Summary

Dr. Mary Sonsalla brings more than three decades of expertise in internal medicine to her practice. She earned her medical degree from the University of Wisconsin School of Medicine & Public Health and completed her residency training at Carolinas Medical Center. With 32 years of clinical experience, Dr. Sonsalla has developed deep knowledge in comprehensive adult healthcare and preventive medicine. She provides care to patients in English.

Dr. Sonsalla practices at Prohealth Waukesha Memorial Hospital and maintains affiliations with ASCENSION WISCONSIN HOSPITAL WAUKESHA CAMPUS in Waukesha, Wisconsin. Her extensive experience in internal medicine allows her to manage complex medical conditions and coordinate comprehensive care for adult patients. She focuses on building long-term relationships with patients to support their overall health and wellness goals. Patients have given Dr. Sonsalla an average rating of 4.2 stars for her compassionate and thorough approach to care.

Overview based on verified provider data

Quick Facts

  • 4.2
  • 32 years of experience
  • 2 insurance plans accepted
  • speaks English
  • Carolinas Medical Center
  • 1 specialty
  • 1 area of expertise
  • 1 board certification
  • 2 hospital affiliations
  • 1 office location
  • Female

Patients’ Perspective

  • Gave an accurate diagnosis
  • Had a good bedside manner
  • Spent time with me

Office Location

Prohealth Waukesha Memorial Hospital

725 American AveWaukesha, WI 53188

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Dr. Mary Ann Sonsalla, MD
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Dr. Mary Ann Sonsalla, MDDr. Yogi Gundamraj, MDEric HarkerDr. Angela Anne Tonozzi
Internal MedicineInternal MedicineInternal MedicinePublic Health & General Preventive Medicine
Accepts New Patients Accepts New Patients
4.2 
32 Years of Experience 29 Years of Experience 25 Years of Experience 22 Years of Experience
No Virtual Visit Option Virtual Visit Available Virtual Visit Available No Virtual Visit Option
Speaks English Speaks English Speaks English
Waukesha , WIBrookfield , WILyons , COMilwaukee , WI
Med School: University Of Wisconsin School Of Medicine & Public Health Med School: Spartan Health Sciences University School Of Medicine Med School: Duke University School Of Medicine Med School: University Of Illinois At Chicago College Of Medicine
Current Profile
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Insurance Plans Accepted by Dr. Mary Ann Sonsalla

  • Cigna
  • Network Health Plan

Medical Specialties

Dr. Mary Ann Sonsalla has the following specialty

Specialty Expertise

Dr. Mary Ann Sonsalla has the following area of expertise

  • Diabetes

Certifications, License, & Education

32 Years Experience

Dr. Mary Ann Sonsalla holds an expired medical license in the state of Wisconsin.

Medical License

Medical Doctor with an expired medical license in the state of Wisconsin that expired in 2025.

Education & Training

Residency

Completed their residency at Carolinas Medical Center.

Medical School

Graduated from University Of Wisconsin School Of Medicine & Public Health in 1994.

NPI Number

Dr. Sonsalla's NPI number is 1336112283.

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Frequently Asked Questions

Which hospitals is Dr. Mary Ann Sonsalla affiliated with?
Dr. Mary Ann Sonsalla is affiliated with Prohealth Waukesha Memorial Hospital and ASCENSION WISCONSIN HOSPITAL WAUKESHA CAMPUS.
Does Dr. Mary Ann Sonsalla accept my insurance?
You can see the insurance plans that Dr. Mary Ann Sonsalla accepts on their Vitals profile.
Does Dr. Mary Ann Sonsalla accept virtual/telehealth appointments?
Dr. Mary Ann Sonsalla has not indicated that they accept virtual/teleheatlh appointments. Contact their office through their Vitals profile to check for availability.
What languages does Dr. Mary Ann Sonsalla speak?
Dr. Mary Ann Sonsalla speaks English.
Is Dr. Mary Ann Sonsalla accepting new patients?
Dr. Mary Ann Sonsalla has not indicated that they accept new patients. Contact their office through their Vitals profile to check for availability.

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