Live
Read now

Aspirus St. Luke's Superior Clinic

4.7 out of 5 · 92 reviews

Internal Medicine • Superior, WI

About

Aspirus St. Luke’s Superior Clinic is part of Aspirus Health, a non-profit health system based in Wausau, Wisconsin. In March 2024, Aspirus combined with Saint Luke’s Duluth to form a single organization that includes Saint Luke’s hospital in Duluth and Lake View Hospital in Two Harbors, expanding Aspirus’s reach into northern Minnesota. The merger decision was announced in early 2024, with related activities such as branding updates in mid-2024. The overall system includes 19 hospitals across Wisconsin, Minnesota, and Michigan’s western Upper Peninsula. For Ambulatory/clinic services, the St. Luke’s Duluth footprint (now under Aspirus) extends into the Superior/Bayfield region area, including clinics in and around Superior, WI, and Duluth, MN, as part of the integrated Aspirus network. Luke’s Duluth network with aligned scheduling, patient records, and coordinated specialty services.

Clinic Type

Internal Medicine

Address

109 North 28th Street East, Superior, WI 54880

Phone

(715) 395-3900

Email

—

Opening Hours

Mon 8:00AM - 4:30PM; Tue 8:00AM - 4:30PM; Wed 8:00AM - 4:30PM; Thu 8:00AM - 4:30PM; Fri 8:00AM - 4:30PM; Sat Closed; Sun Closed

Services Offered

  • Family Medicine
  • Nephrology
  • Ophthalmology
  • Orthopaedic Surgery
  • Physical Therapy
  • Surgery, General
  • Urology
  • Internal Medicine

Team

  • Sarah Greeman — APRN, CNP
  • Jennifer Marksteiner — APR N, CNP

Insurance & Payment

  • Please contact the doctor's office to verify that your insurance is accepted.

Please contact the doctor's office to verify that your insurance is accepted.

Languages Spoken

—

FAQs

What are the hours of operation?

Mon-Fri 8:00AM - 4:30PM; Sat Closed; Sun Closed

Photos

What Patients Say

Overall sentiment across review platforms: mixed

  • Aspirus Provider Website: 4.7 out of 5 stars (92 ratings)

Patients praise

  • professional and personable care from specific providers
  • positive feedback regarding individual provider experiences
  • general clinical patient rating of 4.7 out of 5 stars

Common complaints

  • reports of misdiagnosis and lack of proper examination
  • concerns regarding communication and dismissive attitudes from staff
  • dissatisfaction with pain management and unnecessary procedures
  • billing issues leading to collections for small amounts

"I have been going to Dr. Yoon for years and highly recommend him. Very professional and personable. Great staff!"

— MapQuest Review

"Aspirus St. Luke's Hospital has received mixed reviews from patients, with some expressing dissatisfaction with the quality of care and communication."

— Wanderlog review summary

Synthesized from public review platforms as of Jul 11, 2026 — sources: [1][2][3][4].

Information sourced from the clinic's website as of July 11, 2026.

ClinAdsby ClinsightBuilt for clinicsYour clinic’s marketing team, powered by AI.On-brand ads, SEO, and social campaigns in one place.Generate your first clinic ad for free Clincyby ClinsightBuilt for practicesGet more revenue from the patients you already have.Voice and SMS that follow up until lapsed patients are back on the schedule.Book a Clincy call DDS RecruitPowered by ClinsightDental recruitingYour practice’s fractional recruiting team.Dental-only search, run end to end, with placements guaranteed for a year.Find your next hire

Comparing your options?

See other internal medicine clinics in Superior, or search the full directory by insurance, ratings, and more.

More Internal Medicine Clinics