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Dr. William Johnson, MD

Allergy & Asthma*
4.2 (14)
Map Pin Small Saint Louis, MO
Accepting new patients
43 years of experience

Overview of Dr. William Johnson, MD

Dr. William Johnson, MD is an Allergy & Asthma Specialist in Saint Louis, MO. They specialize in Allergy & Asthma, has 43 years of experience, and is board certified in Allergy & Immunology. They graduated from University of Missouri School of Medicine and is affiliated with Mercy Hospital St. Louis, Hshs St. Elizabeth's Hospital and Hshs St. Joseph's Hospital Breese. Dr. Johnson, completed a residency at Phoenix Children's Hospital. Patients rated Dr. Johnson an average 4.2 star rating.

Dr. Johnson works at Practice in Saint Louis, MO with other offices in Belleville, IL. They are accepting new patients and accept Aetna, Anthem and Anthem Blue Cross Blue Shield as well as other major insurance plans. Please call ahead to schedule an appointment and to confirm all accepted insurance plans.

FindCare Super Profile Designation
Super Profile
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User Ratings (of at least 4.0)
Insurance Accepted
Headshot Available
Accepting New Patients
Conditions Treated and Procedures Performed

Dr. Johnson's Office Locations

  1. 1
    Office
    12818 Tesson Ferry Rd Ste 205, Saint Louis, MO 63128 Icon Directions Right Arrow Directions Phone Icon (314) 421-0663
  2. 2
    Office
    2900 Frank Scott Pkwy W Ste 914, Belleville, IL 62223 Icon Directions Right Arrow Directions Phone Icon (618) 277-1413

Hospital Affiliations
Admitting Hospitals

Admitting hospitals are where the provider is credentialed to see patients, perform procedures, and send patients for continuous care.

  • Mercy Hospital St. Louis
  • Hshs St. Elizabeth's Hospital
  • Hshs St. Joseph's Hospital Breese

Experience & Treatment Frequency

NEW FEATURE

What is treatment frequency?

Our treatment frequency feature helps you understand howoften a provider performs or treats a specificprocedure/condition compared to other doctors. Providersrank in one of four frequency categories:

Very HighFrequency
HighFrequency
NormalFrequency
May Perform

Specific procedures/conditions that don’t haveenough data are indicated with “May Perform”. We encourageyou to contact the provider with questions about theirexperience.

Search for conditions or procedures.
Patch Testing
Allergic Rhinitis
Asthma

Treatment frequency



Many providers have expertise treating multiple conditions or procedures. FindCare uses a variety of data sources to determine which conditions or procedures a provider treats and their level of experience.
Patch Testing
Allergic Rhinitis
Asthma
  • View other providers who treat Asthma
Animal Allergies
Hives
  • View other providers who treat Hives
Pollen Allergy
Aeroallergen Hyposensitization Therapy
Allergy Shots
Allergy Treatment
Desensitization
Food Desensitization Therapy
Honeybee Desensitization Therapy
Acute Sinusitis
All Types of Food Poisoning
Allergic Conjunctivitis
Anaphylactic Fish Allergy
Anaphylactic Food Allergies
Anaphylaxis
Angioedema
Atopic Dermatitis (Eczema)
Bronchospasm
Chronic Sinusitis
Common Variable Immune Deficiency (CVID)
Dermatitis Due to Drugs
Dermatitis Due to Food
Dermatitis Due to Substances Taken Internally
Eczema and Contact Dermatitis Due to Metals
Eosinophilia
Eosinophilic Esophagitis
Esophagitis
Food Allergy
Hypogammaglobulinemia
IgA Deficiency
Immunodeficiency Syndromes
Infantile Eczema
Itchy Skin
Nasopharyngitis
Penicillin Allergy
Rash
  • View other providers who treat Rash
Sinusitis
Toxic Effect of Venom
Allergy Shots for Insect Stings
Allergy Skin Testing
Allergy Testing
Allergy Testing for Hypersensitivity to Insects
Antibiotic Skin Testing
Blood Allergy Testing
Breath Testing
Bronchoprovocation Test
Drug Allergy Testing
Drug or Food Challenge
Food Challenge
Food Sensitivity Testing
Radioallergosorbent Test
Skin Testing and Screening
Check your insurance
    Close Icon
    Please double-check when making an appointment.

    View All Accepted Carriers

    • Aetna
    • Anthem
    • Anthem Blue Cross Blue Shield
    • Assurant Health
    • AvMed
    • Blue Cross and Blue Shield of Illinois
    • Blue Cross Blue Shield
    • Buckeye Community Health Plan
    • CareFirst Blue Cross Blue Shield
    • CHAMPVA
    • Cigna
    • Commercial Insurance Company
    • CoreSource
    • Coventry Health Care
    • Coventry Health Care of Missouri
    • First Health
    • HAP Insurance
    • HealthLink
    • Humana
    • MultiPlan
    • Thrivent Financial
    • UnitedHealthCare
    • Wells Fargo Insurance

    * Please verify this information when scheduling an appointment.

    Ratings & Reviews
    Reviews are displayed in date order and collected from patients who have agreed to reporting accurate and fair reviews. Providers with no reviews may have a new FindCare profile, or no submitted reviews on FindCare yet.

    Learn more about how FindCare's ratings and reviews work

    4.2
    Average provider rating
    Based on 14 ratings
    Patient Ratings (14)
    5 Star
    (9)
    4 Star
    (2)
    3 Star
    (1)
    2 Star
    (1)
    1 Star
    (1)
    Leave a review

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    Dr. Johnson'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. Johnson

    • 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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    About Dr. William Johnson, MD

    Specialties*
    • Allergy & Asthma

    • *Healthline does not verify qualifications for medical specialties. Please verify your provider's specialty and qualifications directly with your provider and applicable medical board.
    Specialties*
    Years of Experience
    • 43 years of experience
    Years of Experience
    Years of experience represents how long a provider has been practicing in their field since graduating from medical school. Not all providers will have this information available.

    Languages Spoken
    • English
    Languages Spoken
    NPI Number
    • 1669476495
    NPI Number
    A National Provider Identifier (NPI) is a unique 10-digit identifier issued by the government to healthcare providers.

    Education & Certifications

    Fellowship
    • Washington University
    Fellowship
    Residency
    • Phoenix Children's Hospital
    Residency
    Internship
    • Phoenix Childrens Hospital
    Internship
    Medical Education
    • University of Missouri School of Medicine
    Medical Education
    Undergraduate School
    • University of Missouri-Kansas City
    Undergraduate School
    Board Certifications
    • Allergy & Immunology and Pediatrics
    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.

    Frequently Asked Questions

    Dr. William Johnson, MD is accepting new patients on Healthline FindCare. You can check to see if Dr. Johnson is offering online scheduling or call the provider’s office for more information.

    Dr. Johnson has indicated that they do offer telehealth services. Please call the provider’s office at for more information.

    14 patients have reviewed Dr. Johnson. The overall rating for this provider is 4.2. You can read verified reviews and ratings and leave your own review based on your experience with Dr. Johnson.

    Whether a person prefers to schedule an appointment online or over the phone with Dr. Johnson, there are benefits to both methods. A person calling to schedule an with Dr. Johnson appointment can ask questions about the practice, provider availability, conditions treated, procedures performed, and if their insurance carrier is accepted. While online scheduling is quicker, easier, allows one to view a wide range of appointment times, and may provide the ability to sync with a personal calendar.

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