Douglas F. McMahon, MD
Listed as an allergist, with 3 practice addresses in Baldwin and Osceola, Wisconsin, and Maplewood, Minnesota.
Practice locations 3
Baldwin Area Medical Center Inc
1100 Bergslien St
Baldwin, WI 54002Allergy and Asthma Center of Minnesota PLLC
2480 White Bear Ave N, Suite 104
Maplewood, MN 55109Ladd Memorial Hospital
2600 65th Ave
Osceola, WI 54020
From the records
- Specialty
- Allergist
- Records
- Medicare records: allergy/immunology (October 2026).
- Medicare
- Accepts the Medicare-approved amount as payment in full (Medicare assignment), according to CMS’s file. This applies to Original Medicare; Medicare Advantage plans have their own networks. What assignment means
- Medical school
- Georgetown University School of Medicine, graduated 2007 (Medicare records)
- Registry record
- Last updated February 2015
- NPI
- 1356533293 (national provider registry)
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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