Dr. Klaus Lessnau is an experienced and highly regarded Pulmonology and Sleep Medicine doctor who joined 14 Street Medical Arts team to serve Lower East side community in NYC. Dr. Lessnau is board certified Pulmonology, Bronchology, Sleep Medicine Disorders and Critical Care doctor with over 30 years of experience. Dr. Lessnau is a highly respected and established physician who was named Best Doctor by New York Magazine in 2014. He is currently serving as a Director of Critical Care Medicine at Lennox Hill Hospital.


Years Experience: 34

Dr. Lessnau's Specialties

Dr. Lessnau's Education & Training

Medical School
Friedrich Alexander University; Graduated 1985


  • Overall Rating

  • Rate
    Explains conditions & treatments

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    Takes time to answer my questions

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    Provides follow-up as needed

Dr. Lessnau's Accepted Insurance

Please verify insurance information directly with your doctor's office as it may change frequently.

Insurance Plans

  • Most Insurance Plans Accepted

Dr. Lessnau's Office Information & Appointments

This physician has multiple office locations. See Office Information for details.


14 Street Medical Arts

332 E 14th St
New York, NY 10003

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Tel: (212) 235-1550

Fax: Not Available

Practice Website: www.14streetmedical.com

Accepting New Patients: Yes

Medicare Accepted: Yes

Medicaid Accepted: Yes

M 8:00 AM - 8:00 PM
T 8:00 AM - 8:00 PM
W 8:00 AM - 8:00 PM
T 8:00 AM - 8:00 PM
F 8:00 AM - 8:00 PM
S 9:00 AM - 4:00 PM
S 12:00 PM - 12:00 PM

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