HeartPlace Allen is conveniently located in the Medical Building II on the Texas Health Presbyterian Hospital Allen campus. We have a wonderful group of physicians ready to serve you. At HeartPlace Allen, we offer a full range of cardiovascular diagnostic testing. This includes exercise stress testing, diagnostic cardiac ultrasound, as well as stress testing with echocardiographic imaging, vascular imaging, and arrhythmia monitoring. Call us today for your appointment. We look forward to meeting you and starting your journey to a healthy heart.


1105 Central Expressway North

Medical Building 2

3rd Floor, Suite 2330

Allen, Texas 75013


Fax: 844-290-4360

Dr. Richard Ammar

Dr. Amir Choudhry

Cynthia Keiser, MSN, APRN, ACNP-BC

Elaine Kim, DNP, MSN, APRN, FNP-C


Fax: 844-289-7691

Dr. Olusegun Oyenuga

Hours: 8am-5pm (Monday - Friday)


HeartPlace Allen Providers


Patient Forms

Procedure Instructions

Patient Packets

Patient Individual Forms

Romantic Couple


"I had a great experience. Wait time was less than 10 minutes. The staff was professional and courteous. The doctor asked questions, listened to my concerned and recommended treatment. All in all I couldn't be happier with the way I was treated."