Dr. Klaus-Dieter Lessnau, MD

Dr. Klaus-Dieter Lessnau, MD

Internal Medicine  ·  
Male  ·  
Age 63
Dr. Klaus-Dieter Lessnau, MD is an internal medicine specialist in New York, NY and has been practicing for 25 years. He graduated from Friedrich Alexander University Erlangen in 1985 and specializes in internal medicine, critical care medicine, and more.Read his story

110 E 59th St

New York, NY 10022

Contact Information

Insurance Accepted

  • Aetna
  • Blue Cross Blue Shield
  • Cigna
  • EmblemHealth
  • Oxford Health Plans
  • UnitedHealthCare

*Please verify this information when scheduling an appointment.

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Dr. Lessnau's Experience

Dr. Lessnau's experience matches your search based on the following criteria:
  • Based on total number of patients treated over the last 12 months
  • Specializes in Internal Medicine
  • Board certified in Critical Care Medicine, Internal Medicine, Pulmonary Disease, Pulmonology and Sleep Medicine
  • No malpractice claims found
  • No sanctions found
  • No board actions found

Dr. Lessnau's bio

This content was provided by Dr. Lessnau "I have always believed in highly educated professional work. With IM PUD CCM Sleep IP Nephrology and many years of experience I am very well equipped to help my patients. My focus is improvement of the patient! I am also board certified in bronchology and interventional pulmonology."

Care Philosophy

This content was provided by Dr. Lessnau "I believe in very high quality care for my patients. Superdoctor as by New York Times Magazine 2014 Best Doctor as by New York Magazine 2014"

7  Specialties

  • Internal Medicine
  • Critical Care Medicine
  • Interventional Pulmonology
  • Invasive Pulmonology
  • Pulmonary Disease
  • Pulmonary Rehabilitation
  • Sleep Medicine

5  Board Certifications

  • Critical Care Medicine
    Accredited by: American Board of Medical Specialties*
  • Internal Medicine
    Accredited by: American Board of Internal Medicine*
  • Pulmonary Disease
    Accredited by: American Board of Internal Medicine*
  • Pulmonology
    Accredited by: American Board of Medical Specialties*
  • Sleep Medicine
    Accredited by: American Board of Medical Specialties*

49  Conditions Treated

Read Less

17  Procedures

Background Check

0 Malpractice Claims

No malpractice history found for New York.

0 Sanctions

No sanctions history found for the years that Healthgrades collects data.

0 Board Actions

No board actions found for the years that Healthgrades collects data.


  • Martin Behaim Gymnasium, West Germany
    Undergraduate School | Graduated 1975
  • Friedrich Alexander University Erlangen
    Medical School | Graduated 1985
  • Center Of Im
    Internship Hospital | Completed 1988
  • Cabrini Mc
    Residency Hospital | Completed 1991
  • Cabrini Mc
    Fellowship Hospital | Completed 1993
  • Mount Sinai Hospital
    Fellowship Hospital | Completed 1994
  • SUNY Downstate Medical Center
    Fellowship Hospital | Completed 1995

Awards & Recognition

Awards & Honors
  • Healthgrades Honor Roll
Media & Publications

Dr. Lessnau has no media or publications listed.

Languages Spoken

  • French
  • German
  • Italian
  • Spanish
  • English

Memberships & Professional Affiliations

Dr. Lessnau does not have any memberships or affiliations listed. If you are Dr. Lessnau and would like to add memberships or affiliations, please update your profile.

Dr. Lessnau's Reviews

Likelihood to recommend Dr. Lessnau


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Average Wait Time
  • 10 – 15 minutes
Dr. Lessnau's Performance
  • Trustworthiness
  • Explains condition(s) well
  • Answers questions
  • Time well spent
Office & Staff Performance
  • Scheduling
  • Office environment
  • Staff friendliness
What People Say About Dr. Klaus-Dieter Lessnau, MD
Thanks for teaching me the difference between Fact and Faith: Fact is when any ordinary doctor diagnoses illness in a report. Faith is when good doctors like you give their patients the strength to recover. There are no words to say how thankful we are for the care that was given to my mother...Read More
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