Psychologist | Adult Development & Aging Psychology

Dr. Ronald Marc Sharrin, PHD

20774 Hillside Dr, Topanga, California, 90290-3615

About Dr. Ronald Marc Sharrin

Dr. Ronald Marc Sharrin is a psychologist based in Topanga, California who is specialized in Adult Development & Aging Psychology. Active license number of Dr. Ronald Marc Sharrin is PSY5775 for Adult Development & Aging Psychology in California. His current practice location is 20774 Hillside Dr, Topanga. Patients can contact him at 310-455-1200. Dr. Ronald Marc Sharrin, PHD, specializes in Adult Development & Aging Psychology and his NPI number (Unique professional ID assigned by NPPES) is 1306142112.

Dr. Ronald Marc Sharrin provide support to individuals at all points of life who are facing developmental issues or problems related to aging.
Adult development & aging psychologist help patients to deal with motor skill development, language acquisition, emotional development, the emergence of self-awareness and self-concept, cognitive development during childhood and throughout life, social and cultural influences on child development, personality development, moral reasoning, developmental challenges and learning disabilities.

Practice Information

Dr. Ronald Marc Sharrin'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. Ronald Marc Sharrin
Specialization Adult Development & Aging Psychology
Credentials PHD
Gender Male
Practice Address: 20774 Hillside Dr,
Topanga, CA - 90290-3615

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 Number1306142112
NPI Enumeration Date: 27 Jan, 2011
NPI Last Update On: 27 Jan, 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 Dr. Ronald Marc Sharrin are as mentioned below.

License NumberSpecializationStateStatus
PSY5775Adult Development & Aging 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.

Dr. Ronald Marc Sharrin
20774 Hillside Dr,
Topanga, CA - 90290-3615
Phone: 310-455-1200

Book an Appointment with Dr. Ronald Marc Sharrin

To schedule an appointment, contact Dr. Ronald Marc Sharrin at 20774 Hillside Dr, Topanga, California or call the phone number listed below.

Book an Appointment

Frequently Asked Questions

Below are some commonly asked questions about Dr. Ronald Marc Sharrin:

Dr. Ronald Marc Sharrin is a psychologist specializing in Adult Development & Aging Psychology. He provide support to individuals at all points of life who are facing developmental issues or problems related to aging.
Adult development & aging psychologist help patients to deal with motor skill development, language acquisition, emotional development, the emergence of self-awareness and self-concept, cognitive development during childhood and throughout life, social and cultural influences on child development, personality development, moral reasoning, developmental challenges and learning disabilities.

Yes, Dr. Ronald Marc Sharrin 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. Ronald Marc Sharrin practices at 20774 Hillside Dr, Topanga, California, 90290-3615.

To schedule an appointment with Dr. Ronald Marc Sharrin, please contact the office at 310-455-1200.

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