John C Sternquist, MD

Surgery

Yankton, SD

Specialty

Surgery

Credential

NPI

1649271230

Affiliated Facility

Yankton Medical Clinic Ambulatory Surgery Center

1104 W. 8th St., Yankton, SD 57078

(605) 665-7841

Medicare★ 4.8 Google (1294)98% Patient Rating

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Procedures & Specialty

John C Sternquist specializes in Surgery 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.