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License & Identifications

A medical license is required for a doctor to practice medicine in a particular state. Requirements vary by state but most require, at a minimum, post-graduate training in the doctor’s specific specialty. An NPI number is a national identifier unique to an individual health care provider and is managed by the Center for Medicare & Medicaid Services (CMS).

Learn more about Dr. Aaron Lessen:

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  1. Qualifications
  2. What's important to you

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Patient Reviews

Patient comments (1)

The overall average patient rating of Dr. Aaron Lessen is Good. Dr. Lessen has been reviewed by 6 patients who have provided 1 comments. The rating is 3.5 out of 5 stars.

Patient Ratings
Ease of Appointment 4.6
Promptness 3.2
Courteous Staff 3.7
Accurate Diagnosis 3.7
Bedside Manner 4.1
Spends Time with Me 3.0
Follows Up After Visit 3.2

Specialties & Research

Dr. Aaron Lessen, MD is board certified in Emergency Medicine.

Education & Awards

Dr. Lessen graduated from University of Pittsburgh .


Dr. Lessen has 1 hospital affiliations:

  • Swedish Medical Center 

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Additional Information
Dr. Aaron Yosef Lessen MD is a male Emergency Medicine Specialist, has 7 years of experience and practices in Emergency Medicine.
Where does Dr. Aaron Y. Lessen practice?
Dr. Aaron Lessen has 1 office location.
Dr. Aaron Lessen practices Emergency Medicine near Englewood, CO.
See Englewood Emergency Physicians.