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Dr. Karthik Iyer, MD
Geriatric Medicine* Age 45
Dr. Karthik Iyer, MD
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Dr. Karthik Iyer, MD is a Geriatric Medicine Physician in Crystal Cty, MO.
Dr. Karthik Iyer, MD
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Dr. Karthik Iyer, MD

Geriatric Medicine* Age 45
Crystal Cty, MO
Accepting new patients
22 years of experience
Dr. Karthik Iyer, MD is a Geriatric Medicine Physician in Crystal Cty, MO.
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About Dr. Karthik Iyer, MD

Dr. Iyer graduated from UNIVERSIDAD HEBREA ARGENTINA BAR ILAN / FACULTAD DE CIENCIAS BIOLOGICAS. Dr. Karthik Iyer, MD is a Geriatric Medicine Physician in Crystal Cty, MO and has 22 years experience. Dr. Iyer's office accepts new patients. Dr. Iyer is board certified in Critical Care Medicine and accepts multiple insurance plans.

Experience Check

Enter a condition or procedure
Respiratory Failure
Dehydration
Pneumonia
Respiratory Failure
Dehydration
Pneumonia
Respiratory Failure
Dehydration
Pneumonia
Bacterial Sepsis
Non-Traumatic Brain Injury
Acidosis
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Acute Bronchitis
Acute Deep Vein Thrombosis (DVT)
Acute Kidney Infection
Acute Upper Respiratory Infection
Acute Venous Embolism Thrombosis
Adrenal Gland Cancer
Alkalosis
All Headaches (incl. Migraine)
Allergic Conjunctivitis
Allergic Rhinitis
Anal and Rectal Cancer
Anaphylaxis
Anemia
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Animal Allergies
Anxiety
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Appendicitis
Arthritis
Arthritis of the Elbow
Asthma
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Atherosclerosis
Back Pain
Barrett's Esophagus
Bedsores
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Benign Chronic Pain Syndrome
Biliary Atresia
Bird Flu
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Bladder Infection
Blood in Urine (Hematuria)
Bone Cancer
Breast Cancer
Breast Lump
Bronchitis
Cachexia
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Calcium Metabolism Disorders
Cellulitis
Chest Pain
Cholecystitis and Gallstones
Chronic Neck Pain
Chronic Pain
Collapsed Lung (Pneumothorax)
Colorectal Cancer
Constipation
COPD (Chronic Obstructive Pulmonary Disease)
Crohn's Disease
Deep Vein Thrombosis (DVT)
Diabetes
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Diabetes Type 1
Diabetes Type 2
Diabetes With Renal Manifestations
Diabetic Polyneuropathy
Diaphragmatic and Hiatal Hernia
Diarrhea
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Diverticulitis
Diverticulosis
Duodenitis
Dyslipidemia
Dysphagia
E. coli Food Poisoning
E. Coli Pneumonia
Emphysema
Empyema
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Enlarged Prostate (BPH)
Enteritis
Esophageal Cancer
Esophageal Varices
Esophagitis
Fever
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Fibromyalgia
Foot Infection
Gallstones
Gastric Ulcer
Gastritis
Gastroesophageal Reflux Disease (GERD)
Gout
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Headache
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Heart Disease
Heart Palpitations
Hepatitis C
Herpes Simplex Infection
Herpes Zoster Without Complication
Hiatal Hernia
Human Immunodeficiency Virus (HIV)
Hypercalcemia
Hyperkalemia
Hyperlipidemia
Hypersensitivity Pneumonitis
Hypertension
Hypogammaglobulinemia
Hypoglycemia
Hypokalemia
Hypotension
Hypotension (Excluding Maternal)
Hypothyroidism
Ileus
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Impairments of Consciousness
Incisional Hernia
Infective Arthritis
Inflammatory Bowel Disease
Influenza (Flu)
Inguinal Hernia
Insomnia
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Intertrigo
Intestinal Abscess
Intestinal Diverticulitis
Intestinal Obstruction
Irritable Bowel Syndrome
Ischemic Colitis
Joint Pain
Kidney Infection
Leg and Foot Ulcers
Limb Pain
Limb Swelling Caused by Fluid Overload
Lipid Disorders
Liver Damage from Alcohol
Low Back Pain
Lung Cancer
Magnesium Metabolism Disorders
Malaise and Fatigue
Malnutrition
Megacolon
Meningitis
Menstrual Disorders
Migraine
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Mineral Metabolism Disorders
Nausea
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Neuroendocrine Tumors
Neurogenic Bladder
Noninfectious Gastroenteritis and Colitis
Obesity
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Osteoarthritis
Osteoarthritis of Foot
Osteoarthritis of Shoulder
Osteoarthritis of Spine
Osteopenia
Osteoporosis
Osteosarcoma
Overactive Bladder
Overweight
Partial Lung Collapse
Peptic Ulcer
Peripheral Arterial Embolism and Thrombosis
Peripheral Vascular Disease (PAD, PVD)
Phosphorus Metabolism Disorders
Pinkeye (Conjunctivitis)
Pleural Effusion
Proteinuria
Pyogenic Arthritis
Radiculopathy
Reflux Esophagitis
Respiratory Syncytial Virus
Restless Leg Syndrome
Rib Fracture
Ruptured Aortic Aneurysm
Secondary Malignancies
Sepsis
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Sexually Transmitted Diseases (STDs)
Shingles
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Shortness of Breath
Sinus Bradycardia
Sinus Tachycardia
Skin Ulcer
Sleep Apnea
Small Intestine Cancer
Swine Flu
Thyroid Cancer
Tobacco Use Disorder
Transient Ischemic Attack (TIA)
Tremor
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Urinary Incontinence
Urinary Stones
Urinary Tract Infection (UTI)
Vascular Insufficiency of Intestines
Venous Insufficiency
Ventral Hernia
Viral Infection
Vitamin B Deficiency
Vitamin B12 Deficiency
Vitamin D Deficiency
Wheezing
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Arterial Blood Gas Test (ABG)
Electrocardiogram (EKG)
Geriatric Assessment
Immunization Administration
Thoracentesis
Vaccination

