Rita A. Kostelik DNP, ARNP

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Accepting New Patients

New patients must have a referral from a Polyclinic physician.


American Nurses Credentialing Center (ANCC) Board Certified Adult Nurse Practitioner, Board Certified Family Psychiatric Mental Health Nurse Practitioner


Rita received her bachelor of science in nursing at the University of Wisconsin, Milwaukee. She earned her master of science in nursing at Seattle Pacific University, becoming an adult nurse practitioner. Rita completed a post-master certificate at Seattle University gaining the title of family psychiatric mental health nurse practitioner. Rita also earned a doctor of nursing practice at Seattle University.

Career Influence

“My experience as a health care provider in medical missions in developing countries inspired me to take this career path.”

Clinical Interests

Rita’s practice interests include women’s mental health conditions occurring during menopause, chronic disease, abuse, and past traumas and mental health conditions in the millennial generation.

Personal Interests

Outside of work, Rita enjoys outdoor activities including running, hiking, kayaking, camping, biking, show shoeing, and traveling both nationally and internationally.

Practice Philosophy

“I work to meet the unique mental health needs of patients of diverse backgrounds.”

Clinical Research

Rita was involved with a Seattle University nursing practice research project that uses psychoeducation as a tool of empowerment for women-survivors of intimate partner violence.


English and some medical Spanish

Hospital Affiliations

Swedish Medical Center

Teaching Involvement

Rita has taught at Northwest University College as an adjunct professor. She has also led a CME session for PeaceHealth primary care providers on ‘Antipsychotic Use in Primary Care.’

Community Involvement

Rita has volunteered at Community Health Clinics, mentored the homeless at Union Gospel Mission, served as a volunteer skills instructor at a shelter for women and child survivors of domestic violence.

Professional Involvement

American College of Nurse Practitioners, Association of Advanced Practice Psychiatric Nurses


Graduate student of the year – Seattle Pacific University