Charles Calais, DO, an Allergist-Immunologist with All-American Allergy Asthma & Immunology Center

Get to know Allergist-Immunologist Dr. Charles Calais, who serves patients in San Antonio, Texas.

Dr. Calais is a board-certified allergist-immunologist in practice with All-American Allergy Asthma & Immunology Center in San Antonio, Texas.

Locally, he is affiliated with Baptist, Methodist, Christus-Santa Rosa, Brooke Army Medical Center  and Carl R. Darnall Army Medical Center, with research interests in food allergies, upper/lower respiratory diseases and primary immunodeficiencies. 

With a broad educational background, Dr. Calais graduated with his Bachelor of Science degree in Biology from Fayetteville State University, his Master of Science degree in Health Services Administration from Central Michigan University, and his Doctor of Osteopathic Medicine degree from Philadelphia College of Osteopathic Medicine. He then went on to perform his internship and residency in internal medicine at San Antonio Military Medical Center, followed by his fellowship in allergy-immunology at the National Capital Consortium in Bethesda, MD. He is also an Assistant Professor of Medicine and Pediatrics with the Uniformed Services University School of Medicine.

Trained and certified to treat patients’ sensitivity and response to allergens of varying severity and origin, he is board-certified through the American Board of Allergy and Immunology (ABAI). He also is board certified in Internal Medicine through the American Board of Internal Medicine (ABIM). He is a Fellow of the American College Allergy Asthma and Immunology (FACAAI), American Academy of Allergy Asthma and Immunology (FAAAAI) and American College of Physicians (FACP).

He is also an active member of the Texas Medical Association (TMA), Texas Allergy, Asthma and Immunology Society (TAAIS), and Bexar County Medical Society (BCMS).  

Allergy and immunology involves the management of disorders related to the immune system. These conditions range from the very common to the very rare, spanning all ages and encompassing various organ systems. An allergist-immunologist is a physician specially trained to diagnose, treat and manage allergies, skin disorders, asthma, and immunologic disorders including primary immunodeficiency disorders.

Learn More about Dr. Charles Calais:
Through his findatopdoc profile, https://www.findatopdoc.com/doctor/81666467 or through Baptist Health System, https://www.baptisthealthsystem.com/find-a-doctor/detail/charles-calais-1356966287 

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Karen Johnson

Karen Johnson is an Associate Content manager for FindaTopDoc and responsible for working with distinguished physicians in documenting their significant accomplishments in their field. Karen is a CPR instructor and is a member of her local theater group.