 Dr. Chalaya invites you to celebrate their 25th anniversary Friday, August 2nd, from 9 a.m. to 4 p.m., offering free BP checks, blood sugar checks, EKGs, and echocardiogram screening tests. If you have questions about your heart, book an appointment with Dr. Chalaya, the most experienced cardiologist in North Dakota. Come celebrate their 25th anniversary August 2nd, 9 to 4 p.m.