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Clinic Type

Family Medicine

Address

1855 S Koeller St Oshkosh, WI 54902

Phone

(920) 223-7010

Email

careers@ascension.org

Opening Hours

Not published — contact the clinic to confirm hours.

Emergency Care

If you are experiencing a life-threatening emergency, call 911 or go directly to the ER.

Services Offered

  • Family Medicine

Team

  • Sarah D Wypiszynski — MD, IBCLC
  • Rebecca L Ott — APNP
  • Katherine Hartstern — MD
  • Tiffany L Mennen — APNP

Insurance & Payment

Languages Spoken

  • English
  • Vietnamese

Photos

What Patients Say

Overall sentiment across review platforms: positive

  • Ascension Medical Group at Jackson Street (Birdeye/Google): 4.4 stars (186 reviews)
  • Ascension NE Wisconsin - Mercy Campus Emergency (Birdeye/Google): 4.4 stars (574 reviews)
  • Specific primary care providers (e.g., Brenda Brusky, APNP): 4.9 stars (26-518 reviews)

Patients praise

  • attentive and thorough care from providers and nursing staff
  • clear communication and supportive demeanor
  • clean campus environment
  • accessibility of emergency and trauma services
  • patients feel their concerns are heard and respected

Common complaints

  • occasional dissatisfaction with service experience
  • billing issues
  • mixed safety ratings for hospital procedures

"My provider is knowledgeable and helps me to understand my treatment plan, need for it and is always willing to hear me out and address my concerns and questions."

Healthgrades review for Brenda Brusky, APNP

"The staff was all very caring and kind in my most vulnerable state."

Birdeye review for Ascension Mercy Campus Emergency

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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