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

Marguerite R Stewart, MD

Individual provider Obstetrics & Gynecology Physician · NPI 1861474843

Marguerite R Stewart, MD is an Obstetrics/Gynecology in Tualatin, Oregon. Graduated from Wayne State University School of Medicine in 1985, 41 years ago. Practices with Womens Healthcare Associates LLC, a 104-clinician group and accepts Medicare assignment. Licensed in Oregon.

Years since qualifying
41
Trained at
Wayne State University School of Medicine
Licensed in
OR
In the registry since
2005
What do these letters mean?
MD — Doctor of Medicine
A physician who completed allopathic medical school.

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Practice location Address checks out

19250 SW 65th Ave Ste 300
Tualatin, OR 97062-7707
Phone: (503) 692-1242
Fax: (503) 691-3615
Show map & directions

Pin is approximate — placed at the ZIP-code centre, not the exact door.

Specialties & licences

Obstetrics & Gynecology Physician (primary) Taxonomy 207V00000X · Licence MD22723 (OR)

Record details

NPI number1861474843
Entity typeIndividual (Type 1)
GenderFemale
Credentials MD
Sole proprietorNo
NPI enumeratedNovember 16, 2005
Last updated in NPPESJanuary 30, 2026
Certification dateJanuary 30, 2026

Medicare enrollment

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

Medicare specialtyOBSTETRICS/GYNECOLOGY
Medical schoolWAYNE STATE UNIVERSITY SCHOOL OF MEDICINE
Graduated 1985 (41 years in practice)
Group practice Womens Healthcare Associates Llc — 104 clinicians
Accepts Medicare assignment Yes — accepts the Medicare-approved amount

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