Allergists in the La Crosse area
8 doctors with an allergy or immunology specialty list a practice address in the La Crosse-Onalaska, WI-MN metro area. 5 are in current Medicare records as allergists.
Allergists 5
La Crosse 2
Ibrahim Al-Sanouri, MDAllergist
Gundersen Lutheran Medical Center Inc1910 S Ave, La Crosse, WI 54601(608) 782-7300
Medicare records: Pulmonary Disease (October 2026). Allergy specialty from the national provider registry.Accepts Medicare assignment.Report a problem
George F. Kroker, MDAllergist
615 10th St S, La Crosse, WI 54601(608) 782-2027
National provider registry only, updated July 2026.Report a problem
Onalaska 3
Jared I. Darveaux, MDAllergist
Gundersen Clinic Ltd1600 Main St, Onalaska, WI 54650(608) 783-4681
Gundersen Clinic Ltd3111 Gundersen Dr, Onalaska, WI 54650(608) 782-7300
Gundersen Clinic Ltd407 S Main St, Viroqua, WI 54665(608) 637-3195
Medicare records: allergy/immunology (October 2026).Accepts Medicare assignment.Report a problem
Demetrios S. Theodoropoulos, MDAllergist
Allergy Associates Holdings, Ltd2727 Midwest Dr, Onalaska, WI 54650
Medicare records: allergy/immunology (October 2026).Accepts Medicare assignment.Telehealth in Medicare claims.Report a problem
John P. Wheeler, Jr., MDAllergist
Mayo Clinic Health System-Southwest Wisconsin Region Inc191 Theater Rd, Onalaska, WI 54650(608) 392-5000
Mayo Clinic Health System-Southwest Wisconsin Region Inc700 W Ave S, La Crosse, WI 54601(608) 785-0940
Medicare records: allergy/immunology (October 2026).Accepts Medicare assignment.Telehealth in Medicare claims.Report a problem
Pediatric allergists 3
La Crosse 2
Samantha M. Knox, MDPediatric allergist
Gundersen Lutheran Medical Center Inc1836 S Ave, La Crosse, WI 54601(608) 783-7300
Medicare records: Pediatric Medicine (October 2026). Allergy specialty from the national provider registry.Accepts Medicare assignment.Report a problem
Eric M. Schauberger, DOPediatric allergist
Gundersen Lutheran Medical Center Inc1836 S Ave, La Crosse, WI 54601(608) 783-7300
Medicare records: allergy/immunology (October 2026).Accepts Medicare assignment.Report a problem
Onalaska 1
Todd A. Mahr, MDPediatric allergist
Gundersen Clinic Ltd1600 Main St, Onalaska, WI 54650(608) 783-4681
Gundersen Clinic Ltd226 2nd St N, Lacrescent, MN 55947(507) 895-6610
Gundersen Clinic Ltd3111 Gundersen Dr, Onalaska, WI 54650(608) 782-7300
Medicare records: allergy/immunology (October 2026).Accepts Medicare assignment.Report a problem
Older registry records 5
These doctors list an allergy specialty and a practice address in the La Crosse 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
La Crosse 2
Douglas R. Nelson, MDAllergist
800 West Ave S, La Crosse, WI 54601(608) 392-9881
National provider registry only, not updated since 2021. May have moved or retired.Report a problem
Vanee Songsiridej, MDAllergist
1836 South Ave, La Crosse, WI 54601(608) 782-7300
National provider registry only, not updated since 2015. May have moved or retired.Report a problem
Onalaska 3
Emily Melby, RDNAllergist
2727 Midwest Dr, Onalaska, WI 54650(608) 782-2027
National provider registry only, not updated since 2014. May have moved or retired.Report a problem
Mary S. Morris, MDAllergist
2727 Midwest Dr, Allergy Associates of La Crosse, Ltd., Onalaska, WI 54650(608) 782-2027
National provider registry only, not updated since 2011. May have moved or retired.Report a problem
Vijay K. Sabnis, MDAllergist
2727 Midwest Dr., Allergy Associates of La Crosse, Ltd., Onalaska, WI 54650(608) 782-2027
National provider registry only, not updated since 2011. 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