Arnold Jay Klein, M.D.

Sports Medicine

Portland, OR

Specialty

Sports Medicine

Credential

M.D.

NPI

1427162536

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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Procedures & Specialty

Arnold Jay Klein specializes in Sports Medicine procedures performed in an outpatient ambulatory surgical setting.

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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.