Sonia Cajigal, MD

Allergist & Immunologist

Dr. Sonia Cajigal is an Allergist & Immunologist in St. Peters, MO with special training and skill in diagnosing and treating conditions that affect the immune system. As an Allergist & Immunologist, Sonia Cajigal, MD performs therapies to treat conditions like asthma, allergic reactions, and immune system disorders. Allergy & Immunology is concerned with addressing the causes and treating the symptoms of immune deficiencies and hypersensitivities. Significant diseases and conditions treated by Allergists & Immunologists include allergic conjunctivitis, gastroenteritis, eczema, immune deficiencies, organ transplants, asthma, and allergic reactions to pollen, mold, food, drugs, and insect stings. Medical tests, procedures and therapies provided by Allergists & Immunologists include allergy testing, allergy injection treatment, prescribing medication, and referring patients to other specialists as needed.

An allergist-immunologist is trained in evaluation, physical and laboratory diagnosis, and management of disorders involving the immune system. Selected examples of such conditions include asthma, anaphylaxis, rhinitis, eczema, and adverse reactions to drugs, foods, and insect stings as well as immune deficiency diseases (both acquired and congenital), defects in host defense, and problems related to autoimmune disease, organ transplantation, or malignancies of the immune system.

• Aetna [Aetna Health Inc. (a PA corp.)]

• Ambetter from Home State Health [Home State Health Plan, Inc]

• Anthem Insurance Companies, Inc.

• Cigna Healthcare [Cigna Health and Life Insurance Company]

• Health Management Network (HMN)

• HealthSCOPE Benefits

• HealthSmart [HealthSmart Holdings, Inc.]

• Healthy Blue

• HFN, LLC

• Humana [Humana Insurance Company]

• Medicaid

• Medicare

• Meridian Health Plan

• MO HealthNet

• Molina Marketplace [Molina Healthcare of Illinois, Inc.]

• Multiplan / PHCS [MultiPlan, Inc.]

• Point Comfort Underwriters

• Provider Partners Health Plans (PPHP)

• Three Rivers Provider Network

• TriCare

• UnitedHealthcare Insurance Company

• Wellcare [Wellcare Health Plans, Inc.]

• WellFirst Health