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About

Summary: Marshfield Clinic Health System is a nonprofit health care system founded in 1916 with more than 50 locations in northern, central, and western Wisconsin and a broader presence including research and education. The system, headquartered in Marshfield, WI, operates as a large integrated network of clinics and hospitals under the umbrella of Marshfield Clinic Health System (part of Sanford Health). It employs over 2,200 staff, supports a medical research institute, and runs multiple clinics across Wisconsin (locations include Marshfield, Beaver Dam, Weston, Stevens Point, Iron Mountain, among others). For the Wausau Center specifically, Marshfield Clinic may operate services within or near Wausau, WI as part of its Wisconsin network, but the page lists broader Wisconsin locations rather than a dedicated Wausau Center hub. If you’re seeking Wausau-area clinics or services tied to Marshfield Clinic, you may contact their main numbers (800-782-8581 or 715-387-5511) or visit marshfieldclinic.org for location-specific details.

Clinic Type

Internal Medicine

Address

Wausau Center, 1000 North 28th Street, Wausau, WI

Phone

(715) 848-XXXXX

Email

occhealthsvcs@marshfieldclinic.org

Opening Hours

Mon - Fri: 8:00 AM - 5:00 PM

Telehealth

Available

Emergency Care

Yes

Services Offered

  • Internal Medicine
  • Emergency Medicine
  • Family Medicine
  • Gastroenterology
  • Cardiology
  • Dermatology
  • Sleep Medicine
  • Podiatry
  • Orthopedics
  • Radiology
  • Nephrology
  • Ophthalmology
  • Otolaryngology
  • Pediatrics
  • Pediatric Gastroenterology
  • Pediatrics - Pediatric Gastroenterology
  • Anesthesiology
  • Audiology
  • General Surgery
  • Hand Surgery
  • Maternal Fetal Medicine
  • Neuroradiology
  • Obstetrics & Gynecology
  • Occupational Medicine
  • Interventional Cardiology
  • Urogynecology
  • Vascular Surgery
  • Pain Management
  • Physical Therapy
  • Sports Medicine
  • Radiology - Body Imaging
  • Radiology - Breast Imaging
  • Wausau Center Internal Medicine

Team

  • Internal Medicine Team — Clinic Department
  • Wausau Center Medical Staff — Healthcare Providers

Insurance & Payment

Languages Spoken

Photos

What Patients Say

Overall sentiment across review platforms: mixed

  • Birdeye (Urgent Care): 1.4 stars (5 reviews)

Patients praise

  • Professionalism and expertise of lab techs and nursing staff
  • Broad range of medical services available
  • Some staff members praised as helpful and accommodating
  • Convenient parking and accessibility

Common complaints

  • Billing and overcharging issues
  • Long hold times and poor phone communication
  • Negative experiences with specific providers or staff tone
  • Long wait times for appointments and urgent care services
  • Concerns regarding clinic atmosphere (cramped, low ceilings)
  • Refusals of care or perceived lack of accommodation

"I would give it zero stars if it would allow me to write a review…providers were condescending and ignorant of what their staff is telling patients."

Birdeye

"Everyone was so extremely nice and helpful from the person who answered the phone, to receptionist, to the nurse, and our PA provider. We cannot say enough good things about this clinic."

A Better Place

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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Aspirus Health is a nonprofit health system headquartered in Wausau, Wisconsin. It operates 19 hospitals across Wisconsin, Minnesota, and Michigan’s western Upper Peninsula, and includes Aspirus Wausau Hospital in Wausau. The system provides a broad range of services including internal medicine care through its medical group and affiliated facilities. Key facts: - Location: Headquarters in Wausau, WI; main campus Aspirus Wausau Hospital serves as a major care center. - Type: Nonprofit health system (NGO/NPO). - Size: Approximately 1,986 employees; annual revenue around $164.6 million; growth noted year over year. - Services: Includes primary and specialty care via Aspirus Medical Group; internal medicine is part of ambulatory and hospital-based services. - Network: 19 hospitals, plus clinics and care centers throughout the region. - Contact: Main phone numbers and social media channels available on the Aspirus site.

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