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Ascension NE Wisconsin - Mercy Hospital Koeller St. Urgent Care

Urgent Care • Oshkosh, WI • 1 Urgent Care location in Oshkosh, WI locations

About

Summary: Mary’s Hospital as part of Ascension Wisconsin, a nonprofit faith-based health system. It notes Ascension’s broad network (hospitals, clinics) across Wisconsin and beyond, its mission to provide compassionate, innovative care, and its sizable community benefit programs. - Key details: headquartered in Milwaukee; Ascension operates 2,600+ care sites nationwide; 156k associates and 34k providers; Columbia St. Mary’s Hospital has about 52 employees and specific leadership roles listed (e.g., Lead Sonographer, Director Cardiac Catheterization Laboratories). - Useful for: understanding Ascension Wisconsin’s structure and the Columbia St. Mary’s presence within it, including workforce composition and general scope of services. If you’re specifically looking for Mercy Hospital Koeller St. It focuses on Columbia St. Mary’s within Ascension Wisconsin rather than Mercy/Oshkosh sites. For Ascension NE Wisconsin urgent care in Oshkosh, you may want to search directly for “Mercy Hospital Koeller St. Oshkosh” or “Ascension Wisconsin Urgent Care Oshkosh” to locate the exact facility details.

Clinic Type

Urgent Care

Address

Koeller Street Urgent Care, a department of Ascension NE Wisconsin - Mercy Campus, Oshkosh, WI

Phone

8773489718

Email

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Opening Hours

Evening and weekend hours; walk-in or online check-in with estimated arrival time

Services Offered

  • Urgent care

Insurance & Payment

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Urgent care visits may be billed as hospital outpatient claims; insurance coverage may be categorized differently by providers. Check with billing at 877-348-9718 for statements.

Languages Spoken

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FAQs

Is Koeller Street Urgent Care a department of a hospital?

Yes, it is a department of Ascension NE Wisconsin - Mercy Campus.

How are visits billed?

Billing is aligned with the hospital outpatient claim; insurance may categorize visits differently.

How to contact for billing questions?

Call 877-348-9718.

Photos

What Patients Say

Overall sentiment across review platforms: positive

  • Wheree: 8.8/10 (approx. 134-135 reviews cited in some listings)

Patients praise

  • attentive and compassionate assistance from staff
  • professionalism of healthcare providers
  • thorough care and clear communication about treatment options
  • welcoming and approachable environment

Common complaints

  • occasional longer than expected wait times during peak hours
  • some reports of rude interactions with specific providers

"The nurse I had that walked me to the room was extremely nice but then the nurse practitioner who was there to give me antibiotics was extremely rude. She never ..."

— MapQuest review snippet

"At Urgent Care - Ascension Medical Group Wisconsin - Koeller Street, patients consistently rave about the warm, attentive care they receive from a dedicated team of professionals."

— UrgentCareList.com 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.

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