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Summary
Dr. Katharina Stewart treats high-risk pregnancy, pregnancy and weight, and obesity and overweight, and performs fetal ultrasound and nonstress tests. She practices obstetrics and gynecology and maternal and fetal medicine, with 34 years of experience. Dr. Stewart is affiliated with Unitypoint Health Meriter Hospital Inc, SSM Health Saint Marys Hospital Madison, Watertown Regional Medical Center, and Swedishamerican Women and Childrens Hospital, and sees patients in Watertown and Madison, Wisconsin. She earned her medical degree from Ohio State University College of Medicine and Public Health.
Overview based on verified provider data
Quick Facts
- 34 years of experience
- speaks English
- Ohio State University College Of Medicine & Public Health
- 2 specialties
- 3 areas of expertise
- 4 hospital affiliations
- 2 office locations
- Female
Office Locations
Dr. Katharina T Stewart has 2 locationsCompare with Similar Doctors
 |  |  |  |
| Dr. Katharina T Stewart, MD | Dr. Jill Parker Wohlfeil, MD | Dr Julie Mokhtar | Dr. Thomas Richard Wigton, MD |
| Obstetrics & Gynecology | Obstetrics & Gynecology | Obstetrics & Gynecology | Obstetrics & Gynecology |
| Accepts New Patients | Accepts New Patients | ||
| 34 Years of Experience | 38 Years of Experience | 36 Years of Experience | 39 Years of Experience |
| No Virtual Visit Option | No Virtual Visit Option | No Virtual Visit Option | No Virtual Visit Option |
| Speaks English | Speaks English, Spanish | Speaks English, Spanish | |
| Watertown , WI | Oconomowoc , WI | Fort Atkinson , WI | Milwaukee , WI |
| Med School: Ohio State University College Of Medicine & Public Health | Med School: Wayne State University School Of Medicine | Med School: Des Moines University College Of Osteopathic Medicine | Med School: University Of Toledo College Of Medicine |
Current Profile | View Profile | View Profile | View Profile |
Insurance Plans Accepted by Dr. Katharina T Stewart
Be sure to verify insurance information directly with your doctor's office, as it may undergo frequent changes.
Medical Specialties
Dr. Katharina T Stewart has the following 2 specialties
Specialty Expertise
Dr. Katharina T Stewart has the following 3 areas of expertise
Certifications, License, & Education
34 Years Experience
Dr. Katharina T Stewart holds an expired medical license in the states of Illinois and Wisconsin.
Medical License
Medical Doctor with an expired medical license in the state of Illinois that expired in 2026 and an expired medical license in the state of Wisconsin that expired in 2025.
Education & Training
Medical School
Graduated from Ohio State University College Of Medicine & Public Health in 1992.
NPI Number
Dr. Stewart's NPI number is 1053380345.
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Frequently Asked Questions
- Where is Dr. Katharina Stewart's office located?
- Dr. Katharina Stewart's office is located at 125 Hospital Dr, Watertown, WI, 53098.
- Which hospitals is Dr. Katharina Stewart affiliated with?
- Dr. Katharina Stewart is affiliated with Unitypoint Health Meriter Hospital Inc, Ssm Health Saint Marys Hospital Madison, Watertown Regional Medical Center, and Swedishamerican Women And Childrens Hospital.
- Does Dr. Katharina Stewart accept my insurance?
- You can see the insurance plans that Dr. Katharina Stewart accepts on their Vitals profile.
- Is Dr. Katharina Stewart accepting new patients?
- Dr. Katharina Stewart has not indicated that they accept new patients. Contact their office through their Vitals profile to check for availability.
- What languages does Dr. Katharina Stewart speak?
- Dr. Katharina Stewart speaks English.
Data Sources
This provider profile is built using data from:
- NPPES NPI Registry
- State medical licensing boards
- Healthcare system and provider network data
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