Summary

Dr. Nickolas Demark is an internal medicine physician who specializes in hospital medicine and hospice and palliative medicine. He earned his medical degree from Des Moines University and completed his residency at Western Michigan University School of Medicine. With 15 years of clinical experience, Dr. Demark brings extensive expertise to his practice areas.

Dr. Demark practices at multiple locations including Green Bay and Appleton, Wisconsin, as well as Iowa City, Iowa, with hospital affiliations at University of Iowa Health Care Medical Center, Mahaska Health Hospital, and HSHS Saint Mary's Hospital Medical Center. He treats patients with serious conditions such as sepsis and type 2 diabetes. His diagnostic capabilities include performing chest X-rays and abdominal ultrasounds to help identify and monitor various health concerns.

Overview based on verified provider data

Quick Facts

  • 15 years of experience
  • Western Michigan University School Of Medicine
  • 3 specialties
  • 9 areas of expertise
  • 3 hospital affiliations
  • 3 office locations
  • Male

Office Locations

Dr. Nickolas Samuel Demark has 3 locations

Dr. Nickolas Samuel Demark

122 E College AveAppleton, WI 54911

University Of Iowa Hospitals And Clinics

200 Hawkins DrIowa City, IA 52242

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Dr. Nickolas Samuel Demark, DOEric HarkerDr. Yogi Gundamraj, MDDr. Robert Elwood Wampler
Internal MedicineInternal MedicineInternal MedicineInternal Medicine
Accepts New Patients Accepts New Patients
15 Years of Experience 25 Years of Experience 29 Years of Experience 57 Years of Experience
No Virtual Visit Option Virtual Visit Available Virtual Visit Available No Virtual Visit Option
Speaks English Speaks English Speaks English
Green Bay , WILyons , COBrookfield , WIDe Pere , WI
Med School: Des Moines University Med School: Duke University School Of Medicine Med School: Spartan Health Sciences University School Of Medicine Med School: University of Iowa
Current Profile
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Insurance Plans Accepted by Dr. Nickolas Samuel Demark

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

Medical Specialties

Dr. Nickolas Samuel Demark has the following 3 specialties

Specialty Expertise

Dr. Nickolas Samuel Demark has the following 9 areas of expertise

  • Check-up
  • Heartburn
  • Hospice & Palliative Medicine
  • Hospital Medicine
  • Immunization
  • Physical
  • Vaccination
  • Weight Loss
  • Weight Loss (non-surgical)

Certifications, License, & Education

15 Years Experience

Dr. Nickolas Samuel Demark holds an expired medical license in the state of Iowa.

Medical License

Doctor Of Osteopathy with an expired medical license in the state of Iowa that expired in 2026.

Education & Training

Residency

Completed their residency at Western Michigan University School Of Medicine.

Medical School

Graduated from Des Moines University in 2011.

NPI Number

Dr. Demark's NPI number is 1114214004.

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Frequently Asked Questions

Does Dr. Nickolas Demark accept virtual/telehealth appointments?
Dr. Nickolas Demark has not indicated that they accept virtual/teleheatlh appointments. Contact their office through their Vitals profile to check for availability.
Is Dr. Nickolas Demark accepting new patients?
Dr. Nickolas Demark has not indicated that they accept new patients. Contact their office through their Vitals profile to check for availability.
Which hospitals is Dr. Nickolas Demark affiliated with?
Dr. Nickolas Demark is affiliated with University Of Iowa Health Care Medical Center, Mahaska Health Hospital, and Hshs Saint Marys Hospital Medical Center.
Does Dr. Nickolas Demark accept my insurance?
You can see the insurance plans that Dr. Nickolas Demark accepts on their Vitals profile.
How can I make an appointment with Dr. Nickolas Demark?
You can find contact information for Dr. Nickolas Demark here on Vitals.

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