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Dr. Marc Demyun, MD

Internal Medicine* Age 54
Dr. Marc Demyun, MD
4.0 (4 Ratings)

Offers telehealth

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Dr. Marc Demyun, MD is an Internist in Denison, TX.
Dr. Marc Demyun, MD
4.0 (4 Ratings)
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Dr. Marc Demyun, MD

Internal Medicine* Age 54
Denison, TX
Call for new patient details

Offers telehealth

Dr. Marc Demyun, MD is an Internist in Denison, TX.

About

Dr. Demyun graduated from University of Maryland Medical Center and completed a residency at Icahn School of Medicine at Mount Sinai. Dr. Marc Demyun, MD is an Internist in Denison, TX. Dr. Demyun currently practices at Texoma Medical Center and are affiliated with Texoma Medical Center. At present, Dr. Demyun received an average rating of 4.0/5 from patients and has been reviewed 4 times. Dr. Demyun's office is not accepting new patients. Dr. Demyun is board certified in Internal Medicine and accepts multiple insurance plans.

Offers Telehealth

This provider offers telehealth appointments. Call the office to schedule.

Friendly Staff

Patients said the staff was friendly.

Easy Scheduling

Patients said scheduling was easy.

Experience Check

Enter a condition or procedure
Arterial Blood Gas Test (ABG)
Electrocardiogram (EKG)
Tobacco Use Disorder
Arterial Blood Gas Test (ABG)
Electrocardiogram (EKG)
Tobacco Use Disorder
Arterial Blood Gas Test (ABG)
Electrocardiogram (EKG)
Tobacco Use Disorder
Urinary Tract Infection (UTI)
Abdominal Pain
Abnormal Thyroid
Acidosis
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Acute Bronchitis
Acute Coronary Syndrome
Acute Deep Vein Thrombosis (DVT)
Acute Kidney Failure
Acute Kidney Infection
Acute Lower Respiratory Infection
Acute Sinusitis
Acute Tonsillitis
Acute Upper Respiratory Infection
Acute Venous Embolism Thrombosis
ADHD and-or ADD
Adrenal Gland Diseases
Adult Failure to Thrive
Alcohol Withdrawal
Alkalosis
All Headaches (incl. Migraine)
All Types of Food Poisoning
Allergic Rhinitis
Anal or Rectal Pain
Anemia
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Aneurysm of Heart
Angina
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Animal Allergies
Ankle Fracture
Anorectal Abscess
Anxiety
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Aortic Aneurysm
Aortic Stenosis
Aortic Valve Disease
Aortic Valve Regurgitation
Arrhythmias
Arthritis
Arthritis of the Elbow
Asphyxia and Hypoxemia
Asthma
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Ataxia
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Atherosclerosis
Atrial Fibrillation
Atrial Flutter
Autoimmune Thyroid Diseases
Avascular Necrosis
Back Pain
Bacterial Sepsis
Bedsores
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Bell's Palsy
Benign Chronic Pain Syndrome
Bird Flu
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Bladder Infection
Bleeding Disorders
Blood in Urine (Hematuria)
Bronchitis
Bruise of Face, Scalp, or Neck
Burn Injuries
Calcium Metabolism Disorders
Cardiomyopathy
Cardiomyopathy, Dilated
Cardiomyopathy, Hypertrophic
Carotid Artery Disease
Cellulitis
Cerebral Artery Thrombosis
Cerebrovascular Disease
Chest Pain
Chest Wall Pain Syndrome
Cholecystitis and Gallstones
Chronic Neck Pain
Chronic Pain
Chronic Pulmonary Heart Diseases (incl. Pulmonary Hypertension)
Chronic Sinusitis
Collapsed Lung (Pneumothorax)
Concussion
Congenital Heart Disease
Congestive Heart Failure
Constipation
COPD (Chronic Obstructive Pulmonary Disease)
Coronary Artery Disease (CAD)
Cough
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Cranial Trauma
Deep Vein Thrombosis (DVT)
Dehydration
Diabetes Type 1
Diabetes Type 2
Diabetes With Renal Manifestations
Diabetic Ketoacidosis
Diabetic Polyneuropathy
Diarrhea
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Difficulty With Walking
Dizziness
Dyslipidemia
Dysphagia
Eczema and Contact Dermatitis
Embolism
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Emphysema
Enlarged Prostate (BPH)
Enteritis
Epilepsy
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Esophageal Ulcer
