Todd A Mahr, MD - Medicare Allergy/immunology in La Crosse, WI

Todd A Mahr, MD is a medicare enrolled "Pediatrics - Pediatric Allergy/immunology" physician in La Crosse, Wisconsin. He went to University Of Wisconsin School Of Medicine and graduated in 1984 and has 40 years of diverse experience with area of expertise as Allergy/immunology. He is a member of the group practice Gundersen Regional Clinics, Llc, Gundersen Lutheran Medical Center Inc, Gundersen Lutheran Medical Center Inc and his current practice location is 1836 South Ave, La Crosse, Wisconsin. You can reach out to his office (for appointments etc.) via phone at (608) 782-7300.

Todd A Mahr is licensed to practice in Wisconsin (license number 26831) and he also participates in the medicare program. He accepts medicare assignments (which means he accepts the Medicare-approved amount; you will not be billed for any more than the Medicare deductible and coinsurance) and his NPI Number is 1659374411.

Contact Information

Todd A Mahr, MD
1836 South Ave,
La Crosse, WI 54601-5429
(608) 782-7300
Not Available

Map and Direction




Physician's Profile

Full NameTodd A Mahr
GenderMale
SpecialityAllergy/immunology
Experience40 Years
Location1836 South Ave, La Crosse, Wisconsin
Accepts Medicare AssignmentsYes. He accepts the Medicare-approved amount; you will not be billed for any more than the Medicare deductible and coinsurance.
  Medical Education and Training:
  • Todd A Mahr attended and graduated from University Of Wisconsin School Of Medicine in 1984
  NPI Data:
  • NPI Number: 1659374411
  • Provider Enumeration Date: 05/24/2005
  • Last Update Date: 10/08/2013
  Medicare PECOS Information:
  • PECOS PAC ID: 5193782878
  • Enrollment ID: I20041214000784

Medical Identifiers

Medical identifiers for Todd A Mahr such as npi, medicare ID, medicare PIN, medicaid, etc.
IdentifierTypeStateIssuer
1659374411NPI-NPPES
30685900MedicaidWI

Medical Taxonomies and Licenses

TaxonomyTypeLicense (State)Status
2080P0201XPediatrics - Pediatric Allergy/immunology 26831 (Wisconsin)Primary
2080P0201XPediatrics - Pediatric Allergy/immunology 29460 (Iowa)Secondary
2080P0201XPediatrics - Pediatric Allergy/immunology 37440 (Minnesota)Secondary

Medical Facilities Affiliation

Facility NameLocationFacility Type
Gundersen Lutheran Medical CenterLa crosse, WIHospital

Group Practice Association

Group Practice NameGroup PECOS PAC IDNo. of Members
Gundersen Regional Clinics, Llc882045091949
Gundersen Lutheran Medical Center Inc2163331414789
Gundersen Lutheran Medical Center Inc2163331414789

Medicare Reassignments

Some practitioners may not bill the customers directly but medicare billing happens through clinics / group practice / hospitals where the provider works. Medicare reassignment of benefits is a mechanism by which practitioners allow third parties to bill and receive payment for medicare services performed by them. Todd A Mahr allows following entities to bill medicare on his behalf.
Entity NameGundersen Clinic Ltd
Entity TypePart B Supplier - Clinic/group Practice
Entity IdentifiersNPI Number: 1851343115
PECOS PAC ID: 9638082779
Enrollment ID: O20040130000561
Entity NameGundersen Regional Clinics, Llc
Entity TypePart B Supplier - Clinic/group Practice
Entity IdentifiersNPI Number: 1699461558
PECOS PAC ID: 8820450919
Enrollment ID: O20230822002401

Medicare Part D Prescriber Enrollment

Any physician or other eligible professional who prescribes Part D drugs must either enroll in the Medicare program or opt out in order to prescribe drugs to their patients with Part D prescription drug benefit plans. Todd A Mahr is enrolled with medicare and thus, if eligible, can prescribe medicare part D drugs to patients with medicare part D benefits.

Mailing Address and Practice Location

Mailing AddressPractice Location Address
Todd A Mahr, MD
1836 South Ave,
La Crosse, WI 54601-5429

Ph: (608) 782-7300
Todd A Mahr, MD
1836 South Ave,
La Crosse, WI 54601-5429

Ph: (608) 782-7300

Reviews and Comments


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Antoinette M Peters, MD
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Medicare Program: Medicare is a federal government program which provides health insurance to people who are 65 or older. This program also covers certain younger people with disabilities (who receive Social Security Disability Insurance - SSDI), and people with End-Stage Renal Disease (permanent kidney failure requiring dialysis or a transplant, sometimes called ESRD.

Medicare Assignment: Assignment means that your doctor, provider, or supplier agrees (or is required by law) to accept the Medicare-approved amount as full payment for covered services. Most doctors, providers, and suppliers accept assignment, but you should always check to make sure. Participating providers have signed an agreement to accept assignment for all Medicare-covered services.

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