Summary

Dr. Jeffrey Michalak is a gastroenterologist and internal medicine physician who brings 21 years of medical expertise to his practice. He earned his medical degree from Kansas City University of Medicine & Bioscience College of Osteopathic Medicine, establishing a strong foundation in osteopathic medicine principles. Dr. Michalak's dual specialization allows him to provide comprehensive digestive health care while addressing broader internal medicine needs. He communicates fluently in both English and Spanish, enabling him to serve a diverse patient population.

Dr. Michalak practices at multiple locations across the region, including Dakota Dunes, South Dakota and Sioux City, Iowa, with affiliations at UnityPoint Health Saint Lukes Downtown, Saint Lukes Regional Medical Center, and Dunes Surgical Hospital. He focuses on treating common digestive conditions such as colon polyps, hemorrhoids, and GERD. His procedural expertise includes performing colonoscopies and both upper and lower gastrointestinal endoscopies to diagnose and monitor digestive health concerns. Patients have given him an average rating of 3.9 on Vitals, reflecting their experiences with his care.
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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. Dustin Steven Sorenson, MDDr. Jitendrakumar Shyamlal Gupta, MDDr. Sai Atluri, MD
GastroenterologyAnesthesiologyCritical Care MedicineNephrology
Accepts New Patients Accepts New Patients Accepts New Patients
3.9 
4.1 
21 Years of Experience 18 Years of Experience 33 Years of Experience 27 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 Speaks English, Spanish
Dakota Dunes , SDDakota Dunes , SDSioux City , IASioux City , IA
Med School: Kansas City University Of Medicine & Bioscience College Of Osteopathic Med Med School: University Of Nebraska College Of Medicine Med School: Pramukhswami Medical College Med School: Siddhartha Medical College
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 an active medical license in the states of South Dakota, Nebraska, and Iowa.

Medical License

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

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.
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.
What languages does Dr. Jeffrey Michalak speak?
Dr. Jeffrey Michalak speaks English and Spanish.
Does Dr. Jeffrey Michalak accept my insurance?
You can see the insurance plans that Dr. Jeffrey Michalak accepts on their Vitals profile.
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.

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