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Dr. Nickolas Demark, DO

Hospital Medicine* Age 46
Dr. Nickolas Demark, DO
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Dr. Nickolas Demark, DO is a Hospital Medicine Specialist in Green Bay, WI.
Dr. Nickolas Demark, DO
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Dr. Nickolas Demark, DO

Hospital Medicine* Age 46
Green Bay, WI
Accepting new patients
Dr. Nickolas Demark, DO is a Hospital Medicine Specialist in Green Bay, WI.

About

Dr. Nickolas Demark, DO is a Hospital Medicine Specialist in Green Bay, WI. They graduated from Des Moines University. They currently practice at Practice and are affiliated with HSHS St. Clare Memorial Hospital, HSHS St. Mary's Hospital Medical Center, HSHS St. Nicholas Hospital and HSHS St. Vincent Hospital. Their office accepts new patients. Dr. Demark is board certified in Internal Medicine.

Experience Check

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Respiratory Failure
Hypokalemia
Hyposmolality and Hyponatremia
Respiratory Failure
Hypokalemia
Hyposmolality and Hyponatremia
Respiratory Failure
Hypokalemia
Hyposmolality and Hyponatremia
Acidosis
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Acute Kidney Failure
All Headaches (incl. Migraine)
Anxiety
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Arrhythmias
Arthritis
Asphyxia and Hypoxemia
Asthma
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Atherosclerosis
Atrial Fibrillation
Bacterial Sepsis
Bleeding Disorders
Chronic Pulmonary Heart Diseases (incl. Pulmonary Hypertension)
Congestive Heart Failure
Constipation
COPD (Chronic Obstructive Pulmonary Disease)
Coronary Artery Disease (CAD)
Dehydration
Diabetes Type 2
Diabetes With Renal Manifestations
Diabetic Polyneuropathy
Dyslipidemia
Epilepsy
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Gastroesophageal Reflux Disease (GERD)
Heart Disease
Hyperkalemia
Hyperlipidemia
Hypertension
Hypertensive Chronic Kidney Disease
Hypertensive Heart and Chronic Kidney Disease
Hypertensive Heart Disease
Hypotension
Hypotension (Excluding Maternal)
Joint Pain
Low Blood Oxygen Level
Malaise and Fatigue
Migraine
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Nephritis and Nephropathy
Osteoarthritis
Pneumonia
Pulmonary Hypertension
Tobacco Use Disorder
Traumatic Brain Injury
Urinary Tract Infection (UTI)
Abdominal Pain
Abnormal Uterine Bleeding
Acute Bronchitis
Acute Coronary Syndrome
Acute Deep Vein Thrombosis (DVT)
Acute Kidney Infection
Acute Lower Respiratory Infection
Acute Pharyngitis
Acute Sinusitis
Acute Upper Respiratory Infection
Acute Venous Embolism Thrombosis
ADHD and-or ADD
Administrative Physical
Adrenal Gland Diseases
Adult Failure to Thrive
Alcohol Withdrawal
Alkalosis
All Types of Food Poisoning
Allergic Rhinitis
Angioedema
Ankle Disorders
Ankle Fracture
Ankle Sprain and Achilles Tendon Sprain or Rupture
Ankle Sprains and Strains
Aortic Aneurysm
Aortic Diseases
Aortic Stenosis
Aortic Valve Disease
Aortic Valve Regurgitation
Arthritis of the Elbow
Atrial Flutter
Atrial Septal Defect
Autoimmune Thyroid Diseases
Avascular Necrosis
Back Pain
Balanoposthitis
Bedsores
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Biliary Atresia
Bladder Atony
Bladder Infection
Blood in Urine (Hematuria)
Broken Neck
Bronchiectasis
Bronchitis
Bronchospasm
Bursitis
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Cardiomyopathy
Carotid Artery Disease
Cerebral Artery Thrombosis
Cerebrovascular Disease
Chest Pain
Chest Wall Pain Syndrome
Cholecystitis and Gallstones
Chronic Deep Vein Thrombosis (DVT)
Chronic Neck Pain
Chronic Pain
Chronic Pelvic Pain
Chronic Sinusitis
Chronic Venous Embolism Thrombosis
Clavicle Fracture
Coccyx or Sacrum Fracture
Collapsed Lung (Pneumothorax)
Common Cold
Complex Regional Pain Syndrome (CRPS)
Concussion
Confusion
Cough
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Cranial Trauma
Cryptococcosis
Deep Vein Thrombosis (DVT)
Dermatitis Due to Drugs
Dermatitis Due to Substances Taken Internally
Diabetes
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Diabetes Type 1
Diabetic Ketoacidosis
Diarrhea
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Difficulty With Walking
Diverticulitis
Diverticulosis
Dizziness
Duodenal Ulcer
Duodenitis
Dysentery
Dysphagia
Elbow Bursitis
Embolism
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Emphysema
Endocarditis
Endometriosis
Enlarged Prostate (BPH)
Enteritis
Esophageal Ulcer
Esophageal Varices
Esophagitis
Essential Tremor
Eustachian Tube Dysfunction
Excessive Menstrual Bleeding
Fever
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Fibromyalgia
Gallstones
Gas-Bloat Syndrome
Gastric Ulcer
Gastritis
Gastrointestinal Bleeding
Gastroparesis
Goiter
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Gout
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Headache
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Heart Attack (Acute Myocardial Infarction)
Heartburn
Hemorrhoids
Hiatal Hernia
Human Immunodeficiency Virus (HIV)
Hypercalcemia
Hyperthyroidism
Hypogammaglobulinemia
Hypoglycemia
Ileus
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Iliac Aneurysm
Influenza (Flu)
Intestinal Diverticulitis
Intestinal Diverticulosis
Intestinal Obstruction
Intracerebral Hemorrhage
Irritable Bowel Syndrome
Itchy Skin
Kidney Infection
Leg and Foot Ulcers
Leukocytopenia
Limb Pain
Limb Swelling Caused by Fluid Overload
Liver Damage from Alcohol
Low Back Pain
Malnutrition
Menstrual Disorders
Mitral Valve Regurgitation
Mitral Valve Stenosis
Muscle Spasm
Muscle Weakness
Nasopharyngitis
Nausea
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Neurogenic Bladder
Nighttime Urination (Nocturia)
Non-Alcoholic Fatty Liver Disease
Noninfectious Gastroenteritis and Colitis
Nosebleed
Osteoarthritis of Foot
Osteoarthritis of Hand
Osteoarthritis of Hip and Thigh
Osteoarthritis of Shoulder
Osteopenia
Overactive Bladder
Pancreatitis
Partial Lung Collapse
Patellofemoral Pain Syndrome (PFPS)
Pelvic Abscess
Pelvic Fracture
Peptic Ulcer
Pericarditis
Peripheral Arterial Embolism and Thrombosis
Peripheral Vascular Disease (PAD, PVD)
Pharyngitis
Phlebitis and Thrombophlebitis
Polymyalgia Rheumatica (PMR)
Polyneuropathy Due to Alcohol and Drugs
Polyuria
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Potassium Deficiency
Primary Pulmonary Hypertension
Pulmonary Edema
Pulmonary Embolism
Radiculopathy
Raynaud's Disease
Reflex Sympathetic Dystrophy
Reflux Esophagitis
Rhabdomyolysis
Rheumatic Aortic Valve Disorders
Rib Fracture
Sacrum Disorders
Sarcoidosis
Sciatica (Not Due to Disc Displacement)
Seizure Disorders
Sepsis
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Sexually Transmitted Diseases (STDs)
Shingles
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Shortness of Breath
Sick Sinus Syndrome
Sinus Bradycardia
Sinus Tachycardia
Sinusitis
Skin Ulcer
Sprains and Strains (incl. Muscle Tear)
Stroke
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Subdural Hemorrhage
Supraventricular Tachycardia
Swine Flu
Tension Headache
Thyroiditis
Transient Ischemic Attack (TIA)
Tremor
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Tricuspid Valve Disease
Trigeminal Neuralgia
Urinary Incontinence
Urinary Stones
Venous Embolism and Thrombosis
Venous Insufficiency
Ventricular Fibrillation
Ventricular Tachycardia (VT)
Viral Enteritis
Vitamin B Deficiency
Vitamin B12 Deficiency
Vitamin D Deficiency
Vitamin K Deficiency
Wheezing
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Yeast Infections
Arterial Blood Gas Test (ABG)
Electrocardiogram (EKG)