Esophageal Varices
Esophagitis
Essential Tremor
Fever
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Fibromyalgia
Food Allergy
Food Poisoning
Foot Infection
Gait Abnormality
Gallstones
Gastritis
Gastroesophageal Reflux Disease (GERD)
Gastrointestinal Bleeding
Gastroparesis
Genital Herpes
Goiter
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Gout
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Headache
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Heart Attack (Acute Myocardial Infarction)
Heart Disease
Heart Palpitations
Hemorrhoids
Hepatitis A
Hepatitis C
Hernia
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Herpes Simplex Infection
Hiatal Hernia
Hip Pointer
Hypercalcemia
Hyperkalemia
Hyperlipidemia
Hypertension
Hypertensive Chronic Kidney Disease
Hypertensive Heart and Chronic Kidney Disease
Hypertensive Heart Disease
Hyperthyroidism
Hypoglycemia
Hypokalemia
Hyposmolality and Hyponatremia
Hypotension
Hypotension (Excluding Maternal)
Hypothyroidism
Hypoxemia
Ileus
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Indigestion
Influenza (Flu)
Insomnia
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Intertrigo
Intestinal Diverticulitis
Intestinal Diverticulosis
Intestinal Obstruction
Iron Metabolism Disorders
Irritable Bowel Syndrome
Joint Pain
Kidney Infection
Lactose Intolerance
Leg and Foot Ulcers
Leukocytopenia
Limb Pain
Limb Swelling
Limb Swelling Caused by Fluid Overload
Lipid Disorders
Liver Damage from Alcohol
Low Back Pain
Magnesium Metabolism Disorders
Malaise and Fatigue
Malnutrition
Menopausal and Postmenopausal Disorders
Mesenteric Lymphadenitis
Migraine
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Mineral Metabolism Disorders
Mitral Valve Prolapse
Mitral Valve Regurgitation
Mitral Valve Stenosis
Muscle Cramping
Muscle Weakness
Nail and Nail Bed Infection
Nasopharyngitis
Nausea
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Neck Strain (incl. Whiplash Injury)
Nephrotic Syndrome
Neurogenic Bladder
Nighttime Urination (Nocturia)
Non-Alcoholic Fatty Liver Disease
Noninfectious Gastroenteritis and Colitis
Nosebleed
Obesity
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Orchitis
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Osteoarthritis
Osteoarthritis of Foot
Osteoarthritis of Knee
Osteoarthritis of Shoulder
Osteoarthritis of Spine
Osteopenia
Osteoporosis
Overactive Bladder
Overweight
Pancreatitis
Partial Lung Collapse
Patellofemoral Pain Syndrome (PFPS)
Pelvic Abscess
Pericardial Disease
Pericarditis
Peripheral Arterial Embolism and Thrombosis
Peripheral Nerve Disorders
Peripheral Vascular Disease (PAD, PVD)
Phosphorus Metabolism Disorders
Pneumonia
Pollen Allergy
Polymyalgia Rheumatica (PMR)
Polyneuropathy
Polyuria
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Primary Pulmonary Hypertension
Prostatitis
Pulmonary Embolism
Pulmonary Hypertension
Radiculopathy
Reflux Esophagitis
Respiratory Failure
Restless Leg Syndrome
Rhabdomyolysis
Rotator Cuff Tendinosis
Sarcoidosis
Scabies
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Sciatica
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Second-Degree Burns
Secondary Diabetes Mellitus
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
Sleep Apnea
Sprains and Strains (incl. Muscle Tear)
Stroke
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Subarachnoid Hemorrhage
Subdural Hemorrhage
Supraventricular Tachycardia
Swine Flu
Third Degree Heart Block
Third-Degree Burns
Thrush
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Thyroiditis
Thyrotoxicosis Factitia
Tonsillitis
Transient Ischemic Attack (TIA)
Traumatic Brain Injury
Tricuspid Valve Disease
Trigeminal Neuralgia
Urinary Incontinence
Urinary Stones
Venous Embolism and Thrombosis
Venous Insufficiency
Ventricular Tachycardia (VT)
Vertigo
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Viral Enteritis
Viral Hepatitis
Viral Infection
Vitamin D Deficiency
Wheezing
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Yeast Infections
Breath Testing
Fecal Occult Blood Test for Colorectal Cancer
Immunization Administration
Radiofrequency Ablation

