Marquetta Williamson
ARNP | Nurse Practitioner - Psych/Mental Health
325 9th Ave, Seattle
Washington, 98104-2420
206-520-5000
Marquetta Williamson is a Seattle, Washington based nurse practitioner who is specialized as Psych/Mental Health nurse. Active license number of Marquetta Williamson is AP61643314 for Psych/Mental Health in Washington. Her current practice location is 325 9th Ave, Seattle. Patients can reach her at 206-520-5000. Marquetta Williamson is ARNP with specialization in Psych/Mental Health and her NPI number (Unique professional ID assigned by NPPES) is 1487127742.
Marquetta Williamson provides a full range of primary mental health care services, including biopsychosocial assessment and diagnosis of patients with mental illness and co-occurring disorders. Treatment modalities include both medication and psychotherapeutic management. Psych/Mental Health Nurse Practitioner (PMHNP) works in a variety of settings, including inpatient, emergency and community-based mental health services.
Complete Profile:
Marquetta Williamson speciality, credentials, practice address, contact phone number and fax are as below.
Patients can call on the below given phone number for appointment.
| Name: | Marquetta Williamson |
| Specialization: | Psych/Mental Health Nurse Practitioner (PMHNP) |
| Gender: | Female |
| Credentials: | ARNP |
| Practice Address: | 325 9th Ave, Seattle,
Washington, 98104-2420 |
| Phone: | 206-520-5000 |
Professional Identification Codes:
NPI number stands for National Provider Identifier which is a unique 10-digit identification number issued to health care providers in the United States by the Centers for Medicare and Medicaid Services (CMS).
NPI details are as mentioned below.
| NPI Number: | 1487127742 |
| NPI Enumeration Date: | 09 Jan, 2019 |
| NPI Last Update On: | 29 Jul, 2025 |
Medical Licenses:
NPs can have one or more medical licenses for different specialities in the same state or different states. Related medical licenses for Marquetta Williamson are as mentioned below.
| License Number | Specialization | State | Status | |
| AP61643314 | Psych/Mental Health | Washington | Primary | |
| 112714 | Psych/Mental Health | Nebraska | Secondary | |
Business Mailing Address:
Business mailing address can be used for mailing purpose only, for visiting purpose patients need to refer above mentioned address.
| Address: | Marquetta Williamson
Po Box 50095,
Seattle, Washington |
| Zip: | 98145-5095 |
| Phone Number: | 206-520-5700 |
Patients can reach Marquetta Williamson at
325 9th Ave, Seattle, Washington or can
call to book an appointment on 206-520-5000.
Comments/ Reviews:
Patients can read all the reviews posted for Marquetta Williamson below. You may also share your own experience like the quality of treatment, behavior, and overall care provided by Marquetta Williamson. It will help others make informed decisions.
Data of this site is collected from Medicare & Medicaid Services (CMS) and NPPES. Last updated on 13 October, 2025.