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Clinic Type

Gastroenterology

Address

2700 W 9th Ave Ste 305 Oshkosh, WI 54904

Phone

(920) 236-1630

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

  • Gastroenterology
  • Digestive Health
  • Pediatric Gastroenterology - Digestive Health

Team

  • Jeffrey P Andreini, MD — Gastroenterologist - Digestive Health
  • Katlyn S Hansen, NP — Gastroenterology - Digestive Health
  • Avery A Lebowitz, APNP — Gastroenterology - Digestive Health
  • Sudeep S Sodhi, MD — Gastroenterology - Digestive Health
  • Sarah N Bertzyk, NP — Gastroenterology - Digestive Health
  • Samuel L Ricker, PA — Gastroenterology - Digestive Health
  • Alan N Mayer, MD, PhD — Pediatric Gastroenterology - Digestive Health

Insurance & Payment

Languages Spoken

Photos

What Patients Say

Overall sentiment across review platforms: mixed

  • WebMD: 5.0/5.0 (27 ratings)
  • U.S. News & World Report: 5.0/5.0 (67 ratings)
  • Healthgrades: 3.8/5.0 (14 ratings)
  • U.S. News & World Report: 4.0/5.0 (28 ratings)
  • Healthgrades: 2.7/5.0 (7 ratings)
  • Vitals: 5.0/5.0 (5 ratings)

Patients praise

  • High expertise in diagnosing and managing complex digestive conditions
  • Effective, compassionate, and thorough communication during procedures
  • Strong professional staff support in certain contexts
  • Positive clinical outcomes reported by many patients

Common complaints

  • Administrative and office communication challenges (e.g., scheduling, insurance/authorization issues, staff demeanor)
  • Mixed experiences with bedside manner and listening skills for some providers
  • Difficulty securing appointments due to network/insurance changes

"Walking in I was very nervous but Dr Janu made sure to make my nervous go away. He explained everything to me and answered all the questions that I had."

WebMD patient review of Dr. Peter Janu

"I can honestly say that Dr. McDonald and her staff were amazing. They were patient and professional from the time I scheduled my appointment to my procedure."

Healthgrades patient review of Dr. Mary McDonald

"Potentially, Dr. Butt's "hunch" saved my life."

Healthgrades patient review of Dr. Amir Butt

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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Oshkosh, WI·Gastroenterology

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Oshkosh, WI·Gastroenterology

Summary: Aurora Medical Center - Oshkosh is a nonprofit hospital in Oshkosh, Wisconsin, part of Aurora Health Care. It supports emergency services and on-site medical specialties, with a small workforce (45 employees) and leadership including President John Newman. Contact options include main phone numbers 920-456-6000 and 833-528-7672. The center operates within a broader health system now linked with Advocate Health. If you’re seeking gastroenterology services specifically, this page confirms the Oshkosh location as part of Aurora Health Care’s hospital network, but for detailed gastroenterology providers or gastroenterology-focused care in Oshkosh, you may need to check the site for a dedicated gastroenterology department or call the center.

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