Psychiatrist

Dr. William Mac Young, M.D.

11770 Warner Ave, Suite 226, Fountain Valley, California, 92708-2663

About Dr. William Mac Young

Dr. William Mac Young is a psychiatrist based in Fountain Valley, California who is specialized in Psychiatry. Active license number of Dr. William Mac Young is C27892 for Psychiatry in California. His current practice location is 11770 Warner Ave, Suite 226, Fountain Valley. Patients can contact him at 714-241-8560 or can fax him at 714-241-8576. Dr. William Mac Young, M.D., specializes in Psychiatry and his NPI number (Unique professional ID assigned by NPPES) is 1073537098.

Dr. William Mac Young 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. William Mac Young'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. William Mac Young
Specialization Psychiatry
Credentials M.D.
Gender Male
Practice Address: 11770 Warner Ave, Suite 226
Fountain Valley, CA - 92708-2663
Fax 714-241-8576

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 Number1073537098
NPI Enumeration Date: 26 Jul, 2006
NPI Last Update On: 08 Jul, 2007

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. William Mac Young are as mentioned below.

License NumberSpecializationStateStatus
C27892Psychiatry CaliforniaPrimary

Mailing Address

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

Dr. William Mac Young
11770 Warner Ave, Suite 226
Fountain Valley, CA - 92708-2663
Phone: 714-241-8560
Fax: 714-241-8576

Book an Appointment with Dr. William Mac Young

To schedule an appointment, contact Dr. William Mac Young at 11770 Warner Ave, Suite 226, Fountain Valley, California or call the phone number listed below.

Book an Appointment

Frequently Asked Questions

Below are some commonly asked questions about Dr. William Mac Young:

Dr. William Mac Young 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, Dr. William Mac Young 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. William Mac Young practices at 11770 Warner Ave, Suite 226, Fountain Valley, California, 92708-2663.

To schedule an appointment with Dr. William Mac Young, please contact the office at 714-241-8560.

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