Ascension NE Wisconsin - Mercy Hospital Koeller St. Urgent Care
Urgent Care • Oshkosh, WI • 1 Urgent Care location in Oshkosh, WI locations
About
Summary: - The page describes Columbia St. 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. or Urgent Care in Oshkosh, this page does not mention those locations. 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
careers@ascension.org
Opening Hours
Evening and weekend hours; walk-in or online check-in with estimated arrival time
Services Offered
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.
Social Media
Photos
What Patients Say
Overall sentiment across review platforms: positive
- Wheree: 8.8/10
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 summarySynthesized from public review platforms as of Jul 11, 2026 — sources: [1][2][3][4].
In the News
- Ascension Wisconsin to open two new community pharmacies in Oshkosh — May 5, 2026
- Ascension to open two pharmacies in Oshkosh | Health Care & Wellness | insightonbusiness.com — May 6, 2026
- Ascension Mercy Hospital Celebrates 25 Years | Ascension — Oct 1, 2025
- Orthopedic group to open new Wisconsin clinic - Becker’s Spine Review — Apr 3, 2026
- Food Gleaning at Ascension Mercy Helps Support Clients at Nova Counseling Services | Ascension — Jan 1, 2026
Information sourced from the clinic's website as of July 11, 2026.
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