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William Morris, MD

Area of Specialization

Interventional Cardiology

Contact Information

Patient Portal

Office Locations

100 High Street, B2
Buffalo, NY 14203



Dr. William Morris is board certified in internal medicine and cardiovascular disease. He brings to Great Lakes Cardiovascular more than 38 years practicing medicine. Dr. Morris has been a cardiologist at Buffalo Medical Group and a clinical assistant professor of medicine at the University at Buffalo Jacobs School of Medicine and Biomedical Sciences.


University of Ottawa, Ontario, Canada
Medical degree

University at Buffalo Jacobs Medical School and Mercy Hospital of Buffalo
Internal medicine specialty training

University of Toronto
Residency, cardiology


Accreditations and Associations

  • American Medical Association
  • American College of Physicians
  • American College of Cardiology
  • American Heart Association
  • American Society of Internal Medicine
  • Western New York Cardiovascular Society
  • Erie and New York State Medical Society


Research and Publications

Liang, S., Phillips, K.A., Wang, G., Keohane, C., Armstrong, J., Morris, W.M., Haas, J.S. “Tradeoffs of using administrative claims and medical records to identify the use of personalized medicine for patients with breast cancer.” Med Care


Hospital Affiliations

  • Buffalo General Medical Center
  • Gates Vascular Institute
  • Millard Fillmore Suburban Hospital
  • DeGraff Memorial Hospital
  • ECMC
  • Mercy Hospital of Buffalo
  • Buffalo VA Medical Center
  • Olean General Hospital
  • Olean Medical Group

Great Lakes Cardiovascular

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If you have any questions about our practice or services, please contact us to speak with a knowledgeable representative.


Our Great Lakes Cardiovascular Locations

12845 Broadway Street
Alden, NY 14004
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1091 Main St., Ste. 301
Buffalo, NY 14209
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100 High St.
Buffalo, NY 14203
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Bradford Regional Medical Center
116 Interstate Parkway, Ste. 21
Bradford, PA 16701
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529 Central Ave.
Dunkirk, NY 14048
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3898 Vineyard Dr. Ste. 1
Dunkirk, NY 14048
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5844 Southwestern Blvd., Ste. 100
Hamburg, NY 14048
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475 South Transit Road Ste. 200
Lockport, NY 14094
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571 10th Street, Suite 264A
Niagara Falls, NY 14301
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2223 W. State St., Ste. 120
Olean, NY 14760
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515 Main St.
Olean, NY 14760
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5959 Big Tree Rd., Ste. 102
Orchard Park, NY 14127
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400 N Main Street
Warsaw, NY 14569
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705 Maple Rd. 
Williamsville, NY 14221
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