William A. Haas, MD

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Affiliations
- BayCare Medical Group
- BayCare Physician Partners
- BayCare Physician Partners ACO
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Board Certifications
- AB Family Medicine - Family Medicine
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Gender
- Male
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Patient Reviews
All reviews have been submitted by patients after seeing this provider. To learn more click here.
Provider Explained Things ClearlyProvider Listened CarefullyProvider Was Easy To UnderstandProvider Knew Medical HistoryProvider Showed RespectProvider Spent Enough TimeRate Your Provider 0-10499 Reviews, 133 Comments10/31/2025 | BayCare Verified PatientVery good exchange and explanations on options10/8/2025 | BayCare Verified PatientDr Haas is so great for me and my partner who suggested him ... I brought him Haas avocados! (from my tree)10/8/2025 | BayCare Verified PatientHaas is the very best doctor9/12/2025 | BayCare Verified PatientAll good9/5/2025 | BayCare Verified PatientEnjoy the attentive staff
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Doctor Bio
Dr. William Haas is a dependable and accomplished family physician serving the community of Lutz, Florida area as part of BayCare Medical Group, where he sees patients age 18 and older. Dr. Haas attended Michigan State University, where he received his medical degree, and completed his internship in internal medicine and pediatrics at Kalamazoo Center for Medical Studies. He then completed his residency in family medicine at MidMichigan Medical Center, Midland.
Dr. Haas is board certified by the American Board of Family Medicine. He is devoted to ensuring the longevity of his patients’ health and developing long-lasting relationships with them. His clinical interests include diabetes, heart disease, and preventive medicine. He takes his time to understand symptoms and give correct diagnoses to ensure the continued health of all his patients. He is also a member of the American Academy of Family Physicians.
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Languages
- English
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Residency
- Mid Michigan Regional Med Ctr
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Specialties
- Family Medicine
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Education
- Kalamazoo Center For Medical Studies
Michigan State University
University Of Michigan
- Kalamazoo Center For Medical Studies