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Dr. Nickolas Demark, DO

Hospital Medicine
Map Pin Small Green Bay, WI
Accepting new patients

Overview of Dr. Nickolas Demark, DO

Dr. Nickolas Demark, DO is a Hospital Medicine Specialist in Green Bay, WI. They graduated from DES MOINES UNIVERSITY and is affiliated with HSHS St. Clare Memorial Hospital, HSHS St. Mary's Hospital Medical Center, HSHS St. Nicholas Hospital and HSHS St. Vincent Hospital.

Dr. Demark works at Prevea Health in Green Bay, WI. They are accepting new patients and accepts Aetna as well as other major insurance plans. Please call ahead to schedule an appointment and to confirm all accepted insurance plans.

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Dr. Demark's Office Locations

  1. 1
    HSHS St. Mary's Hospital Medical Center
    1726 Shawano Ave, Green Bay, WI 54303 Icon Directions Right Arrow Directions Phone Icon (573) 882-8445

Hospital Affiliations
Admitting Hospitals

Admitting hospitals are where the provider is credentialed to see patients, perform procedures, and send patients for continuous care.

  • HSHS St. Clare Memorial Hospital
  • HSHS St. Mary's Hospital Medical Center
  • HSHS St. Nicholas Hospital
  • HSHS St. Vincent Hospital

Experience & Treatment Frequency

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May Perform

Specific procedures/conditions that don’t haveenough data are indicated with “May Perform”. We encourageyou to contact the provider with questions about theirexperience.

Search for conditions or procedures.
Tobacco Use Disorder
Hypokalemia
Malnutrition
Tobacco Use Disorder
Hypokalemia
Malnutrition

Treatment frequency



Many providers have expertise treating multiple conditions or procedures. FindCare uses a variety of data sources to determine which conditions or procedures a provider treats and their level of experience.
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Adrenal Gland Diseases Chevron Icon
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Alkalosis Chevron Icon
All Headaches (incl. Migraine) Chevron Icon
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Angioedema Chevron Icon
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Chest Pain Chevron Icon
Chest Wall Pain Syndrome Chevron Icon
Cholecystitis and Gallstones Chevron Icon
Chronic Deep Vein Thrombosis (DVT) Chevron Icon
Chronic Pain Chevron Icon
Chronic Pelvic Pain Chevron Icon
Chronic Pulmonary Heart Diseases (incl. Pulmonary Hypertension) Chevron Icon
Chronic Sinusitis Chevron Icon
Chronic Venous Embolism Thrombosis Chevron Icon
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Common Cold Chevron Icon
Complex Regional Pain Syndrome (CRPS) Chevron Icon
Concussion Chevron Icon
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Congestive Heart Failure Chevron Icon
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Duodenal Ulcer Chevron Icon
Duodenitis Chevron Icon
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Dyslipidemia Chevron Icon
Dysphagia Chevron Icon
Elbow Bursitis Chevron Icon
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Enteritis Chevron Icon
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Essential Tremor Chevron Icon
Eustachian Tube Dysfunction Chevron Icon
Fever Chevron Icon
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Human Immunodeficiency Virus (HIV) Chevron Icon
Hypercalcemia Chevron Icon
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Hyperlipidemia Chevron Icon
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Hypertensive Chronic Kidney Disease Chevron Icon
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Irritable Bowel Syndrome Chevron Icon
Itchy Skin Chevron Icon
Joint Pain Chevron Icon
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Leg and Foot Ulcers Chevron Icon
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Nosebleed Chevron Icon
Osteoarthritis Chevron Icon
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Osteopenia Chevron Icon
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Radiculopathy Chevron Icon
Raynaud's Disease Chevron Icon
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    About Dr. Nickolas Demark, DO

    Specialties
    • Hospital Medicine
    Specialties
    Languages Spoken
    • English
    Languages Spoken
    NPI Number
    • 1114214004
    NPI Number
    A National Provider Identifier (NPI) is a unique 10-digit identifier issued by the government to healthcare providers.

    Education & Certifications

    Medical Education
    • DES MOINES UNIVERSITY
    Medical Education

    Frequently Asked Questions

    Dr. Nickolas Demark, DO is accepting new patients on Healthline FindCare. You can check to see if Dr. Demark is offering online scheduling or call the provider’s office for more information.

    Dr. Demark has indicated that they do offer telehealth services. Please call the provider’s office at for more information.

    Dr. Demark has not been reviewed and rated on Healthline FindCare, yet. If you have seen this provider you can leave your own review based on your experience with Dr. Demark.

    Whether a person prefers to schedule an appointment online or over the phone with Dr. Demark, there are benefits to both methods. A person calling to schedule an with Dr. Demark appointment can ask questions about the practice, provider availability, conditions treated, procedures performed, and if their insurance carrier is accepted. While online scheduling is quicker, easier, allows one to view a wide range of appointment times, and may provide the ability to sync with a personal calendar.

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