Psychologist | General Psychology

William Fiala, PHD

1700 Adams Ave Ste 214, Costa Mesa, California, 92626-4865

About William Fiala

William Fiala is a psychologist based in Costa Mesa, California who is specialized in General Psychology. Active license number of William Fiala is PSY17213 for General Psychology in California. His current practice location is 1700 Adams Ave Ste 214, Costa Mesa. Patients can reach him at 714-957-1973. William Fiala is PHD in General Psychology and his NPI number (Unique professional ID assigned by NPPES) is 1336055896.

William Fiala is specialized in psychological testing and evaluating or assessing patient's personal characteristics, such as intelligence, personality, abilities, interests, aptitudes, and neuropsychological functioning. Accordingly, he performs counseling, psychoanalysis, psychotherapy, hypnosis, biofeedback, and behavior analysis and therapy. He can diagnose and treat mental and emotional disorder or disability, alcoholism and substance abuse, disorders of habit or conduct, as well as of the psychological aspects of physical illness, accident, injury, or disability by psycheducational evaluation, therapy, remediation, and consultation.

Practice Information

William Fiala 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 William Fiala
Specialization General Psychology
Credentials PHD
Gender Male
Practice Address: 1700 Adams Ave Ste 214,
Costa Mesa, CA - 92626-4865

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 Number1336055896
NPI Enumeration Date: 24 Aug, 2026
NPI Last Update On: 24 Aug, 2026

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 William Fiala are as mentioned below.

License NumberSpecializationStateStatus
PSY17213General Psychology CaliforniaPrimary

Mailing Address

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

William Fiala
1700 Adams Ave Ste 214,
Costa Mesa, CA - 92626-4865
Phone: 714-957-1973

Book an Appointment with William Fiala

To schedule an appointment, contact William Fiala at 1700 Adams Ave Ste 214, Costa Mesa, California or call on below stated phone number.

Call to Book an Appointment

Frequently Asked Questions

Below are some commonly asked questions about William Fiala:

William Fiala is a psychologist specializing in General Psychology. He is specialized in psychological testing and evaluating or assessing patient's personal characteristics, such as intelligence, personality, abilities, interests, aptitudes, and neuropsychological functioning. Accordingly, he performs counseling, psychoanalysis, psychotherapy, hypnosis, biofeedback, and behavior analysis and therapy. He can diagnose and treat mental and emotional disorder or disability, alcoholism and substance abuse, disorders of habit or conduct, as well as of the psychological aspects of physical illness, accident, injury, or disability by psycheducational evaluation, therapy, remediation, and consultation.

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

William Fiala practices at 1700 Adams Ave Ste 214, Costa Mesa, California, 92626-4865.

To schedule an appointment with William Fiala, please contact the office at 714-957-1973.

Reviews & Feedback

Have you visited William Fiala? Share your experience to help others looking for psychologist in Costa Mesa, CA.

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