Allergists in the Janesville area
4 doctors with an allergy or immunology specialty list a practice address in the Janesville-Beloit, WI metro area. 4 are in current Medicare records as allergists.
Allergists 4
Beloit 1
Margaret M. Lowery, MDAllergist
Beloit Health System Inc1905 E Huebbe Pkwy, Beloit, WI 53511(608) 364-2200
Medicare records: allergy/immunology (October 2026).Accepts Medicare assignment.Report a problem
Janesville 3
Reena A. George, MDAllergist
Mercy Health System Corporation1000 Mineral Point Ave, Janesville, WI 53548(608) 756-6000
Mercy Health System Corporation3524 E Milwaukee St, Janesville, WI 53546(608) 756-7100
Medicare records: allergy/immunology (October 2026).Accepts Medicare assignment.Report a problem
Yusaf M. Hussain, DOAllergist
Mercy Health System Corporation1000 Mineral Point Ave, Janesville, WI 53548(608) 756-6000
Medicare records: allergy/immunology (October 2026).May accept Medicare assignment.Report a problem
Ashleigh A. Olson, MDAllergist
Dean Health Systems Inc3200 E Racine St, Janesville, WI 53546(608) 371-8000
Medicare records: allergy/immunology (October 2026).Accepts Medicare assignment.Telehealth in Medicare claims.Report a problem
Older registry records 1
These doctors list an allergy specialty and a practice address in the Janesville area in the national provider registry, but haven’t updated their record in five years or more and don’t appear in current Medicare records. Many have probably moved or retired. Call before you go.
Show the older records
Tad M. Johnson, MDAllergist
3524 E Milwaukee St, Janesville, WI 53546(608) 756-7100
National provider registry only, not updated since 2012. May have moved or retired.Report a problem
From CMS’s Doctors and Clinicians file (October 2026) and the national provider registry, NPPES (October 2026). Listings are free and in alphabetical order; we don’t rate or recommend doctors. How we list doctors