Psychologist | Clinical Psychology

Katherine Anne Nicolai, PH.D.

635 Nw Market St, Seattle, Washington, 98107-2711

About Katherine Anne Nicolai

Katherine Anne Nicolai is a psychologist based in Seattle, Washington who is specialized in Clinical Psychology. Active license number of Katherine Anne Nicolai is PSY29225 for Clinical Psychology in California. Her current practice location is 635 Nw Market St, Seattle. Patients can contact her at 719-338-2536. Katherine Anne Nicolai, PH.D., specializes in Clinical Psychology and her NPI number (Unique professional ID assigned by NPPES) is 1558887182.

Katherine Anne Nicolai 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

Katherine Anne Nicolai'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 Katherine Anne Nicolai
Specialization Clinical Psychology
Credentials PH.D.
Gender Female
Practice Address: 635 Nw Market St,
Seattle, WA - 98107-2711

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 Number1558887182
NPI Enumeration Date: 15 Aug, 2017
NPI Last Update On: 10 Feb, 2025

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 Katherine Anne Nicolai are as mentioned below.

License NumberSpecializationStateStatus
PSY29225Clinical Psychology CaliforniaPrimary
PY61184763Clinical 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.

Katherine Anne Nicolai
635 Nw Market St,
Seattle, WA - 98107-2711
Phone: 719-338-2536

Book an Appointment with Katherine Anne Nicolai

To schedule an appointment, contact Katherine Anne Nicolai at 635 Nw Market St, Seattle, Washington or call the phone number listed below.

Book an Appointment

Frequently Asked Questions

Below are some commonly asked questions about Katherine Anne Nicolai:

Katherine Anne Nicolai 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, Katherine Anne Nicolai 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.

Katherine Anne Nicolai practices at 635 Nw Market St, Seattle, Washington, 98107-2711.

To schedule an appointment with Katherine Anne Nicolai, please contact the office at 719-338-2536.

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