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  • Sacramento’s most experienced Vein Surgeon

  • Offering a Variety of Vein Treatments.

  • Consult with our Board-certified Surgeons.

Physician Profile

Our Physician

Daniel L. Monahan, M.D. opened Monahan Vein Clinic in 2001. He is one of the only physicians in Northern California who specializes solely in treatment of venous disease. He is board-certified in surgery and a fellow of the American College of Surgeons. The specialty of general surgery (along with its subspecialty of vascular surgery) is the only medical specialty that prepares a physician to address vein disease in its entirety.


Treating vein disease is not something to learn in a weekend course. Dr. Monahan’s formal training included more experience in vein treatment than typical surgical training, and he carried this expertise into his practice.

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You and Your Veins

Beautiful Legs

Millions of American adults suffer from varicose veins, usually as a result of age, heredity, pregnancy, weight gain or physical stress. Their symptoms include the following:

  • Knotty, ropey or bulging leg veins easily visible at the surface of the skin, usually dark red blue or purple in color
  • Legs that itch, burn, ache or throb
  • Legs that tire easily
  • “Restless leg syndrome” that prevents a good night’s sleep
  • Non-healing Ulcers


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About Monahan Vein Center

Beautiful Legs

Vein disease is a branch of surgery that, in the past, was trivialized and neglected.  New technology brought greater interest to the field in the last decade.  Many physicians from other fields now offer vein care treatment, though their training did not prepare them for comprehensive treatment of venous diseases. It’s difficult know how thorough a physician’s knowledge is in any particular area.  At Monahan Vein Clinic, you can be sure a comprehensive view is given to your treatment. We offer numerous vein treatment service such as:

  • Duplex Ultrasound
  • VNUS ClosureFAST / Venefit
  • Ambulatory Phlebectomy
  • Sclerotherapy
  • UGS (Ultrasound Guided Sclerotherapy)
  • Endovenous Chemical Ablation
  • Staged Treatment’ (see site)
  • Ligation & Stripping
  • Previously know as RF Closure, RF endovenous ablation

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