Psychologist | Clinical Psychology

Dr. Niall William Geoghegan, PSY.D.

1761 Broadway St, Suite 100, Vallejo, California, 94589-2226

About Dr. Niall William Geoghegan

Dr. Niall William Geoghegan is a psychologist based in Vallejo, California who is specialized in Clinical Psychology. Active license number of Dr. Niall William Geoghegan is PSY-21583 for Clinical Psychology in California. His current practice location is 1761 Broadway St, Suite 100, Vallejo. Patients can contact him at 707-645-2462 or can fax him at 707-645-2181. Dr. Niall William Geoghegan, PSY.D., specializes in Clinical Psychology and his NPI number (Unique professional ID assigned by NPPES) is 1427237437.

Dr. Niall William Geoghegan 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). His main focus is on diagnosing and treating mental, emotional, and behavioral disorders. Some of the common disorders that he can treat are learning disabilities, substance abuse, depression, anxiety, and eating disorders.

Practice Information

Dr. Niall William Geoghegan'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. Niall William Geoghegan
Specialization Clinical Psychology
Credentials PSY.D.
Gender Male
Practice Address: 1761 Broadway St, Suite 100
Vallejo, CA - 94589-2226
Fax 707-645-2181

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 Number1427237437
NPI Enumeration Date: 25 Oct, 2007
NPI Last Update On: 25 Oct, 2007

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. Niall William Geoghegan are as mentioned below.

License NumberSpecializationStateStatus
PSY-21583Clinical 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. Niall William Geoghegan
1761 Broadway St, Suite 100
Vallejo, CA - 94589-2226
Phone: 707-645-2462
Fax: 707-645-2181

Book an Appointment with Dr. Niall William Geoghegan

To schedule an appointment, contact Dr. Niall William Geoghegan at 1761 Broadway St, Suite 100, Vallejo, California or call the phone number listed below.

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Frequently Asked Questions

Below are some commonly asked questions about Dr. Niall William Geoghegan:

Dr. Niall William Geoghegan is a psychologist specializing in Clinical Psychology. He 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). His main focus is on diagnosing and treating mental, emotional, and behavioral disorders. Some of the common disorders that he can treat are learning disabilities, substance abuse, depression, anxiety, and eating disorders.

Yes, Dr. Niall William Geoghegan 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. Niall William Geoghegan practices at 1761 Broadway St, Suite 100, Vallejo, California, 94589-2226.

To schedule an appointment with Dr. Niall William Geoghegan, please contact the office at 707-645-2462.

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