Psychologist | General Psychology

Dr. John Richard Quinlan, PSYD

8301 Elm Ave, Suite 513, Rancho Cucamonga, California, 91730-3899

About Dr. John Richard Quinlan

Dr. John Richard Quinlan is a psychologist based in Rancho Cucamonga, California who is specialized in General Psychology. Active license number of Dr. John Richard Quinlan is PSY23794 for General Psychology in California. His current practice location is 8301 Elm Ave, Suite 513, Rancho Cucamonga. Patients can contact him at 714-905-9595. Dr. John Richard Quinlan, PSYD, specializes in General Psychology and his NPI number (Unique professional ID assigned by NPPES) is 1821363896.

Dr. John Richard Quinlan 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

Dr. John Richard Quinlan'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. John Richard Quinlan
Specialization General Psychology
Credentials PSYD
Gender Male
Practice Address: 8301 Elm Ave, Suite 513
Rancho Cucamonga, CA - 91730-3899

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 Number1821363896
NPI Enumeration Date: 09 Mar, 2012
NPI Last Update On: 17 Feb, 2015

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. John Richard Quinlan are as mentioned below.

License NumberSpecializationStateStatus
PSY23794General Psychology CaliforniaPrimary
23794Clinical Psychology 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. John Richard Quinlan
5317 Cochin Ave,
Arcadia, CA - 91006-5912
Phone: 714-905-9595

Book an Appointment with Dr. John Richard Quinlan

To schedule an appointment, contact Dr. John Richard Quinlan at 8301 Elm Ave, Suite 513, Rancho Cucamonga, California or call the phone number listed below.

Book an Appointment

Frequently Asked Questions

Below are some commonly asked questions about Dr. John Richard Quinlan:

Dr. John Richard Quinlan 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, Dr. John Richard Quinlan 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. John Richard Quinlan practices at 8301 Elm Ave, Suite 513, Rancho Cucamonga, California, 91730-3899.

To schedule an appointment with Dr. John Richard Quinlan, please contact the office at 714-905-9595.

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