Our Vein Center Team

Susan Aschan, LVN

Vein Center

Ms. Aschan is a Licensed Vocationa Nurse. She completed her training at Lawton Institute of Medical Studies, Santa Ana. She received certification as a Surgical Technologist from Newbridge College, Santa Ana. Her intership was completed at st. Joseph Hospital, Orange. Sh has also completed a seminar in the Fundamentals of Clincical Research and continues to participate in research studies.

Degrees & Training:

  • BLS
  • Fundamentals of Clinical Research, 2003
  • Surgical Technlogy Program and Internship, 2001
  • Licensed Vocational Nurse Program, 1979

Memberships & Affiliations:

  • Association of Clinical Research Coordinators (ACRP)

Mark Valenca, RVT

Vein Center

I have 20 years of experience performing peripheral vascular and extra cranial vascular ultrasound studies. Over the last ten years I have focused much of my career on identifying venous diseases of the lower extremities, at the same time I have been assisting physicians with ultrasound guidance and catheter placement during endovenous laser ablation as well as ultrasound guidance for chemical ablation.


Vascular Sonography

Noura Aman, B.S., RVT

Vein Center

Ms. Aman is a Registered Vascular Technologist. She received her ultrasound training at Thomas Jefferson University, receiving a Bachelors of Science in Radiological Sciences (Bascular Technlogy). She completed an externship in vascular ultrasound at Hoag Hospital "Heart & Vascular Institute" in Newport Beach, CA in 2006.


  • Registered Vascular Technologist

Degrees & Training:

  • Bachelors of Science in Vascular Ultrasound, Thomas Jefferson University, PA, 2006
  • Vascular Ultrasound Externship, Hoag Hospital Heart & Vascular Institute, Newport Beach, CA, 2005
  • Certificate of Achievement in Echocardiography, Orange Coast College, CA 2005

Our Providers

Our Provider

Arthur H. Loussararian, MD
Cardiology, Interventional Cardiology, Vascular Medicine
City:  Mission Viejo
4.8 out of 5

Meet Our Program Director

Our Locations

Mission Viejo - Vein Center

Mission Viejo - Vein Center

26800 Crown Valley Pkwy.
Suite 105
Mission Viejo, CA 92691

Mon - Fri: 8 a.m. - 5 p.m.

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