Browse Health
Allergy & Immunology Specialist
43 years of experience
Accepting new patients
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).

Patient Reviews

  • Currently 3 of 4 stars
Patient comments (1)

The overall average patient rating of Dr. Gary Siegel is Good. Dr. Siegel has been reviewed by 1 patients who have provided 1 comments. The rating is 3 out of 4 stars.

Patient Ratings
Ease of Appointment 4.0
  • Currently 4 of 4 stars
Promptness 4.0
  • Currently 4 of 4 stars
Courteous Staff 4.0
  • Currently 4 of 4 stars
Accurate Diagnosis 4.0
  • Currently 4 of 4 stars
Bedside Manner 2.0
  • Currently 2 of 4 stars
Spends Time with Me 4.0
  • Currently 4 of 4 stars
Follows Up After Visit 3.0
  • Currently 3 of 4 stars

Specialties & Research

  • He has special expertise in 2 areas:
  • Asthma
  • Sinus Infection (Sinusitis)

Education & Awards

Dr. Siegel graduated from State University of New York Downstate, Brooklyn. He has 2 awards.

Bridges to Excellence Recognition
Physician Office Systems Recognition (2012 - 2015)
Level I
NCQA Physician Practice Connections (2012 - 2015)


Dr. Siegel has 14 hospital affiliations:

  • Swedish Medical Center 
  • Exempla Lutheran Medical Ctr 


  • English

> > > > Dr. Gary Siegel, MD

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Additional Information
Dr. Gary Lewis Siegel MD is a male Allergist & Immunologist, has 43 years of experience and practices in Allergy & Immunology.
Where does Dr. Gary L. Siegel practice?
Dr. Gary Siegel has 7 office locations.
Dr. Gary Siegel practices Allergy & Immunology near Arvada, CO.
Additional practice locations include: Littleton, CO and Golden, CO.
See Arvada Allergists.