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  • Nephrology, Internal Medicine
  • Accepting new patients
  • 56 years of experience
  • Fresenius Kidney Care Thousand Oaks 227 W Janss Rd Ste 115, Thousand Oaks, CA 91360
  • (805) 496-6071

Brief Intro

Dr. Lessman was raised in California, and went to college and to medical school at UCLA; he did his internship and residency in Internal Medicine at USC, and was Senior Resident in Medicine from 1975-1976. He did his Nephrology fellowship at the Wadsworth VA Hospital and UCLA. Dr. Lessman is board certified by the American Board of Internal Medicine, in the specialty of Internal Medicine and the subspecialty of Nephrology. Dr Lessman was an Assistant Clinical Professor of Medicine on the clinical faculty of the UCLA School of Medicine from 1977 until 1990. He is a member of the American Society of Nephrology, the National Kidney Foundation, Southern California chapter, the International Society of Nephrology, the Ventura County Medical Society, the California Medical Association, and The AMA. Dr. Lessman has been on the medical staff at Los Robles Medical Center since 1977 and served on the Board of Trustees from 1987-1989. He has been Chairman of the Pharmacy and Therapeutics Committee since 1979.

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Education Background

RESIDENCY

U S Department Of Veterans Affairs

MEDICAL SCHOOL

University Of California Los Angeles David Geffen School Of Medicine

David Geffen School Of Medicine At Ucla - 1969

Languages Spoken

  • English
  • Spanish

Location & Hours

  • Fresenius Kidney Care Thousand Oaks
  • 227 W Janss Rd Ste 115, Thousand Oaks, CA 91360
  • Mon:3:00 am - 4:00 pm
    Tue:3:00 am - 4:00 pm
    Wed:3:00 am - 4:00 pm
    Thu:3:00 am - 4:00 pm
    Fri:3:00 am - 4:00 pm
    Sat:3:00 am - 4:00 pm
    Sun:Closed

Specialties Treated

  • Nephrology
  • Internal Medicine

Conditions Addressed

  • Acute Renal Failure
  • Chronic Renal Disease

Procedures Performed

  • Dialysis Procedures

Insurance Accepted

* Insurance information may change frequently. Please verify directly with the provider (doctor/clinic).

  • Medicare
  • Tricare
  • Cancer 86
  • Cardiology, Heart & Vascular Surgery 79
  • Orthopedics 161
  • Neurology & Neurosurgery 120
  • Gastroenterology & GI Surgery 149
  • Pulmonology & Lung Surgery 161
  • Diabetes & Endocrinology 65
  • Children's Hospital 18
  • Urology 149
  • Psychiatry 91
  • Geriatrics 143
  • Rehabilitation 73
  • Obsterics & Gynecology 23
  • Ophthalmology 8
  • Ear, Nose & Throat 10
  • Rheumatology 4
  • Long Term Care 19
  • Maternity Care (Uncomplicated Pregnancy) 99