William Floyd Armstrong, MD
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Areas of Practice
General cardiology, surface transesophageal and stress echocardiography, pre-operative risk assessment, and aortic dissection.
Locations
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Cardiology Clinic | Frankel Cardiovascular Center 1425 E Ann St
Floor 3 Reception C
Ann Arbor, MI 48109-5856Get Directions -
Cardiology Clinic | Briarwood Health Associates 325 Briarwood Cir
Briarwood Building 5
Ann Arbor, MI 48108-1605Get Directions
Insurance Accepted
University of Michigan Health participates with most health insurance plans.
Education & Training
Medical School or Training
Residency
Fellowships
Board Certifications
Research Overview
Prognostic implications of echocardiography, echocardiography in congestive heart failure, and contrast echocardiography.
Patient Ratings & Comments
Visit our Physician Ratings & Comments page to learn more about how patient ratings are collected, calculated, and updated to help you make an informed decision when choosing the right physician for your care.
Patient Ratings
264 Patient Ratings
Patient Comments
January 15, 2026 - "Dr. Armstrong listened to my concerns and then took swift action to have a test and then make a decision on the best way to proceed. [...]"
January 14, 2026 - "Dr. Armstrong was excellent. [...] He was patient when talking to my husband."
December 22, 2025 - "Dr. Armstrong has always been a caring, knowledgeable professional to me and our family!He was crucial in my care and life saving surgery."
December 3, 2025 - "Dr. Armstrong listens and advises. A true professional."
December 3, 2025 - "Dr. Armstrong is the best!"
November 6, 2025 - "Dr. Armstrong was wonderful he put me at ease and explained my condition thoroughly"
October 23, 2025 - "Dr. Armstrong certainly knows his stuff. [...] He did his very best with the information that we had, and created a longer-term comprehensive plan for me..."
September 24, 2025 - "Dr. Armstrong is an exemplary physician. He's patient, knowledgeable, clear, thorough and caring."
September 17, 2025 - "Dr Armstrong was attentive & informed me of my present condition & what to look fir in future, very informative!!!"
June 26, 2025 - "[...] Dr. Armstrong. Everything couldn't be better great doctor great organization."
