HealthCareAtlasUSA

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Doctors / IA

TODD A MAHR, MD

ALLERGY/IMMUNOLOGY

Medical school: UNIVERSITY OF WISCONSIN SCHOOL OF MEDICINE

Graduated: 1984

NPI: 1659374411

Practice Locations (8)

GUNDERSEN REGIONAL CLINICS, LLC

1830 STATE HWY 9, SUITE 100

DECORAH, IA 521017301

5633823140

GUNDERSEN CLINIC LTD

226 2ND ST N

LACRESCENT, MN 559471111

5078956610

GUNDERSEN LUTHERAN MEDICAL CENTER INC

1122 W HWY 61

WINONA, MN 559871957

5076150600

GUNDERSEN LUTHERAN MEDICAL CENTER INC

1910 S AVE

LA CROSSE, WI 546015467

6087827300

GUNDERSEN LUTHERAN MEDICAL CENTER INC

1836 S AVE

LA CROSSE, WI 546015429

6087837300

GUNDERSEN LUTHERAN MEDICAL CENTER INC

2575 S 7TH ST, BETHANY RIVERSIDE

LA CROSSE, WI 546015429

6087758200

GUNDERSEN CLINIC LTD

3111 GUNDERSEN DR

ONALASKA, WI 546508447

6087827300

GUNDERSEN CLINIC LTD

1600 MAIN ST

ONALASKA, WI 546502838

6087834681

Source: CMS National Downloadable File, September 2026.

TODD MAHR, MD | HealthCareAtlasUSA