Date: 24 Jun, 2010
NPI Last Update On: 24 Jun, 2010

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 Mark Hallahan are as mentioned below.

License NumberSpecializationStateStatus
Mental Health 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.

Mark Hallahan
1664 Broadway, Halcyon Center
El Cajon, CA - 92021-5201
Phone: 619-579-8658

Book an Appointment with Mark Hallahan

To schedule an appointment, contact Mark Hallahan at 1664 Broadway, Halcyon Center, El Cajon, California or call on below stated phone number.

Call to Book an Appointment

Frequently Asked Questions

Below are some commonly asked questions about Mark Hallahan:

Mark Hallahan is a therapist specializing in Mental Health Counselor. He is a licensed professional who helps individuals, couples, and families manage and overcome emotional, psychological, and behavioral challenges. He 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.

Yes, Mark Hallahan is currently accepting new patients. To schedule an appointment, contact the office directly and schedule an appointment.

Mark Hallahan practices at 1664 Broadway, Halcyon Center, El Cajon, California, 92021-5201.

To schedule an appointment with Mark Hallahan, please contact the office at 619-579-8658.

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