Psychologist | Clinical Psychology

Dr. Devon Elizabeth Singh-barrett, PH.D.

3035 Island Crest Way, Suite 110, Mercer Island, Washington, 98040-2919

About Dr. Devon Elizabeth Singh-barrett

Dr. Devon Elizabeth Singh-barrett is a psychologist based in Mercer Island, Washington who is specialized in Clinical Psychology. Active license number of Dr. Devon Elizabeth Singh-barrett is PY00003858 for Clinical Psychology in Washington. Her current practice location is 3035 Island Crest Way, Suite 110, Mercer Island. Patients can contact her at 206-275-0764. Dr. Devon Elizabeth Singh-barrett, PH.D., specializes in Clinical Psychology and her NPI number (Unique professional ID assigned by NPPES) is 1033391644.

Dr. Devon Elizabeth Singh-barrett 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. Devon Elizabeth Singh-barrett'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. Devon Elizabeth Singh-barrett
Specialization Clinical Psychology
Credentials PH.D.
Gender Female
Practice Address: 3035 Island Crest Way, Suite 110
Mercer Island, WA - 98040-2919

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 Number1033391644
NPI Enumeration Date: 05 Dec, 2007
NPI Last Update On: 05 Dec, 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. Devon Elizabeth Singh-barrett are as mentioned below.

License NumberSpecializationStateStatus
PY00003858Clinical Psychology WashingtonPrimary

Mailing Address

Business mailing address can be used for mailing purpose only, for visiting purpose patients need to refer above mentioned Practice address.

Dr. Devon Elizabeth Singh-barrett
4051 97th Ave Se,
Mercer Island, WA - 98040-4235
Phone: 206-275-0764

Book an Appointment with Dr. Devon Elizabeth Singh-barrett

To schedule an appointment, contact Dr. Devon Elizabeth Singh-barrett at 3035 Island Crest Way, Suite 110, Mercer Island, Washington or call the phone number listed below.

Book an Appointment

Frequently Asked Questions

Below are some commonly asked questions about Dr. Devon Elizabeth Singh-barrett:

Dr. Devon Elizabeth Singh-barrett 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. Devon Elizabeth Singh-barrett 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. Devon Elizabeth Singh-barrett practices at 3035 Island Crest Way, Suite 110, Mercer Island, Washington, 98040-2919.

To schedule an appointment with Dr. Devon Elizabeth Singh-barrett, please contact the office at 206-275-0764.

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