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Dr. Thomas Defer, MD

Internal Medicine* Age 61
Dr. Thomas Defer, MD
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Dr. Thomas Defer, MD is an Internist in Saint Louis, MO.
Dr. Thomas Defer, MD
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Dr. Thomas Defer, MD

Internal Medicine* Age 61
Saint Louis, MO
Call for new patient details
35 years of experience
Dr. Thomas Defer, MD is an Internist in Saint Louis, MO.

About

Dr. Defer graduated from UNIVERSITY OF MISSOURI / COLUMBIA CAMPUS. Dr. Thomas Defer, MD is an Internist in Saint Louis, MO and has 35 years experience. Dr. Defer currently practices at Practice and are affiliated with Missouri Baptist Medical Center and Barnes Jewish Hospital. Dr. Defer's office is not accepting new patients. Dr. Defer is board certified in Internal Medicine and accepts multiple insurance plans.

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Experience Check

Enter a condition or procedure
Arterial Blood Gas Test (ABG)
Electrocardiogram (EKG)
Dehydration
Arterial Blood Gas Test (ABG)
Electrocardiogram (EKG)
Dehydration
Arterial Blood Gas Test (ABG)
Electrocardiogram (EKG)
Dehydration
Acute Upper Respiratory Infection
All Headaches (incl. Migraine)
Constipation
Joint Pain
Limb Pain
Shortness of Breath
Tobacco Use Disorder
Urinary Tract Infection (UTI)
Immunization Administration
Abdominal Pain
Abnormal Thyroid
Acidosis
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Acne
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Adult Failure to Thrive
Allergic Rhinitis
Anal or Rectal Pain
Anemia
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Animal Allergies
Anxiety
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Arthritis
Arthritis of the Elbow
Asthma
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Asymptomatic Post-Menopausal Status
Back Pain
Bedsores
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Benign Chronic Pain Syndrome
Bladder Infection
Blood in Urine (Hematuria)
Boil
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Bronchitis
Cachexia
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Calcium Metabolism Disorders
Cellulitis
Chest Pain
Chest Wall Pain Syndrome
Chronic Deep Vein Thrombosis (DVT)
Chronic Pain
Chronic Venous Embolism Thrombosis
COPD (Chronic Obstructive Pulmonary Disease)
Cough
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Deep Vein Thrombosis (DVT)
Diabetes Type 1
Diabetes Type 2
Diabetes With Renal Manifestations
Diabetic Polyneuropathy
Diarrhea
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Difficulty With Walking
Dizziness
Dyslipidemia
Dysphagia
Emphysema
Enlarged Prostate (BPH)
Enteritis
Essential Tremor
Fever
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Fibromyalgia
Foot Infection
Gait Abnormality
Gastritis
Gastroesophageal Reflux Disease (GERD)
Gastroparesis
Gastroptosis
Genital Warts
Genu Valgum
Gout
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Headache
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Heart Disease
Heart Palpitations
Hemorrhoids
Hernia
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Hives
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Hydrocele
Hypercalcemia
Hyperkalemia
Hyperlipidemia
Hypertension
Hypokalemia
Hypotension
Hypotension (Excluding Maternal)
Hypothyroidism
Hypoxemia
Influenza (Flu)
Insomnia
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Intestinal Diverticulitis
Iron Metabolism Disorders
Leg and Foot Ulcers
Limb Swelling
Limb Swelling Caused by Fluid Overload
Lipid Disorders
Low Back Pain
Magnesium Metabolism Disorders
Malaise and Fatigue
Malnutrition
Migraine
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Mineral Metabolism Disorders
Moles (Benign Skin Lesions)
Muscle Cramping
Muscle Spasm
Muscle Weakness
Nail and Nail Bed Infection
Nail Infection
Nausea
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Noninfectious Gastroenteritis and Colitis
Obesity
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Osteoarthritis
Osteoarthritis of Foot
Osteoarthritis of Hip
Osteoarthritis of Hip and Thigh
Osteoarthritis of Knee
Osteoarthritis of Shoulder
Osteoarthritis of Spine
Osteopenia
Osteoporosis
Overweight
Patellofemoral Pain Syndrome (PFPS)
Pericardial Disease
Peripheral Nerve Disorders
Phosphorus Metabolism Disorders
Plantar Fasciitis
Pneumonia
Pollen Allergy
Polyneuropathy
Proteinuria
Radiculopathy
Rash
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Rosacea
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Sarcoidosis
Sciatica
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Secondary Diabetes Mellitus
Secondary Hypertension
Secondary Renovascular Hypertension
Sexually Transmitted Diseases (STDs)
Sinus Bradycardia
Sinus Tachycardia
Sleep Apnea
Speech, Language and Learning Disorders
Sprains and Strains (incl. Muscle Tear)
Swine Flu
Thyroid Goiter
Tremor
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Trigeminal Neuralgia
Urinary Hesitancy
Urinary Incontinence
Urinary Stones
Venous Embolism and Thrombosis
Vertigo
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Viral Hepatitis
Vitamin B Deficiency
Vitamin D Deficiency
Warts
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Wheezing
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Insurance Accepted

* Please verify this information when scheduling an appointment.
  • Nexus Open Access
    Options PPO
    Navigate HMO
    Navigate POS
    Choice Plus POS
  • Blue Advantage - PCPs Only HMO
    Blue Cross Blue Shield of Illinois PPO
  • Health Alliance PPO
  • LocalPlus
    Cigna PPO
    Cigna HMO
    Open Access Plus

Locations

  1. 1 Washington University
    660 S Euclid Ave, Saint Louis, MO 63110
    Icon Directions Right Arrow Directions Phone Icon (314) 362-5060
  2. 2 Barnes-Jewish Hospital
    1 Barnes Jewish Hospital Plz, Saint Louis, MO 63110
    Icon Directions Right Arrow Directions Phone Icon (314) 286-1700

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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 MISSOURI / COLUMBIA CAMPUS
    1989
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. Thomas Defer, MD. To arrange an appointment, call the number on Dr. Defer's profile.

Dr. Thomas Defer, MD is affiliated with Missouri Baptist Medical Center and Barnes Jewish Hospital.

Yes, Dr. Thomas Defer, MD holds board certification in Internal Medicine.

Hospital Affiliations

  • Missouri Baptist Medical Center

    3015 N Ballas Rd, Saint Louis, MO

  • Barnes Jewish Hospital

    1 Barnes Jewish Hospital Plz, Saint Louis, MO