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 0-10446 Reviews, 116 Comments4/11/2026 | BayCare Verified PatientVery good4/8/2026 | BayCare Verified PatientDr. William Haas always spends time with you.In another words he doesnt rush you.4/4/2026 | BayCare Verified PatientAll good4/1/2026 | BayCare Verified PatientAll good3/11/2026 | BayCare Verified PatientDr. Haas is an amazing doctor that really shows he cares for his patients and is thorough and even gives options so that the patient is also involved in next steps and is well informed.
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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