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Dr. Jonathon Posthumus, MD
Allergy & Immunology* Age 45
Dr. Jonathon Posthumus, MD

Offers telehealth

Dr. Jonathon Posthumus, MD is an Allergist-Immunologist in Fredericksburg, VA.
Dr. Jonathon Posthumus, MD

Dr. Jonathon Posthumus, MD

Allergy & Immunology* Age 45
Fredericksburg, VA
Accepting new patients

Offers telehealth

Dr. Jonathon Posthumus, MD is an Allergist-Immunologist in Fredericksburg, VA.
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About Dr. Jonathon Posthumus, MD

Dr. Jonathon Posthumus, MD is an Allergist-Immunologist in Fredericksburg, VA. Dr. Posthumus currently practices at Allergy Partners PLLC and is affiliated with Mary Washington Hospital. Dr. Posthumus has experience treating conditions like Asthma, Mild Asthma, Allergic Rhinitis, Hives, Severe Asthma, Allergic Conjunctivitis, Toxic Effect of Venom, Atopic Dermatitis (Eczema), Moderate Asthma, Pollen Allergy, Animal Allergies, Eczema and Contact Dermatitis, Angioedema and Anaphylaxis among other conditions at varying frequencies. Dr. Posthumus's office accepts new patients and telehealth appointments. Dr. Posthumus is board certified in Allergy & Immunology and accepts multiple insurance plans.

Offers Telehealth

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

Experience Check

Enter a condition or procedure
Asthma
Mild Asthma
Allergic Rhinitis
Asthma
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Mild Asthma
Allergic Rhinitis
Hives
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Severe Asthma
Allergic Conjunctivitis
Toxic Effect of Venom
Desensitization
Atopic Dermatitis (Eczema)
Moderate Asthma
Pollen Allergy
Honeybee Desensitization Therapy
Food Desensitization Therapy
Aeroallergen Hyposensitization Therapy
Allergy Treatment
Allergy Shots
Animal Allergies
Eczema and Contact Dermatitis
Angioedema
Anaphylaxis
Dermatitis Due to Substances Taken Internally
Immunodeficiency Syndromes
Drug or Food Challenge
Wasp Desensitization Therapy
Bronchospasm
Chronic Sinusitis
Rash
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Food Challenge
Allergy Shots for Insect Stings
Dermatitis Due to Drugs
Food Allergy
Patch Testing
Sinusitis
Drug Desensitization Therapy
Anaphylactic Food Allergies
Itchy Skin
Bronchitis
Dermatitis Due to Food
Esophagitis
Dyshydrotic Eczema
IgA Deficiency
Anaphylactic Tree Nut Allergy
Abdominal Pain
Abnormal Thyroid
Acute Bronchitis
Acute Kidney Infection
Acute Upper Respiratory Infection
All Headaches (incl. Migraine)
All Types of Food Poisoning
Allergic Reaction
Allergic Rhinitis Due to Food
Anaphylactic Egg Allergy
Anaphylactic Fish Allergy
Anaphylactic Milk and Dairy Allergy
Anaphylactic Peanut Allergy
Anaphylactic Shell Fish Allergy
Anemia
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Anosmia
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Anxiety
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Arthritis
Aspergillosis
Bronchiectasis
Calcium Metabolism Disorders
Cellulitis
Chest Pain
Chronic Pharyngitis
Cold Sore
Combined Immunodeficiency
Constipation
Contact Dermatitis
Cough
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Diabetes Type 1
Diabetes Type 2
Diabetes With Renal Manifestations
Diarrhea
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Dizziness
Dry Eyes
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Dry Skin
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Dyslipidemia
Dysphagia
Ear Ache
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Earwax Buildup
Eczema and Contact Dermatitis Due to Cosmetics
Eczema and Contact Dermatitis Due to Metals
Emphysema
Erythema Multiforme
Exercise Induced Asthma
Fever
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Food Poisoning
Gastritis
Gastroesophageal Reflux Disease (GERD)
Gout
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Hair Loss
Headache
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Heart Disease
Heart Palpitations
Herpes Simplex Infection
Herpes Zoster Without Complication
Hidradenitis Suppurativa
Hypercalcemia
Hyperlipidemia
Hypertension
Hypothyroidism
IgM Deficiency
Impetigo
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Infantile Eczema
Influenza (Flu)
Intertrigo
Irritable Bowel Syndrome
Jock Itch
Joint Pain
Kidney Infection
Lactose Intolerance
Latex Allergy
Limb Pain
Limb Swelling Caused by Fluid Overload
Lipid Disorders
Long COVID Disorder
Lyme Disease
Malaise and Fatigue
Mast Cell Diseases
Mastocytosis
Migraine
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Mineral Metabolism Disorders
Moles (Benign Skin Lesions)
Mononucleosis
Muscle Cramping
Muscle Weakness
Nasopharyngitis
Nausea
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Noninfectious Gastroenteritis and Colitis
Nosebleed
Obesity
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Otitis Media
Overweight
Patellofemoral Pain Syndrome (PFPS)
Pharyngitis
Pityriasis Alba
Pneumonia
Poison Ivy, Poison Oak, or Poison Sumac Poisoning
Postnasal Drip
Pulmonary Disease
Ringworm
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Rosacea
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Sarcoidosis
Scabies
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Seborrheic Dermatitis
Sexually Transmitted Diseases (STDs)
Shingles
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Shortness of Breath
Sickle Cell Disease
Sinus Bradycardia
Skin Infections
Strep Throat
Thyroid Goiter
Tinea Versicolor
Tinnitus
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Tobacco Use Disorder
Urinary Hesitancy
Venous Insufficiency
Vertigo
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Vitamin D Deficiency
Wheezing
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X-Linked Agammaglobulinemia
Allergy Skin Testing
Allergy Testing
Blood Allergy Testing
Drug Allergy Testing
Immunization Administration
Radioallergosorbent Test
Skin Testing and Screening
Smoking Cessation Counseling

