Psychologist | Clinical Psychology

Dr. Matthew Ralph De Haan, PSY.D.

16000 Bothell Everett Hwy, Suite 340, Mill Creek, Washington, 98012-1742

About Dr. Matthew Ralph De Haan

Dr. Matthew Ralph De Haan is a psychologist based in Mill Creek, Washington who is specialized in Clinical Psychology. Active license number of Dr. Matthew Ralph De Haan is 60337257 for Clinical Psychology in Washington. His current practice location is 16000 Bothell Everett Hwy, Suite 340, Mill Creek. Patients can contact him at 425-780-7184. Dr. Matthew Ralph De Haan, PSY.D., specializes in Clinical Psychology and his NPI number (Unique professional ID assigned by NPPES) is 1578870648.

Dr. Matthew Ralph De Haan 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. Matthew Ralph De Haan'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. Matthew Ralph De Haan
Specialization Clinical Psychology
Credentials PSY.D.
Gender Male
Practice Address: 16000 Bothell Everett Hwy, Suite 340
Mill Creek, WA - 98012-1742

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 Number1578870648
NPI Enumeration Date: 09 Sep, 2010
NPI Last Update On: 02 Jun, 2015

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. Matthew Ralph De Haan are as mentioned below.

License NumberSpecializationStateStatus
60337257Clinical 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. Matthew Ralph De Haan
112 216th St Sw,
Bothell, WA - 98021-7528
Phone: 619-307-1420

Book an Appointment with Dr. Matthew Ralph De Haan

To schedule an appointment, contact Dr. Matthew Ralph De Haan at 16000 Bothell Everett Hwy, Suite 340, Mill Creek, Washington or call the phone number listed below.

Book an Appointment

Frequently Asked Questions

Below are some commonly asked questions about Dr. Matthew Ralph De Haan:

Dr. Matthew Ralph De Haan 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. Matthew Ralph De Haan 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. Matthew Ralph De Haan practices at 16000 Bothell Everett Hwy, Suite 340, Mill Creek, Washington, 98012-1742.

To schedule an appointment with Dr. Matthew Ralph De Haan, please contact the office at 425-780-7184.

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