Psychologist

Mr. Ryan O Chadderton, PSYD.

10331 Stanford Ave, Garden Grove, California, 92840-6351

About Mr. Ryan O Chadderton

Mr. Ryan O Chadderton is a psychologist based in Garden Grove, California who is specialized in Psychology. Active license number of Mr. Ryan O Chadderton is 164428 for Psychology in California. His current practice location is 10331 Stanford Ave, Garden Grove. Patients can contact him at 714-663-6391. Mr. Ryan O Chadderton, PSYD., specializes in Psychology and his NPI number (Unique professional ID assigned by NPPES) is 1609998335.

Mr. Ryan O Chadderton 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

Mr. Ryan O Chadderton'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 Mr. Ryan O Chadderton
Specialization Psychology
Credentials PSYD.
Gender Male
Practice Address: 10331 Stanford Ave,
Garden Grove, CA - 92840-6351

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 Number1609998335
NPI Enumeration Date: 04 Apr, 2007
NPI Last Update On: 30 Jul, 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 Mr. Ryan O Chadderton are as mentioned below.

License NumberSpecializationStateStatus
164428Psychology CaliforniaPrimary
General Psychology CaliforniaSecondary
Rehabilitation Practitioner Secondary

Mailing Address

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

Mr. Ryan O Chadderton
10331 Stanford Ave,
Garden Grove, CA - 92840-6351
Phone: 714-663-6391

Book an Appointment with Mr. Ryan O Chadderton

To schedule an appointment, contact Mr. Ryan O Chadderton at 10331 Stanford Ave, Garden Grove, California or call the phone number listed below.

Book an Appointment

Frequently Asked Questions

Below are some commonly asked questions about Mr. Ryan O Chadderton:

Mr. Ryan O Chadderton is a psychologist specializing in 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, Mr. Ryan O Chadderton 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.

Mr. Ryan O Chadderton practices at 10331 Stanford Ave, Garden Grove, California, 92840-6351.

To schedule an appointment with Mr. Ryan O Chadderton, please contact the office at 714-663-6391.

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