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

Mrs. Gwen Johanna Grewe, MD

Individual provider Internal Medicine Physician · NPI 1326014234

Mrs. Gwen Johanna Grewe, MD is an Internal Medicine in Tualatin, Oregon. Qualified in 1997, 29 years ago. Practices with Legacy Meridian Park Hospital, a 110-clinician group, accepts Medicare assignment and offers telehealth. Licensed in Oregon.

Years since qualifying
29
Licensed in
OR
In the registry since
2006
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

19875 SW 65th Ave
Tualatin, OR 97062-8353
Phone: (503) 692-7785
Fax: (503) 885-1663
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Pin is approximate — placed at the ZIP-code centre, not the exact door.

Specialties & licences

Internal Medicine Physician (primary) Taxonomy 207R00000X · Licence MD21373 (OR)

Record details

NPI number1326014234
Entity typeIndividual (Type 1)
GenderFemale
Credentials MD
Sole proprietorNo
NPI enumeratedFebruary 28, 2006
Last updated in NPPESFebruary 18, 2011

Medicare enrollment

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

Medicare specialtyINTERNAL MEDICINE
Medical schoolOTHER
Graduated 1997 (29 years in practice)
Group practice Legacy Meridian Park Hospital — 110 clinicians
Accepts Medicare assignment Yes — accepts the Medicare-approved amount
TelehealthOffers telehealth services
Practice locations2 on file with Medicare

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