John Lonergan MD
- Adult Care Dallas, TX
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John Lonergan, MD is a Doctor primarily located in Dallas, TX. Their specialties include Adult Care and Family Medicine. John Lonergan is affiliated with Veterans Affairs North Texas Health Care System.
Specialties & Expertise
John Lonergan has the following 2 specialties.
For the best health care, select a doctor who specializes in your medical condition.
Type 2 Diabetes
Type 2 diabetes is a chronic disease in which your body is unable to maintain a normal blood sugar (glucose) level.