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

Mary Oconnor

Individual provider Internal Medicine Physician · NPI 1700840691

Mary Oconnor is an Internal Medicine in Seattle, Washington. Graduated from Indiana University School of Medicine in 1987, 39 years ago. Practices with Neighborcare Health, a 102-clinician group, works from 2 locations and accepts Medicare assignment. Licensed in Washington.

Years since qualifying
39
Trained at
Indiana University School of Medicine
Licensed in
WA
In the registry since
2006
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Practice location Address checks out

3901 Hoyt Ave
Seattle, WA 98201-4918
Phone: (425) 259-0966
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Pin is approximate — placed at the ZIP-code centre, not the exact door.

Additional practice locations (1)

  • 201 16th Ave E, Seattle, WA 98112-5226 — (206) 326-3000

Specialties & licences

Internal Medicine Physician (primary) Taxonomy 207R00000X · Licence 28887 (WA)

Record details

NPI number1700840691
Entity typeIndividual (Type 1)
GenderFemale
Sole proprietorNo
NPI enumeratedApril 17, 2006
Last updated in NPPESMay 20, 2021
Certification dateMay 20, 2021

Medicare enrollment

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

Medicare specialtyINTERNAL MEDICINE
Medical schoolINDIANA UNIVERSITY SCHOOL OF MEDICINE
Graduated 1987 (39 years in practice)
Group practice Neighborcare Health — 102 clinicians
Accepts Medicare assignment Yes — accepts the Medicare-approved amount

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