Summary

Dr. William Witmer is a cardiovascular disease specialist with additional expertise in interventional cardiology. He earned his medical degree from Vanderbilt University School of Medicine and has dedicated 38 years to providing comprehensive heart care. Dr. Witmer speaks both Spanish and Chinese, helping him connect with diverse patient populations throughout Wisconsin.

Dr. Witmer practices at Aurora Baycare Medical Center, Aurora Saint Lukes Medical Center, and Door County Medical Center, with locations in Green Bay, Milwaukee, Sturgeon Bay, and Kaukauna. He specializes in treating heart valve disease, irregular heartbeats, and blocked heart arteries. His expertise includes performing heart rhythm tests (EKGs), advanced heart imaging with contrast, and standard heart ultrasounds to diagnose and monitor heart conditions. Patients consistently rate him 5.0 out of 5 stars for his exceptional care.

Overview based on verified provider data

Quick Facts

  • 5
  • 38 years of experience
  • speaks Spanish, Chinese
  • Vanderbilt University School Of Medicine
  • 1 written review
  • 2 specialties
  • 9 areas of expertise
  • 2 board certifications
  • 3 hospital affiliations
  • 4 office locations
  • Male

Office Locations

Dr. William Timothy Witmer has 4 locations

Baycare Clinic Cardiology

2845 Greenbrier Rd Ste 310Green Bay, WI 54311
Mon8:00 am - 4:30 pm
Tue8:00 am - 4:30 pm
Wed8:00 am - 4:30 pm
Thu8:00 am - 4:30 pm
Fri8:00 am - 4:30 pm
SatClosed
SunClosed

Aurora Saint Lukes Medical Center

2900 W Oklahoma AveMilwaukee, WI 53215

Aurora Baycare Cardiology

1910 Alabama StSturgeon Bay, WI 54235
Mon7:00 am - 5:00 pm
Tue7:00 am - 5:00 pm
Wed7:00 am - 5:00 pm
Thu7:00 am - 5:00 pm
Fri7:00 am - 5:00 pm
SatClosed
SunClosed

Aurora Baycare Cardiology

1500 Arbor WayKaukauna, WI 54130
Mon7:00 am - 7:30 pm
Tue7:00 am - 7:30 pm
Wed7:00 am - 7:30 pm
Thu7:00 am - 7:30 pm
Fri7:00 am - 7:30 pm
Sat8:00 am - 4:30 pm
Sun8:00 am - 4:30 pm

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Dr. William Timothy Witmer, MDDr. Mohamed Djelmami-Hani, MDDr. David William Mathias, MDSara Anne Picard
Cardiovascular DiseaseCardiovascular DiseaseCardiovascular DiseaseNurse Practitioner
Accepts New Patients Accepts New Patients Accepts New Patients
4.9 
38 Years of Experience 30 Years of Experience 44 Years of Experience
No Virtual Visit Option No Virtual Visit Option No Virtual Visit Option No Virtual Visit Option
Speaks Spanish, Chinese Speaks English, Spanish Speaks English Speaks English, Spanish
Green Bay , WIGrafton , WIGreen Bay , WIGreen Bay , WI
Med School: Vanderbilt University School Of Medicine Med School: Universite Dalgers Faculte Des Sciences Medicales Med School: LOYOLA UNIVERSITY CHICAGO STRITCH SCHOOL OF MEDICINE
Current Profile
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Insurance Plans Accepted by Dr. William Timothy Witmer

Be sure to verify insurance information directly with your doctor's office, as it may undergo frequent changes.

Medical Specialties

Dr. William Timothy Witmer has the following 2 specialties

Specialty Expertise

Dr. William Timothy Witmer has the following 9 areas of expertise

  • Acute Coronary Syndrome (ACS)
  • Heart Block
  • Heart Diseases
  • Heart Failure
  • High Blood Pressure (Hypertension)
  • High Cholesterol (Hypercholesterolemia)
  • Interventional Cardiology
  • Stroke
  • Unstable Angina

Certifications, License, & Education

38 Years Experience

MEDICAL LICENSE

Medical Doctor, Wisconsin, 2025, Expired

EDUCATION & TRAINING

Medical School

Vanderbilt University School Of MedicineGraduated in 1988

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Frequently Asked Questions

Which hospitals is Dr. William Witmer affiliated with?
Dr. William Witmer is affiliated with Aurora Baycare Medical Center, Aurora Saint Lukes Medical Center, and Door County Medical Center.
Does Dr. William Witmer accept my insurance?
You can see the insurance plans that Dr. William Witmer accepts on their Vitals profile.
Does Dr. William Witmer accept virtual/telehealth appointments?
Dr. William Witmer has not indicated that they accept virtual/teleheatlh appointments. Contact their office through their Vitals profile to check for availability.
How can I make an appointment with Dr. William Witmer?
You can find contact information for Dr. William Witmer here on Vitals.
What languages does Dr. William Witmer speak?
Dr. William Witmer speaks Spanish and Chinese.

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