Psychologist | Clinical Psychology

Mariah Diane Corey, PHD

4040 S 188th St Ste 201, Seatac, Washington, 98188-5070

About Mariah Diane Corey

Mariah Diane Corey is a psychologist based in Seatac, Washington who is specialized in Clinical Psychology. Active license number of Mariah Diane Corey is PY61663553 for General Psychology in Washington. Her current practice location is 4040 S 188th St Ste 201, Seatac. Patients can contact her at 206-277-7200 or can fax her at 206-277-7202. Mariah Diane Corey, PHD, specializes in Clinical Psychology and her NPI number (Unique professional ID assigned by NPPES) is 1942028386.

Mariah Diane Corey 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

Mariah Diane Corey'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 Mariah Diane Corey
Specialization Clinical Psychology
Credentials PHD
Gender Female
Practice Address: 4040 S 188th St Ste 201,
Seatac, WA - 98188-5070
Fax 206-277-7202

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 Number1942028386
NPI Enumeration Date: 02 Oct, 2024
NPI Last Update On: 07 Jul, 2026

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 Mariah Diane Corey are as mentioned below.

License NumberSpecializationStateStatus
PY61663553General Psychology WashingtonPrimary
PY61663553Clinical Psychology WashingtonSecondary

Mailing Address

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

Mariah Diane Corey
955 Powell Ave Sw,
Renton, WA - 98057-2908
Phone: 425-277-1311
Fax: 425-277-1566

Book an Appointment with Mariah Diane Corey

To schedule an appointment, contact Mariah Diane Corey at 4040 S 188th St Ste 201, Seatac, Washington or call the phone number listed below.

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Frequently Asked Questions

Below are some commonly asked questions about Mariah Diane Corey:

Mariah Diane Corey is a psychologist specializing in General Psychology. She is specialized in psychological testing and evaluating or assessing patient's personal characteristics, such as intelligence, personality, abilities, interests, aptitudes, and neuropsychological functioning. Accordingly, she performs counseling, psychoanalysis, psychotherapy, hypnosis, biofeedback, and behavior analysis and therapy. She can diagnose and treat mental and emotional disorder or disability, alcoholism and substance abuse, disorders of habit or conduct, as well as of the psychological aspects of physical illness, accident, injury, or disability by psycheducational evaluation, therapy, remediation, and consultation.

Yes, Mariah Diane Corey 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.

Mariah Diane Corey practices at 4040 S 188th St Ste 201, Seatac, Washington, 98188-5070.

To schedule an appointment with Mariah Diane Corey, please contact the office at 206-277-7200.

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