Summary

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.
Read More Read less

Quick Facts

  • accepting new patients
  • 4.1
  • 57 years of experience
  • 10 insurance plans accepted
  • speaks English, Spanish
  • U S Department Of Veterans Affairs
  • 1 written review
  • 2 specialties
  • 9 areas of expertise
  • 2 board certifications
  • 1 hospital affiliation
  • 3 office locations
  • Male

Patients’ Perspective

  • Gave an accurate diagnosis
  • Had a good bedside manner
  • Spent time with me

Office Locations

Dr. Richard Kuntz Lessman has 3 locations

Lessman Richard Office

227 W Janss Rd Ste 110Thousand Oaks, CA 91360
Mon9:00 am - 5:00 pm
Tue9:00 am - 5:00 pm
Wed9:00 am - 5:00 pm
Thu9:00 am - 5:00 pm
Fri9:00 am - 12:00 pm
SatClosed
SunClosed

Davita Simi Valley Dialysis 05533

970 Enchanted WaySimi Valley, CA 93065
Mon8:00 am - 5:00 pm
Tue8:00 am - 5:00 pm
Wed8:00 am - 5:00 pm
Thu8:00 am - 5:00 pm
Fri8:00 am - 5:00 pm
SatClosed
SunClosed

Los Robles Regional Medical Center

215 W Janss RdThousand Oaks, CA 91360

Compare with Similar Doctors

Dr. Richard Kuntz Lessman, MD
Dr. Alexander Usmanov, MD
Dr. John Hyunsuk Pang, MD
Dr. Joseph Edward Beezy, MD
Dr. Richard Kuntz Lessman, MDDr. Alexander Usmanov, MDDr. John Hyunsuk Pang, MDDr. Joseph Edward Beezy, MD
NephrologyDiagnostic RadiologyInterventional CardiologyEmergency Medicine
Accepts New Patients Accepts New Patients Accepts New Patients
4.1 
4.1 
4.9 
57 Years of Experience 19 Years of Experience 24 Years of Experience 51 Years of Experience
No Virtual Visit Option No Virtual Visit Option No Virtual Visit Option No Virtual Visit Option
Speaks English, Spanish Speaks English, Spanish Speaks Spanish, English Speaks English, Spanish
Thousand Oaks , CAREDLANDS , CADowney , CAPanorama City , CA
Med School: University Of California Los Angeles David Geffen School Of Medicine Med School: Oregon Health & Science University School Of Medicine Med School: Northwestern University Feinberg School Of Medicine Med School: University Of California San Francisco School Of Medicine
Current Profile
View Profile View Profile View Profile

Insurance Plans Accepted by Dr. Richard Kuntz Lessman

  • Aetna
  • Aetna - HMO
  • BLUE CROSS of CALIFORNIA
  • Blue Shield of California
  • Medicare
  • Medicare - Medicaid
  • Medicare - Medicare
  • Tricare
  • UnitedHealthcare
  • UnitedHealthcare - Medicare

Medical Specialties

Dr. Richard Kuntz Lessman has the following 2 specialties

Specialty Expertise

Dr. Richard Kuntz Lessman has the following 9 areas of expertise

  • Chronic Kidney Disease (CKD)
  • Chronic Renal Disease
  • Dialysis
  • End Stage Renal Disease (ESRD)
  • Hemodialysis
  • Internal Medicine
  • Kidney Biopsy
  • Peritoneal Dialysis
  • Urinalysis

Certifications, License, & Education

57 Years Experience

MEDICAL LICENSE

Medical Doctor, California, 2026, Active

EDUCATION & TRAINING

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 UclaGraduated in 1969

Similar doctors

Frequently Asked Questions

Where is Dr. Richard Lessman's office located?
Dr. Richard Lessman's office is located at 227 W Janss Rd Ste 110, Thousand Oaks, CA, 91360.
What languages does Dr. Richard Lessman speak?
Dr. Richard Lessman speaks English and Spanish.
Which hospitals is Dr. Richard Lessman affiliated with?
Dr. Richard Lessman is affiliated with Encino Hospital Medical Center.
Does Dr. Richard Lessman accept virtual/telehealth appointments?
Dr. Richard Lessman has not indicated that they accept virtual/teleheatlh appointments. Contact their office through their Vitals profile to check for availability.
Does Dr. Richard Lessman accept my insurance?
You can see the insurance plans that Dr. Richard Lessman accepts on their Vitals profile.

Ensuring Data Transparency and Trust: A Guide to Vitals Doctor Listings and Reviews

Our provider data is gathered directly from physicians and publicly available databases. Providers who verify their profiles gain the ability to update information, offering additional details about their specialties,education, treated conditions, performed procedures, and accepted insurances.

Reviews on Vitals are submitted by users only. Recognizing the valuable insights these reviews offer into a doctor's reputation, we maintain internal policies and protocols to ensure the quality and accuracy of all reviews. Importantly, providers cannot delete or alter reviews independently. Reviews can only be deleted or changed following an internal assessment by our customer service team.

Your feedback is highly valued and we encourage you to contact our support team should you encounter any issues.