Psychiatrist

Marcus Pak, MD

400 N Pepper Ave, Colton, California, 92324-1801

About Marcus Pak

Marcus Pak is a psychiatrist based in Colton, California who is specialized in Psychiatry. Active license number of Marcus Pak is 4847 for Psychiatry in California. His current practice location is 400 N Pepper Ave, Colton. Patients can contact him at 909-580-2186. Marcus Pak, MD, specializes in Psychiatry and his NPI number (Unique professional ID assigned by NPPES) is 1740819531.

Marcus Pak specializes in the prevention, diagnosis, and treatment of mental disorders, emotional disorders, psychotic disorders, mood disorders, anxiety disorders, substance-related disorders, sexual and gender identity disorders and adjustment disorders. Biologic, psychological, and social components of illnesses are explored and understood in treatment of the whole person. Tools used may include diagnostic laboratory tests, prescribed medications, evaluation and treatment of psychological and interpersonal problems with individuals and families, and intervention for coping with stress, crises, and other problems.

Practice Information

Marcus Pak's specialty, credentials, practice address, contact phone number and fax are as below. Patients can call on the below given phone number for appointment.

Provider Name Marcus Pak
Specialization Psychiatry
Credentials MD
Gender Male
Practice Address: 400 N Pepper Ave,
Colton, CA - 92324-1801

Professional Identification Codes

NPI number stands for National Provider Identifier which is a unique 10-digit identification number issued to healthcare providers in the United States by the Centers for Medicare and Medicaid Services (CMS). NPI details are as mentioned below.

NPI Number1740819531
NPI Enumeration Date: 03 Apr, 2020
NPI Last Update On: 08 Jun, 2023

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 Marcus Pak are as mentioned below.

License NumberSpecializationStateStatus
4847Psychiatry CaliforniaPrimary
4847Student in an Organized Health Care Education/Training Program CaliforniaSecondary

Mailing Address

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

Marcus Pak
7082 Stanton Ave,
Buena Park, CA - 90621-3824
Phone: 714-321-6655

Book an Appointment with Marcus Pak

To schedule an appointment, contact Marcus Pak at 400 N Pepper Ave, Colton, California or call the phone number listed below.

Book an Appointment

Frequently Asked Questions

Below are some commonly asked questions about Marcus Pak:

Marcus Pak is a psychiatrist specializing in Psychiatry. He specializes in the prevention, diagnosis, and treatment of mental disorders, emotional disorders, psychotic disorders, mood disorders, anxiety disorders, substance-related disorders, sexual and gender identity disorders and adjustment disorders. Biologic, psychological, and social components of illnesses are explored and understood in treatment of the whole person. Tools used may include diagnostic laboratory tests, prescribed medications, evaluation and treatment of psychological and interpersonal problems with individuals and families, and intervention for coping with stress, crises, and other problems.

Yes, Marcus Pak 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.

Marcus Pak practices at 400 N Pepper Ave, Colton, California, 92324-1801.

To schedule an appointment with Marcus Pak, please contact the office at 909-580-2186.

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