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Dr. Ivan B. Schaller, MD

Internal Medicine

  • (715) 847-3455

Dr. Schaller's Overview

Dr. Ivan B. Schaller graduated from the University of Wisconsin Medical School in 1980. He works in Wausau, WI and specializes in Internal Medicine. Dr. Schaller is affiliated with Aspirus Wausau Hospital and Ministry Saint Clares Hospital.

Dr. Schaller's Experience

Years in Practice: 35

Dr. Schaller's Specialties

Internal Medicine

Dr. Schaller's Education & Training

Medical School: University of Wisconsin Medical School; Graduated 1980

Dr. Schaller's Rating

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Overall Rating


  • Explains conditions & treatments
  • Takes time to answer my questions
  • Provides follow-up as needed
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Dr. Schaller's Accepted Insurance

  • Aetna Choice POS II
  • Aetna Signature Administrators PPO
  • Anthem Blue Access PPO
  • Anthem Blue Preferred HMO
  • Anthem Blue Preferred Plus POS
  • BCBS Blue Card PPO
  • First Health PPO
  • Humana ChoiceCare Network PPO
  • Multiplan PPO
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Dr. Schaller's Office Information & Appointments

Office Locations

Marshfield Clinic
Marshfield Clinic Wausau Center

2727 Plaza Dr
Wausau, WI 54401
(715) 847-3455


Office Hours and Information

Fax: (715) 847-3329

Practice Website:

Accepting New Patients: Yes

Medicare Accepted: Yes

Medicaid Accepted: Yes

Monday 8:00 AM - 6:00 PM
Tuesday 8:00 AM - 6:00 PM
Wednesday 8:00 AM - 6:00 PM
Thursday 8:00 AM - 6:00 PM
Friday 8:00 AM - 6:00 PM
Saturday 8:00 AM - 4:00 PM
Sunday 8:00 AM - 4:00 PM

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Dr. Schaller's Hospital Affiliations

Office Locations

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