Katharine F Marshall, MD

Internal Medicine

Portland, OR

Specialty

Internal Medicine

Credential

NPI

1891143327

Affiliated Facility

Interstate Ambulatory Surgery Center

3500 N Interstate Ave., Portland, OR 97227

(800) 813-2000

Medicare★ 4.4 Google (273)95% Patient Rating

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About this profile: Surgeon information is sourced from the CMS National Plan and Provider Enumeration System (NPPES) NPI Registry and reflects the practice address on file as of February 2026. Facility affiliation is based on matching practice address to CMS-certified ambulatory surgery center locations.

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Internal Medicine

This surgeon specializes in internal medicine procedures performed in an outpatient ambulatory surgical setting.

NUCC Taxonomy: 207R00000X

Affiliated Surgery Center

Interstate Ambulatory Surgery Center

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