Summary

Dr. Jeffrey Michalak treats colon polyps, hemorrhoids, and GERD, and performs colonoscopy, lower GI endoscopy, and upper GI endoscopy. He practices gastroenterology and internal medicine with 21 years of experience and is affiliated with Unitypoint Health Saint Lukes Downtown, Saint Lukes Regional Medical Center, and Dunes Surgical Hospital.

He earned his medical degree from Kansas City University of Medicine & Bioscience College of Osteopathic Medicine and sees patients in Dakota Dunes, South Dakota, and Sioux City, Iowa. He speaks English and Spanish. Patients on Vitals rate Dr. Michalak 3.86 out of 5.

Overview based on verified provider data

Quick Facts

  • accepting new patients
  • 3.9
  • 21 years of experience
  • speaks English, Spanish
  • Kansas City University Of Medicine & Bioscience College Of Osteopathic Med
  • 2 specialties
  • 9 areas of expertise
  • 3 hospital affiliations
  • 3 office locations
  • Male

Patients’ Perspective

  • Gave an accurate diagnosis
  • Had a good bedside manner
  • Flexible scheduling

Office Locations

Dr. Jeffrey Patrick Michalak has 3 locations

Cnos Dakota Dunes

575 N Sioux Point RdDakota Dunes, SD 57049
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

Saint Lukes Regional Medical Center

2720 Stone Park BlvdSioux City, IA 51104

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Dr. Jeffrey Patrick Michalak, DO
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Dr. Jeffrey Patrick Michalak, DODr. Hillard Arce Salas, MDDr. Richard Lloyd Weyman IV, MDDr. William Davidson III, MD
GastroenterologyInternal MedicineGastroenterologyGastroenterology
Accepts New Patients Accepts New Patients Accepts New Patients
3.9 
0 
3.8 
2.9 
21 Years of Experience 33 Years of Experience 33 Years of Experience 38 Years of Experience
No Virtual Visit Option No Virtual Visit Option No Virtual Visit Option No Virtual Visit Option
Speaks English, Spanish Speaks English, Spanish Speaks English, Spanish Speaks English, Spanish
Dakota Dunes , SDDubuque , IABettendorf , IABettendorf , IA
Med School: Kansas City University Of Medicine & Bioscience College Of Osteopathic Med Med School: University Of Iowa Med School: Pennsylvania State University College Of Medicine Med School: Georgetown University School Of Medicine
Current Profile
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Insurance Plans Accepted by Dr. Jeffrey Patrick Michalak

  • Accepts Medicare
  • Accepts Medicaid

Medical Specialties

Dr. Jeffrey Patrick Michalak has the following 2 specialties

Specialty Expertise

Dr. Jeffrey Patrick Michalak has the following 9 areas of expertise

  • Abdominal Pain
  • Acid Reflux Disease (GERD)
  • Celiac Disease
  • Colonoscopy
  • Constipation
  • Hemorrhoids
  • Internal Medicine
  • Irritable Bowel Syndrome (IBS)
  • Ulcerative Colitis

Certifications, License, & Education

21 Years Experience

Dr. Jeffrey Patrick Michalak holds active and expired medical licenses in the states of Iowa, Nebraska, and South Dakota.

Medical License

Doctor Of Osteopathy with an active medical license in the state of Iowa that expires in 2027, an expired medical license in the state of Nebraska that expired in 2026, and an active medical license in the state of South Dakota that expires in 2027.

Education & Training

Medical School

Graduated from Kansas City University Of Medicine & Bioscience College Of Osteopathic Med in 2005.

NPI Number

Dr. Michalak's NPI number is 1962622431.

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Frequently Asked Questions

What languages does Dr. Jeffrey Michalak speak?
Dr. Jeffrey Michalak speaks English and Spanish.
How can I make an appointment with Dr. Jeffrey Michalak?
You can find contact information for Dr. Jeffrey Michalak here on Vitals.
Is Dr. Jeffrey Michalak accepting new patients?
Dr. Jeffrey Michalak is accepting new patients on Vitals. View Dr. Jeffrey Michalak's profile on Vitals to make an appointment.
Where is Dr. Jeffrey Michalak's office located?
Dr. Jeffrey Michalak's office is located at 575 N Sioux Point Rd, Dakota Dunes, SD, 57049.
Does Dr. Jeffrey Michalak accept virtual/telehealth appointments?
Dr. Jeffrey Michalak has not indicated that they accept virtual/teleheatlh appointments. Contact their office through their Vitals profile to check for availability.

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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