Provider records sourced from NPPES (CMS National Plan & Provider Enumeration System). Data current as of August 10, 2026.
NPIDirectory

Mary Oestreich, ARNP

Individual provider Nurse Practitioner · NPI 1073165593

Mary Oestreich, ARNP is a Nurse Practitioner in Everett, Washington. Graduated from University of Washington School of Medicine in 2019, 7 years ago. Practices with Optum Care Washington PLLC, a 685-clinician group, works from 2 locations, accepts Medicare assignment and offers telehealth. Licensed in Washington.

Years since qualifying
7
Trained at
University of Washington School of Medicine
Licensed in
WA
In the registry since
2019
Specialties on file
2
What do these letters mean?
ARNP — Advanced Registered Nurse Practitioner
The title some states use for an advanced practice nurse.

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Practice location Address checks out

3927 Rucker Ave
Everett, WA 98201-4833
Phone: (425) 339-5421
Fax: (425) 317-3975
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Pin is approximate — placed at the ZIP-code centre, not the exact door.

Additional practice locations (1)

  • 4011 172nd St Ne, Arlington, WA 98223 — (425) 259-0966

Specialties & licences

Nurse Practitioner (primary) Taxonomy 363L00000X · Licence AP60969818 (WA)
Nurse Practitioner Taxonomy 363L00000X · Licence RN60361509 (WA)

Record details

NPI number1073165593
Entity typeIndividual (Type 1)
GenderFemale
Credentials ARNP
Sole proprietorNo
NPI enumeratedJuly 15, 2019
Last updated in NPPESApril 22, 2026
Certification dateApril 22, 2026
Mailing address7600 Evergreen Way, Everett, WA 98203-6421

Medicare enrollment

From the CMS Doctors & Clinicians file — this clinician is enrolled in Medicare.

Medicare specialtyNURSE PRACTITIONER
Medical schoolUNIVERSITY OF WASHINGTON SCHOOL OF MEDICINE
Graduated 2019 (7 years in practice)
Group practice Optum Care Washington Pllc — 685 clinicians
Accepts Medicare assignment Yes — accepts the Medicare-approved amount
TelehealthOffers telehealth services

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