Psychologist | General Psychology | 34+ years experience

Philip R Oncley, PHD

5212 Katella Ave, Suite 104, Los Alamitos, California, 90720-2828

About Philip R Oncley

Philip R Oncley is a psychologist based in Los Alamitos, California with 34 years of experience in General Psychology. He completed his graduation in 1992. He accepts the Medicare-approved amount. Patients will not be billed for any more than the Medicare deductible and coinsurance. Active license number of Philip R Oncley is PSY13762 for General Psychology in California. His current practice location is 5212 Katella Ave, Suite 104, Los Alamitos. Patients can contact him at 562-430-7986 or can fax him at 562-493-1684. Philip R Oncley, PHD, specializes in General Psychology and his NPI number (Unique professional ID assigned by NPPES) is 1689692832.

Philip R Oncley 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

Philip R Oncley'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 Philip R Oncley
Specialization General Psychology
Credentials PHD
Accepts Medicare Assignment Yes
Experience 34+ years
Graduation Year 1992
Gender Male
Practice Address: 5212 Katella Ave, Suite 104
Los Alamitos, CA - 90720-2828
Fax 562-493-1684

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.

PAC ID 5092994210
Enrollment ID I20110120000420
NPI Number1689692832
NPI Enumeration Date: 17 Jul, 2006
NPI Last Update On: 28 Dec, 2011

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 Philip R Oncley are as mentioned below.

License NumberSpecializationStateStatus
PSY13762General Psychology CaliforniaPrimary

Other Medical Identifiers

Other professional identifiers associated with Philip R Oncley such as Medicaid, Medicare PIN, NSC, UPIN etc. are mentioned as below.
IdentifierTypeStateIssuer
PSY137620MedicaidCalifornia

Mailing Address

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

Philip R Oncley
P. O. Box 90125,
Long Beach, CA - 90809-0125
Phone: 562-598-8558
Fax: 562-795-0676

Book an Appointment with Philip R Oncley

To schedule an appointment, contact Philip R Oncley at 5212 Katella Ave, Suite 104, Los Alamitos, California or call the phone number listed below.

Book an Appointment

Frequently Asked Questions

Below are some commonly asked questions about Philip R Oncley:

Philip R Oncley 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.

Philip R Oncley has approximately 34 years of experience in General Psychology.

Yes, Philip R Oncley accepts Medicare assignment, meaning the provider participates in Medicare and accepts Medicare-approved amounts for eligible services.

Yes, Philip R Oncley 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.

Philip R Oncley practices at 5212 Katella Ave, Suite 104, Los Alamitos, California, 90720-2828.

To schedule an appointment with Philip R Oncley, please contact the office at 562-430-7986.

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