Psychiatrist

Joshua Issler, MD

17234 Valley Blvd, Fontana, California, 92335

About Joshua Issler

Joshua Issler is a psychiatrist based in Fontana, California who is specialized in Psychiatry. His current practice location is 17234 Valley Blvd, Fontana. Patients can contact him at 909-427-5679. Joshua Issler, MD, specializes in Psychiatry and his NPI number (Unique professional ID assigned by NPPES) is 1710735816.

Joshua Issler 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

Joshua Issler'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 Joshua Issler
Specialization Psychiatry
Credentials MD
Gender Male
Practice Address: 17234 Valley Blvd,
Fontana, CA - 92335

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 Number1710735816
NPI Enumeration Date: 13 May, 2024
NPI Last Update On: 24 Feb, 2026

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 Joshua Issler are as mentioned below.

License NumberSpecializationStateStatus
Psychiatry Primary
14854Psychiatry CaliforniaSecondary

Mailing Address

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

Joshua Issler
17234 Valley Blvd,
Fontana, CA - 92335

Book an Appointment with Joshua Issler

To schedule an appointment, contact Joshua Issler at 17234 Valley Blvd, Fontana, California or call the phone number listed below.

Book an Appointment

Frequently Asked Questions

Below are some commonly asked questions about Joshua Issler:

Joshua Issler 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, Joshua Issler 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.

Joshua Issler practices at 17234 Valley Blvd, Fontana, California, 92335.

To schedule an appointment with Joshua Issler, please contact the office at 909-427-5679.

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