Insurance Accepted

* Please verify this information when scheduling an appointment.
  • Choice Plus POS II
  • First Health (Coventry Health Care) PPO

Locations

  1. 1 Hshs St. Mary's Hospital Medical Center
    1726 Shawano Ave, Green Bay, WI 54303
    Icon Directions Right Arrow Directions Phone Icon (920) 498-4200
  2. 2 St Vincent Hospital Rehabilitation Unit
    835 S Van Buren St, Green Bay, WI 54301
    Icon Directions Right Arrow Directions Phone Icon (920) 433-8338
  3. 3 Hshs St. Nicholas Hospital
    3100 Superior Ave, Sheboygan, WI 53081
    Icon Directions Right Arrow Directions Phone Icon (920) 459-8300

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About Me

Biography
  • Dr. Nickolas Demark, DO is a hospital medicine specialist in Green Bay, WI. He specializes in Hospital Medicine.
Biography
Specialties*
Hospital Medicine
Specialties*
  • *Sharecare does not verify qualifications for medical specialties. Please verify your provider's specialty and qualifications directly with your provider and applicable medical board.
Education

Education

Medical Education
  • Des Moines University
Medical Education

Board Certifications

Board Certifications
  • Internal Medicine
Board Certifications
What’s a board certification and why is it important that my provider has one?

A board certification represents a provider’s dedication to ongoing training in one or more specialties, including the completion of intensive exams. While not all specialties have board certifications, if your provider does have one they’ve taken the extra step to master their specialty and to keep up with the latest advancements in their field.
Common Questions and Answers
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Frequently Asked Questions

Find contact information here to make an appointment.

A list of accepted insurance providers is available on the Sharecare insurance check. It is always a good idea to verify your insurance when making an appointment.

New patients are generally accepted by Dr. Nickolas Demark, DO. To arrange an appointment, call the number on Dr. Demark's profile.

Dr. Nickolas Demark, DO is affiliated with HSHS St. Clare Memorial Hospital, HSHS St. Mary's Hospital Medical Center, HSHS St. Nicholas Hospital and HSHS St. Vincent Hospital.

Yes, Dr. Nickolas Demark, DO holds board certification in Internal Medicine.

Hospital Affiliations

  • HSHS St. Clare Memorial Hospital

    855 S Main St, Oconto Falls, WI

  • HSHS St. Mary's Hospital Medical Center

    1726 Shawano Ave, Green Bay, WI

  • HSHS St. Nicholas Hospital

    3100 Superior Ave, Sheboygan, WI

  • HSHS St. Vincent Hospital

    835 S Van Buren St, Green Bay, WI