Dr. John M Demay, MD



Dermatology   -  Iowa,  Sioux City

 Overview

Dr. John M Demay, MD works in Sioux City, Iowa is a specialist in Dermatology and graduated Legacy Emmanuel Hospital And Med Center. Dr. Demay is affiliated with Allen Memorial Hospital, Mercy Medical Center - Sioux City and practicing for 34 years

 Specialties

  • Dermatology

 Conditions

• Acne
• Acute Lung Injuries
• Adolescent Cancer
• Advanced Robotic Surgery
• Allergic Reactions to Insect Stings
• Antibiotic Therapy
• Candidiasis Familial Chronic Mucocutaneous, Autosomal Dominant
• Choroideremia
• Cluster Headache
• Degenerative Motor System Disease
  ...
• Digital Impression System
• Dry Skin
• Emery-Dreifuss Muscular Dystrophy
• Encounters for Normal Pregnancies
• Endovascular Aneurysm Repair
• Enteral Nutrition
• Esophageal Diseases
• Excision of Bile Duct Tumor
• Facial Paresthesia
• First MTP Arthrodesis
• Foot Wounds
• Gastroenteropancreatic Neuroendocrine Tumor
• Glenoid Labrum Tear
• Horde and Penoscrotal Fusion
• Hormone Replacement Therapy
• Hypofractionation
• Intraoperative Radiation Therapy (IORT)
• Lattice Corneal Dystrophy, Type 3
• Malt Worker's Disease
• Mass
• Medication-Induced Postural Tremor
• Metastatic Prostate Cancer
• Middle Ear Implant Candidacy Evaluation
• Movement Disorders
• Muscle Hypotonia
• Muscular Dystrophy (MD)
• Mycosis Fungoides
• Myelinopathies
• Myxedema
• Non-24-Hour Sleep-Wake Syndrome
• Parasomnias
• Parkinson Disease 6 (PARK6)
• Pediatric Trauma
• Primary Care for Adults
• Primary Cosmetic Rhinoplasty
• Prostate Cancer
• Prostate Diseases
• Pseudomembranous Colitis
• Psoriasis
• Seasonal Affective Disorder
• Shoulder and Thorax Deformity - Congenital Heart Disease
• Sigmoid Diverticulitis
• Smoking Cessation Treatment
• Thompson Technique
• Thoracic Spine Fracture
• Tissue Banking
• Traumatic Brain Injury
• Turner Syndrome
• Vestibulocochlear Nerve Diseases
• Vocal Cord Hemorrhage
 more details

 Procedures

• Acanthosis Nigricans
• Acne
• Acne Surgery
• Actinic Keratosis
• Athlete's Foot
• Atopic Dermatitis (Eczema)
• Basal Cell Carcinoma
• Bedsores
• Benign Skin Lesion
• Boil (incl. Carbuncle)
  ...
• Candidiasis of Skin and Nails
• Canker Sore
• Carcinoma in Situ of Skin
• Cellulitis
• Cold Sore
• Dermatitis
• Dermatitis Due to Drugs
• Destruction of Benign Skin Lesion
• Destruction of Malignant Skin Lesion
• Dry Skin
• Eczema and Contact Dermatitis Due to Cosmetics
• Erysipelas
• Excessive Sweating
• Excision of Benign Skin Lesion
• Excision of Malignant Skin Lesion
• Folliculitis
• Fungal Nail Infection
• Genital Herpes
• Genital Warts
• Granuloma of Skin
• Hair Loss
• Henoch–Schönlein Purpura (HSP)
• Herpes Simplex Infection
• Hidradenitis
• Hives
• Impetigo
• Intertrigo
• Itchy Skin
• Keloid Scar
• Leg and Foot Ulcers
• Lichen Planus
• Lipomas
• Melanoma
• Molluscum Contagiosum Infection
• Nail and Nail Bed Infection
• Pemphigoid
• Pemphigus
• Plantar Wart
• Psoriasis
• Rash
• Ringworm
• Rosacea
• Scabies
• Seborrheic Dermatitis
• Seborrheic Keratosis
• Second-Degree Burns
• Shaving of Skin Lesion
• Shingles
• Skin Cancer
• Skin Discoloration
• Skin Tag Removal
• Squamous Cell Carcinoma
• Sunburn
• Telogen Effluvium
• Tinea Versicolor
• Varicose Veins
• Warts
 more details

