Provider records sourced from NPPES (CMS National Plan & Provider Enumeration System). Data current as of August 10, 2026.

Dr. Thao T Doan, MD

Individual provider Allergy & Immunology Physician · NPI 1649749813

Dr. Thao T Doan, MD is an Allergy & Immunology Physician in Libertyville, Illinois. Practices as a sole proprietor. Licensed in Illinois.

Licensed in
IL
In the registry since
2018
What do these letters mean?
MD — Doctor of Medicine
A physician who completed allopathic medical school.

See every abbreviation used in this directory →

Practice location Address checks out

523 Sandy Ln
Libertyville, IL 60048-3553
Phone: (847) 816-7245
Show map & directions

Pin is approximate — placed at the ZIP-code centre, not the exact door.

Specialties & licences

Allergy & Immunology Physician (primary) Taxonomy 207K00000X · Licence 036.079568 (IL)

Record details

NPI number1649749813
Entity typeIndividual (Type 1)
GenderFemale
Credentials MD
Sole proprietorYes
NPI enumeratedNovember 17, 2018
Last updated in NPPESNovember 17, 2018