Summary

Dr. William Riesen is an internal medicine physician with 38 years of experience caring for adult patients. He earned his medical degree from the prestigious Perelman School of Medicine at the University of Pennsylvania and completed his residency training at the University of Michigan Health System. Dr. Riesen is fluent in both English and Spanish, allowing him to serve a diverse patient population.

Dr. Riesen practices at MercyOne North Iowa Medical Center in Mason City, Iowa. He specializes in diagnosing and treating chest-related conditions, including chest wall pain and chest problems. His practice includes performing electrocardiograms to evaluate heart health and coordinating physical therapy and strength training programs for patient recovery. Patients have given Dr. Riesen an average rating of 3.8 out of 5 stars on Vitals.

AI-generated from data on this provider profile.

Quick Facts

  • 3.8
  • 38 years of experience
  • speaks English, Spanish
  • University Of Michigan Health System
  • 1 specialty
  • 6 areas of expertise
  • 1 board certification
  • 1 hospital affiliation
  • 2 office locations
  • Male

Office Locations

Dr. William John Riesen has 2 locations

Mercyone North Iowa Internal Medicine Residency Clinic

1010 4TH ST SW STE 305MASON CITY, IA 50401
Mon8:00 am - 5:00 pm
Tue8:00 am - 5:00 pm
Wed8:00 am - 5:00 pm
Thu8:00 am - 5:00 pm
Fri8:00 am - 5:00 pm
SatClosed
SunClosed

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Dr. William John Riesen, MDDr. Kevin Adrian Sterling, MDDr. Babajide Oluwatobi Adio, DODr. Sepideh Sahar Darbandi, DO
Internal MedicineNephrologyInternal MedicineCardiovascular Disease
Accepts New Patients
3.8 
38 Years of Experience 25 Years of Experience 9 Years of Experience
No Virtual Visit Option No Virtual Visit Option No Virtual Visit Option No Virtual Visit Option
Speaks English, Spanish
MASON CITY , IANapa , CAMason City , IAMason City , IA
Med School: Perelman School Of Medicine At University Of Pennsylvania Med School: Washington University In St Louis School Of Medicine Med School: A T Still University Kirksville College Of Osteopathic Medicine
Current Profile
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Insurance Plans Accepted by Dr. William John Riesen

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

Medical Specialties

Dr. William John Riesen has the following specialty

Specialty Expertise

Dr. William John Riesen has the following 6 areas of expertise

  • Check-up
  • Heartburn
  • Immunization
  • Physical
  • Vaccination
  • Weight Loss

Certifications, License, & Education

38 Years Experience

MEDICAL LICENSE

Medical Doctor, Iowa, 2026, Expired

EDUCATION & TRAINING

Residency

University Of Michigan Health System

Medical School

Perelman School Of Medicine At University Of PennsylvaniaGraduated in 1993
YALE UNIVERSITY SCHOOL OF MEDICINEGraduated in 1988

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Frequently Asked Questions

What languages does Dr. William Riesen speak?
Dr. William Riesen speaks English and Spanish.
Is Dr. William Riesen accepting new patients?
Dr. William Riesen has not indicated that they accept new patients. Contact their office through their Vitals profile to check for availability.
Does Dr. William Riesen accept my insurance?
You can see the insurance plans that Dr. William Riesen accepts on their Vitals profile.
Where is Dr. William Riesen's office located?
Dr. William Riesen's office is located at 1010 4TH ST SW STE 305, MASON CITY, IA, 50401.
Which hospitals is Dr. William Riesen affiliated with?
Dr. William Riesen is affiliated with Mercyone North Iowa Medical Center.

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