Accepted Insurance Plans

* Please verify this information when scheduling an appointment.
  • Commercial Insurance Company
  • First Health (Coventry Health Care) PPO
  • Blue Card PPO
  • PHCS Network PPO
  • BlueCare-VA
    Option I-VA
  • Curative PPO Plus
    Curative EPO
    Curative PPO
  • HealthKeepers HMO
    KeyCare PPO
  • Southern Health PPO
  • Choice Care PPO
  • Cigna PPO
    Cigna
  • HealthyBlue Advantage
    HealthyBlue 2.0
  • Select

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Telehealth Options
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(540) 371-5660

Meet Dr. Jonathon Posthumus, MD

Specialties*
Internal Medicine
Allergy & Immunology
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
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Does Dr. Posthumus offer an online patient portal?
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FAQs About Dr. Posthumus'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. Jonathon Posthumus, MD. To arrange an appointment, call the number on Dr. Posthumus's profile.

Dr. Posthumus frequently treats the following conditions: Asthma, Mild Asthma, Allergic Rhinitis, Hives, Severe Asthma, Allergic Conjunctivitis, Toxic Effect of Venom, Atopic Dermatitis (Eczema), Moderate Asthma, Pollen Allergy, Animal Allergies, Eczema and Contact Dermatitis, Angioedema and Anaphylaxis. See more on Sharecare.

Dr. Jonathon Posthumus, MD is affiliated with Mary Washington Hospital.

Yes, Dr. Jonathon Posthumus, MD holds board certification in Allergy & Immunology.

Training & Medical Education
Board Certifications
  • Allergy & Immunology
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. Jonathon Posthumus, MD Practices

  • Mary Washington Hospital

    1001 Sam Perry Blvd, Fredericksburg, VA

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