Hamsa N. Subramanian, MD

Hamsa N. Subramanian

Contact Information

  • Office 314-872-3104
  • After Hours 314-872-3104
  • Fax 314-994-7105


Main Location

Signature Allergy & Immunology
555 N New Ballas Road
Suite 215
St. Louis, MO 63141
Get directions

Other Locations

Signature Allergy & Immunology – Sullivan
965 Mattox Drive
Building B
Sullivan, MO 63080

Hospital Affiliations

Missouri Baptist Medical Center

Areas of Interest

Allergy-Related Conditions, Treatment for Asthma and Hives, Skin Disorders, Eczema, Contact Dermatitis, Non-Allergic Rhinitis, Acute and Chronic Sinusitis, Recurrent Infections, Primary Immune Deficiencies


Dr. Subramanian is a board-certified allergy and immunology specialist who treats both children and adults. Her primary focus is educating and counseling patients, especially those with food allergies.

Outside of work, Dr. Subramanian likes to travel, volunteer in the community, and spend time with her family.

Dr. Subramanian accepts all major insurances. For more information, please visit our Insurance page.

Related Video


Medical School: Thanjavur Medical College
Residency: Internal Medicine, St. Mary's Hospital
Fellowship: Allergy and Immunology, Washington University

Certifications & Organizations

American Board of Internal Medicine
American Board of Allergy and Immunology