Accepted Insurance Plans

* Please verify this information when scheduling an appointment.
  • Cigna HMO
    Cigna PPO
    Open Access Plus
  • BlueCard PPO
  • Blue Preferred Plus POS
  • Blue Preferred Options-MO PPO
  • Blue Choice Select PPO
  • HealthyBlue Advantage

Where Dr. Karthik Iyer, MD Sees Patients

  1. 1 Mercy Hospital Jefferson
    1400 US Highway 61, Crystal Cty, MO 63028
    Icon Directions Right Arrow Directions Phone Icon (636) 933-5337
  2. 2 Mercy Aco Clinical Services Inc.
    15740 South Outer 40 Rd, Chesterfield, MO 63017
    Icon Directions Right Arrow Directions Phone Icon (636) 237-4361

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Meet Dr. Karthik Iyer, MD

Specialties*
Infectious Disease Medicine
Geriatric Medicine
Critical Care 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.
Common Questions and Answers
Responses are sourced directly from patients.
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Does Dr. Iyer specialize in working with children or adolescents?
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Does Dr. Iyer specialize in working with seniors?
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Does Dr. Iyer specialize in couples therapy?
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FAQs About Dr. Iyer's Practice

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. Karthik Iyer, MD. To arrange an appointment, call the number on Dr. Iyer's profile.

Dr. Karthik Iyer, MD is affiliated with Mercy Hospital Jefferson.

Yes, Dr. Karthik Iyer, MD holds board certification in Critical Care Medicine, Infectious Disease and Internal Medicine.
Training & Medical Education
Medical Education
  • UNIVERSIDAD HEBREA ARGENTINA BAR ILAN / FACULTAD DE CIENCIAS BIOLOGICAS
    2004
Medical Education
Board Certifications
  • Critical Care Medicine, Infectious Disease and 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.

Hospitals Where Dr. Karthik Iyer, MD Practices

  • Mercy Hospital Jefferson

    1400 US Highway 61, Crystal Cty, MO

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