Insurance Accepted

* Please verify this information when scheduling an appointment.
  • MultiPlan PPO
  • Curative EPO
    Curative PPO
    Curative PPO Plus
  • Cigna
  • Medicaid
  • Humana
  • Medicare
  • United Healthcare
  • Aetna
  • First Health (Coventry Health Care) PPO
  • Blue Advantage HMO
    Blue Card PPO
  • Coventry Health Care

Locations

  1. 1 Texoma Medical Center
    5016 S US Highway 75, Denison, TX 75020
    Icon Directions Right Arrow Directions Phone Icon (903) 416-4000

Patient Satisfaction

Likelihood to recommend Dr. Demyun
4.0
Based on 4 Reviews
5 Stars (3)
4 Stars (0)
3 Stars (0)
2 Stars (0)
1 Star (1)

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Patient Reviews
Jul 01, 2023
Dr. Marc is an amazing professional and he does everything at the right way.
Igor Paiva — Jul 01, 2023
See more reviews on Healthgrades
Photo: Dr. Marc Demyun, MD
How would you rate your experience with Dr. Marc Demyun, MD?
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Dr. Demyun's Office & Staff

  • Ease of scheduling urgent appointments
  • Office environment, cleanliness, comfort, etc.
  • Staff friendliness and courteousness
  • Total wait time (waiting & exam rooms)

Experience with Dr. Demyun

  • Level of trust in provider's decisions
  • How well provider explains medical condition(s)
  • How well provider listens and answers questions
  • Hpends appropriate amount of time with patients

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Telehealth Options
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(903) 416-4000

About Me

Specialties*
Internal 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
  • University of Maryland Medical Center
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.

Residency

Residency Hospital
  • Icahn School of Medicine at Mount Sinai
Residency Hospital
Common Questions and Answers
Responses are sourced directly from patients.
Does Dr. Demyun communicate via email?
No responses yet.
Yes
(0)
No
(0)
Does Dr. Demyun offer telehealth services or virtual visits?
No responses yet.
Yes
(0)
No
(0)
Does Dr. Demyun offer an online patient portal?
No responses yet.
Yes
(0)
No
(0)
Does Dr. Demyun have free onsite parking?
No responses yet.
Yes
(0)
No
(0)
Does Dr. Demyun offer weekend visits?
No responses yet.
Yes
(0)
No
(0)
Does Dr. Demyun offer evening visits?
No responses yet.
Yes
(0)
No
(0)
Does Dr. Demyun specialize in working with children or adolescents?
No responses yet.
Yes
(0)
No
(0)
Does Dr. Demyun specialize in working with seniors?
No responses yet.
Yes
(0)
No
(0)
Does Dr. Demyun specialize in couples therapy?
No responses yet.
Yes
(0)
No
(0)
Does Dr. Demyun specialize in working with LGBTQ+ community?
No responses yet.
Yes
(0)
No
(0)
Does Dr. Demyun accept insurance?
No responses yet.
Yes
(0)
No
(0)

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. Marc Demyun, MD. To arrange an appointment, call the number on Dr. Demyun's profile.

Dr. Marc Demyun, MD is affiliated with Texoma Medical Center.

Yes, Dr. Marc Demyun, MD holds board certification in Internal Medicine.

Hospital Affiliations

  • Texoma Medical Center

    5016 S US Highway 75, Denison, TX