Biography & Education

  • Vascular surgery
Education Background
Medical School: University of Washington School of Medicine
Residency: UW and Swedish Medical Center
Fellowship: Lahey Clinic, Boston
  • English
Professional Associations
American College of Surgeons, Society for Vascular Surgery, Pacific Northwest Vascular Society, Society for Vascular Ultrasound, Seattle Surgical Society, Washington State Medical Association, King County Medical Society

Care Locations

801 Broadway
5th Floor
Seattle, WA 98122
Fax 206-215-5922
751 N.E. Blakely Dr.
Suite 3020
Issaquah, WA 98029
Fax 206-215-5922
Accepting New Patients
Accepting Medicare



Varicose veins with summer on the way

June 06, 2013
Ah, spring in the Puget Sound region. Visions of warm days, shorts and skirts and being self-conscious about varicose veins may be dancing in your head. Is there anything you can do? Some of us wear shorts and skirts anyway, ignoring furtive glances or curious comments, while others just hide their veins under hose or pants. A third option is available: treatment. Whether you’ve got little red, flat spider veins, big, blue bulging varicose veins, or something in between, you’ve got the same problem – just of a different magnitude. Spider veins and varicose veins occur in the legs when the one-way valves in the blood vessels no longer work right, which lets blood collect in the veins instead of flowing back to the heart. This makes the veins widen, often becoming unsightly and uncomfortable. Most commonly varicose veins near the skin surface are caused by leaky valves in veins deeper in the leg. Untreated, varicose veins typically worsen over time. T...

Traditional and New Technology in Treating Vascular Disease

February 22, 2012
On a daily basis, we see patients who are seeking treatment for hardening of the arteries, typically in the legs or neck (PAD-peripheral arterial disease); weakening of the main artery in the abdomen (AAA-abdominal aortic aneurysm); and varicose veins. In each case, there are traditional ways of being treated (what we call “Open” Vascular Surgery) as well as innovative alternatives (what we call “Endovascular” Surgery). How do we arrive at our recommenda...


Board Certifications
  • Vascular surgery
Services Provided
Clinical Interests
  • Aneurysmal Arterial Disease
  • Aneurysms
  • Angioplasty
  • Aortic Aneurysm
  • Aortic Stent Grafts
  • Arterial Bypass Grafting
  • Arterial Disease
  • Arterial Insufficiency
  • Arteriovenous Bypass
  • Arteriovenous Malformations
  • Atherosclerosis
  • Carotid Artery Disease
  • Carotid End Arterectomy
  • Carotid Endarterectomy
  • Carotid Surgery
  • Endoscopic Vascular Surgery
  • Endovascular Aneurysm Therapy
  • Endovascular Surgery
  • Leg Artery Bypass
  • Leg Vein Sclerosis
  • Limb Salvage
  • Lower Extrem. Amputation Prvntn
  • Lower Extremity Bypass
  • Minimally Invasive Procedures
  • Minimally Invasive Surgery
  • Non-Invasive Diagnostics
  • Peripheral Vascular Disease
  • Peripheral Vascular Dx
  • Renal Artery Bypass
  • Sclerotherapy
  • Stent Graft For Aneurysm
  • Stenting
  • Surgery
  • Ultrasound
  • Varicose Veins
  • Vascular Access
  • Vascular Disease
  • Vascular Disease Medical Rx
  • Vascular Surgeons
  • Vascular Surgery
  • Venous Disease


Patient Ratings and Comments
About Our Survey

The Patient Rating score is based on responses given during the CAHPS Patient Experience Survey. Responses are measured on a 10-point scale, with 10 being the best score. These scores are then translated to a 5-point scale in order to display results in a 5-star rating. Comments are also gathered from the same survey and displayed in their entirety with the exception of any language that may be considered slander, libel or contain private health information, which will be removed prior to publishing the comments.

4.6 out of 5 (69 Ratings, 6 Comments)


Dr. Lange and the P.A.'s and nurses are a very laid back, fun (and funny) group of people. They put you at ease very quickly.
Swedish Patient

Very personable.
Swedish Patient

My appointment with Dr. Lange could not be better.
Swedish Patient

[...] very unprofessional.
Swedish Patient

Visit went extremely well.
Swedish Patient

Doctor let us make the decision whether to have open surgery or not.
Swedish Patient