Psychologist | Clinical Psychology

Dr. Richard James Lettieri, PH.D.

7 Corporate Park, Suite 235, Santa Ana, California, 92705

About Dr. Richard James Lettieri

Dr. Richard James Lettieri is a psychologist based in Santa Ana, California who is specialized in Clinical Psychology. Active license number of Dr. Richard James Lettieri is PSY8265 for Clinical Psychology in California. His current practice location is 7 Corporate Park, Suite 235, Santa Ana. Patients can contact him at 949-476-1984 or can fax him at 949-852-0220. Dr. Richard James Lettieri, PH.D., specializes in Clinical Psychology and his NPI number (Unique professional ID assigned by NPPES) is 1881780716.

Dr. Richard James Lettieri 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. Richard James Lettieri'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. Richard James Lettieri
Specialization Clinical Psychology
Credentials PH.D.
Gender Male
Practice Address: 7 Corporate Park, Suite 235
Santa Ana, CA - 92705
Fax 949-852-0220

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 Number1881780716
NPI Enumeration Date: 05 Oct, 2006
NPI Last Update On: 08 Jul, 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. Richard James Lettieri are as mentioned below.

License NumberSpecializationStateStatus
PSY8265Clinical 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. Richard James Lettieri
7 Corporate Park, Suite 235
Santa Ana, CA - 92705
Phone: 949-476-1984
Fax: 949-852-0220

Book an Appointment with Dr. Richard James Lettieri

To schedule an appointment, contact Dr. Richard James Lettieri at 7 Corporate Park, Suite 235, Santa Ana, California or call the phone number listed below.

Book an Appointment

Frequently Asked Questions

Below are some commonly asked questions about Dr. Richard James Lettieri:

Dr. Richard James Lettieri 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. Richard James Lettieri 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. Richard James Lettieri practices at 7 Corporate Park, Suite 235, Santa Ana, California, 92705.

To schedule an appointment with Dr. Richard James Lettieri, please contact the office at 949-476-1984.

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