Like the family doctor of yesterday, good primary care physicians have a relationship with patients based on trust and shared experiences. They bring more to the patient than medical knowledge. They bring understanding based on family history. They can often recognize possible health problems because they have treated other family members.

The primary care physicians of Butler Medical Associates take pride in providing that kind of personal care to patients new and old. And they especially take pride in the trust each patient places in them.

Butler Medical Associates brings diverse expertise to the treatment of family health, with both family practice and internal medicine physicians, so that within the group, patients will find an extraordinary breadth of knowledge regarding their medical well-being.

Drs. Demby and Reefer are specialists in internal medicine, and Drs. Leighton and Shearer are family practitioners.

Regardless of whom you may choose, a hallmark of the practice is prompt treatment. Appointments are encouraged, but walk-in service is provided as well.

Dennis Demby, M.D.
Office hours: Mon. 9:30-4:45, Tues. 9:00-4:45, Wed. 9:00-4:45, Thurs. 9:00-4:45, Fri. 9:00-4:45

Dr. Demby is a graduate of Penn State University and the Temple University School of Medicine. He served his residency in internal medicine at Albert Einstein Medical Center in Philadelphia. He is a former chairman of the Butler Memorial Hospital Department of Medicine and the hospital’s quality assurance and quality improvement committees. Since 1993 he has also served as deputy coroner of Butler County and serves on the medical advisory board of the American Federation of Police.

Kevin Leighton, M.D.
Office hours: Mon. 9:15-4:30, Tues 8:00-2:00, Wed. 1:15-7:45, Thurs. 9:00-3:30, Fri. 9:15-4:30

Dr. Leighton received undergraduate and medical degrees, as well as a family medicine residency, at Dalhousie University in Halifax, Nova Scotia, with special emphasis in emergency medicine and trauma care. He is board certified in internal medicine. He was an emergency department physician in Halifax and Windsor, Nova Scotia and a maritime industry medical officer before joining BMA in 1995. Memberships and registrations include the Pennsylvania Medical Society, the Butler County Medical Society, the American Academy of Family Physicians, the American Board of Family Practice, and the College of Family Physicians of Canada.

John C. Reefer, M.D.
Office hours: Mon. 1:00-5:00 & Thurs. 1:00-5:00

If it wasn't for medicine, Dr. John Reefer might be a farmer. His love of fishing and the outdoors is one of the things that attracted him to Butler in the first place. Another is the sincere and honest nature of the people who live here.

Helping those people avoid or manage diabetes is a major reason why he stays.

A native of Pittsburgh, Dr. Reefer earned a B.A. from Johns Hopkins University and a medical degree from the University of Pittsburgh School of Medicine. He did his internal medicine internship and residency at Presbyterian University Hospital.

He is board certified in internal medicine with special qualifications in geriatric medicine, with a focus on the treatment and management of diabetes. He is a member of the American College of Physicians, the American Diabetes Association, the National Soccer Coaches Association of American and a certified referee of the United States Soccer Federation.

He has been on the staff of Butler Memorial Hospital since 1981 and is a former chairman of the department of medicine, past president of the medical staff and currently a member of the hospital's board of directors.

Hugh Shearer, D.O.
Office hours: Mon 9:00-4:15, Tues. 1:15-7:45, Wed. 8:15-4:30, Thurs. 8:15-4:30, Fri. 8:00-4:00

Dr. Shearer received his medical training from Kirksville (Missouri) College of Osteopathic Medicine following an undergraduate education in biology at Duquesne University. He interned at Richmond Heights General Hospital, Richmond Heights, Ohio and did his family practice residency at Meridia South Pointe Hospital in Warrensville Heights, Ohio. Dr. Shearer is board certified by the American Osteopathic Board of Family Physicians and is a member of the American Osteopathic Association, the Pennsylvania Medical Society and the Lawrence County Medical Society.

Jennifer Lazor (Physician Assistant)
Office hours: Mon 9:00-4:00, Tues. 9:00-4:00, Thurs. 9:00-4:00

DMs. Lazor holds Bachelor of Science degrees from Penn State University (biology) and Saint Francis College of Loretto (physician assistance). Before joining BMA she was a general practice physician assistant for Passavant Professional Associates. She is trained to perform diagnostic and therapeutic procedures, physical exams, follow up care, patient education and counseling. She is a member of the American Academy of Physician Assistants and the Pennsylvania Society of Physician Assistants. She joined Butler Medical Associates in 1997.

Trained to treat adult disease and prevention

A primary care physician and Butler Health System: A healthy combination

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