Psychiatrist

Dr. Joseph Guadalupe Marquez, D.O.

7285 Quill Dr, Downey, California, 90242-2001

About Dr. Joseph Guadalupe Marquez

Dr. Joseph Guadalupe Marquez is a psychiatrist based in Downey, California who is specialized in Psychiatry. Active license number of Dr. Joseph Guadalupe Marquez is 20A8470 for Child & Adolescent Psychiatry in California. His current practice location is 7285 Quill Dr, Downey. Patients can contact him at 562-940-6077. Dr. Joseph Guadalupe Marquez, D.O., specializes in Psychiatry and his NPI number (Unique professional ID assigned by NPPES) is 1902989528.

Dr. Joseph Guadalupe Marquez 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

Dr. Joseph Guadalupe Marquez'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 Dr. Joseph Guadalupe Marquez
Specialization Psychiatry
Credentials D.O.
Gender Male
Practice Address: 7285 Quill Dr,
Downey, CA - 90242-2001

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 Number1902989528
NPI Enumeration Date: 24 Oct, 2006
NPI Last Update On: 31 Jan, 2011

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 Dr. Joseph Guadalupe Marquez are as mentioned below.

License NumberSpecializationStateStatus
20A8470Child & Adolescent Psychiatry CaliforniaPrimary
20A8470Psychiatry CaliforniaSecondary

Mailing Address

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

Dr. Joseph Guadalupe Marquez
11351 Baskerville Rd,
Rossmoor, CA - 90720-2927

Book an Appointment with Dr. Joseph Guadalupe Marquez

To schedule an appointment, contact Dr. Joseph Guadalupe Marquez at 7285 Quill Dr, Downey, California or call the phone number listed below.

Book an Appointment

Frequently Asked Questions

Below are some commonly asked questions about Dr. Joseph Guadalupe Marquez:

Dr. Joseph Guadalupe Marquez is a psychiatrist specializing in Child & Adolescent Psychiatry. He has done additional skills and training in the diagnosis and treatment of developmental, behavioral, emotional, and mental disorders of childhood and adolescence.

Yes, Dr. Joseph Guadalupe Marquez 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.

Dr. Joseph Guadalupe Marquez practices at 7285 Quill Dr, Downey, California, 90242-2001.

To schedule an appointment with Dr. Joseph Guadalupe Marquez, please contact the office at 562-940-6077.

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