Dr. O'Brien is on Doximity
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Office
9200 W Wisconsin Ave
Milwaukee, WI 53226Phone+1 414-805-6850Fax+1 414-805-6851
Education & Training
University of Illinois College of MedicineClass of 2014, MD
Northwestern UniversityBA
Certifications & Licensure
WI State Medical License 2015 - 2025- American Board of Internal Medicine Internal Medicine
- American Board of Internal Medicine Geriatric Medicine
Professional Memberships
- Member
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