Dedicated to your Cardiovascular Health Proudly serving Newton IOWA HEART CENTER - NEWTON 300 N. 4TH AVE. E, Ste 160 (641) 841-1400 HOURS: Monday - Friday, 8 a.m. to 4:30 p.m. SERVICES: Cardiac, vascular and heart rhythm consultations and visits Holter monitors MERCY ONE. lowa Heart Center PROVIDERS: Joseph Doerer, MD Jason Meyers, MD (EP) Michael Fraizer, MD Harold Hsu, MD Vascular surgeon Gardar Sigurdsson, MD Mary Hackbarth, ARNP Dedicated to your Cardiovascular Health Proudly serving Newton IOWA HEART CENTER - NEWTON 300 N. 4TH AVE . E , Ste 160 ( 641 ) 841-1400 HOURS : Monday - Friday , 8 a.m. to 4:30 p.m. SERVICES : Cardiac , vascular and heart rhythm consultations and visits Holter monitors MERCY ONE . lowa Heart Center PROVIDERS : Joseph Doerer , MD Jason Meyers , MD ( EP ) Michael Fraizer , MD Harold Hsu , MD Vascular surgeon Gardar Sigurdsson , MD Mary Hackbarth , ARNP