Psychologist | Clinical Psychology

Dr. Gregg Allen Lewis, PSYD

18826 N Lower Sacramento Rd, Suite C, Woodbridge, California, 95258-9290

About Dr. Gregg Allen Lewis

Dr. Gregg Allen Lewis is a psychologist based in Woodbridge, California who is specialized in Clinical Psychology. Active license number of Dr. Gregg Allen Lewis is PSY15313 for Clinical Psychology in California. His current practice location is 18826 N Lower Sacramento Rd, Suite C, Woodbridge. Patients can contact him at 209-368-2532. Dr. Gregg Allen Lewis, PSYD, specializes in Clinical Psychology and his NPI number (Unique professional ID assigned by NPPES) is 1184891996.

Dr. Gregg Allen Lewis 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. Gregg Allen Lewis'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. Gregg Allen Lewis
Specialization Clinical Psychology
Credentials PSYD
Gender Male
Practice Address: 18826 N Lower Sacramento Rd, Suite C
Woodbridge, CA - 95258-9290

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 Number1184891996
NPI Enumeration Date: 12 May, 2008
NPI Last Update On: 03 Nov, 2010

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. Gregg Allen Lewis are as mentioned below.

License NumberSpecializationStateStatus
PSY15313Clinical 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. Gregg Allen Lewis
18826 Lower Sacramento Rd., Suite C
Woodbridge, CA - 95258-9290
Phone: 209-368-2532

Book an Appointment with Dr. Gregg Allen Lewis

To schedule an appointment, contact Dr. Gregg Allen Lewis at 18826 N Lower Sacramento Rd, Suite C, Woodbridge, California or call the phone number listed below.

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Frequently Asked Questions

Below are some commonly asked questions about Dr. Gregg Allen Lewis:

Dr. Gregg Allen Lewis 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. Gregg Allen Lewis 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. Gregg Allen Lewis practices at 18826 N Lower Sacramento Rd, Suite C, Woodbridge, California, 95258-9290.

To schedule an appointment with Dr. Gregg Allen Lewis, please contact the office at 209-368-2532.

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