Psychologist | Clinical Psychology

Dr. Masami Ohnui, PSYD

Po Box 592, Guerneville, California, 95446-0592

About Dr. Masami Ohnui

Dr. Masami Ohnui is a psychologist based in Guerneville, California who is specialized in Clinical Psychology. Active license number of Dr. Masami Ohnui is PSY34946 for Clinical Psychology in California. Her current practice location is Po Box 592, Guerneville. Patients can contact her at 707-799-5488. Dr. Masami Ohnui, PSYD, specializes in Clinical Psychology and her NPI number (Unique professional ID assigned by NPPES) is 1255643037.

Dr. Masami Ohnui is a mental health professional with highly specialized training in the diagnosis and psychological treatment of mental, behavioral and emotional illnesses, including obsessive-compulsive disorder (OCD). Her main focus is on diagnosing and treating mental, emotional, and behavioral disorders. Some of the common disorders that she can treat are learning disabilities, substance abuse, depression, anxiety, and eating disorders.

Practice Information

Dr. Masami Ohnui'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. Masami Ohnui
Specialization Clinical Psychology
Credentials PSYD
Gender Female
Practice Address: Po Box 592,
Guerneville, CA - 95446-0592

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 Number1255643037
NPI Enumeration Date: 08 Jul, 2010
NPI Last Update On: 28 Jul, 2025

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. Masami Ohnui are as mentioned below.

License NumberSpecializationStateStatus
PSY34946Clinical 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. Masami Ohnui
Po Box 592,
Guerneville, CA - 95446-0592
Phone: 707-799-5488

Book an Appointment with Dr. Masami Ohnui

To schedule an appointment, contact Dr. Masami Ohnui at Po Box 592, Guerneville, California or call the phone number listed below.

Book an Appointment

Frequently Asked Questions

Below are some commonly asked questions about Dr. Masami Ohnui:

Dr. Masami Ohnui is a psychologist specializing in Clinical Psychology. She is a mental health professional with highly specialized training in the diagnosis and psychological treatment of mental, behavioral and emotional illnesses, including obsessive-compulsive disorder (OCD). Her main focus is on diagnosing and treating mental, emotional, and behavioral disorders. Some of the common disorders that she can treat are learning disabilities, substance abuse, depression, anxiety, and eating disorders.

Yes, Dr. Masami Ohnui 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. Masami Ohnui practices at Po Box 592, Guerneville, California, 95446-0592.

To schedule an appointment with Dr. Masami Ohnui, please contact the office at 707-799-5488.

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