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 0-10458 Reviews, 119 Comments3/11/2026 | 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.3/6/2026 | BayCare Verified PatientDr Haas remembered me from my visit in late June or early July3/4/2026 | BayCare Verified PatientDr. Haas is a great doctor who cares about my well being. Hes honest and ethical. I feel comfortable seeing Dr. Hass.3/4/2026 | BayCare Verified PatientDr. Haas is the best general practitioner Ive ever had. He presents all options and allows the patient to decide the best course of action2/20/2026 | BayCare Verified PatientDr Haas is the reason I choose Baycare. Excellent PCP.
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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