 Board Certifications

  • Board Certified by the American Board of Dermatology

 Years Since Graduation

  • 34

 State License

  • Iowa

 Education & Training

Residency Hospitals

Legacy Emmanuel Hospital And Med Center

Or Health Science University Hospital

Medical School

University Of Nebraska College Of Medicine

Omaha, NE, United States

Graduated: 1989

 Awards

Awards for Dr. John M Demay, MD are not present.

 Dr. Demay Reviews

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 Office Locations


Primary location

 Rossiter and Demay Mds LLP
2930 Hamilton Boulevard Suite 102
Iowa (IA)
Sioux City
51104
 Phone:(712) 277-9370

Accepting New Patients

  • Yes
* Please verify this information when scheduling an appointment.

 Map & Directions



Rossiter and Demay Mds LLP, 2930 Hamilton Boulevard Suite 102, Sioux City, Iowa (IA), 51104




 Insurances Accepted (check insurance plans)

  • Aetna
  • Alliance Select
  • American Enterprise Group
  • American Republic
  • Blue Card PPO
  • Blue Cross Accord
  • Blue Cross Blue Shield
  • Blue Cross Blue Shield of Illinois
  • Blue Cross Blue Shield of Illinois PPO
  • Blue Cross Blue Shield of Minnesota
  • Choice Care PPO
  • Choice Plus POS
  • Choice Plus POS II
  • Cigna
  • Cigna PPO
  • Commercial Insurance Company
  • Coventry Health Care
  • Coventry Health Care of Iowa
  • Coventry Health Care of Iowa PPO
  • Coventry Health Care of Nebraska
  • Coventry Health Care of Nebraska PPO
  • First Health (Coventry Health Care)
  • First Health (Coventry Health Care) PPO
  • Great West Healthcare-Cigna PPO
  • HealthSmart
  • Humana
  • Mail Handlers Benefit Plan (MHBP)
  • Medicare
  • Medicare MCR
  • Medico
  • MultiPlan
  • MultiPlan PPO
  • Navigate HMO
  • Navigate POS
  • Open Access Plus
  • Options PPO
  • PHCS Network PPO
  • Principal Life
  • Thrivent Financial
  • Tricare
  • UnitedHealthCare
  • Wellmark Blue Cross and Blue Shield

* Please verify this information when scheduling an appointment.

 Blog Posts

Blog Posts for Dr. John M Demay, MD are not present.

 Patients Questions

Patients questions for Dr. John M Demay, MD are not present.

 Affiliated Hospitals


Allen Memorial Hospital photo


Allen Memorial Hospital

1825 Logan Avenue Iowa IA, Waterloo, 50703

Allen Memorial Hospital is a hospital located in Waterloo, IA. Procedures/Diagnosis costs are above the state average in 8 of 13 procedures. Length of Stay is shorter than the state average in 3 of 13 procedures.



  •  Latest reviews for Dermatology specialists

  • Dr. C. is a pleasant, professional caring and fun doctor. Answered all my questions on a keep it simple level and explained everything. He took his time. I will refer them when needed. What a great group!
    07 February 2024
    (6)
  • He is the best if you need help with panic attacks. He fixed up my medication and I feel better.
    31 January 2024
    (40)
  • Dr. Jungblut and staff are all professional, fun, conscientious. Been going here for a long time. My children and grandchildren now see Dr. Jungblut too.
    24 January 2024
    (7)
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