Browse Health
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

Patient comments (3)

The overall average patient rating of Dr. Robert Onder is Excellent. Dr. Onder has been reviewed by 14 patients who have provided 3 comments. The rating is 4.5 out of 5 stars.

Patient Ratings
Ease of Appointment 4.3
Promptness 3.7
Courteous Staff 4.3
Accurate Diagnosis 4.5
Bedside Manner 4.3
Spends Time with Me 4.3
Follows Up After Visit 4.2

Specialties & Research

Dr. Robert Onder, MD is board certified in Allergy & Immunology and Internal Medicine.

  • He has special expertise in 3 areas:
  • Asthma
  • Hay Fever (Seasonal Allergic Rhinitis)
  • Nasal Allergy (Rhinitis)

Education & Awards

Dr. Onder graduated from Washington University at St. Louis, Saint Louis. He has 4 awards.

Patients' Choice 5th Anniversary Award (2012 - 2014)
Patients' Choice Award (2008 - 2014)
Compassionate Doctor Award - 5 Year Honoree (2014)
Compassionate Doctor Recognition (2010 - 2014)


Dr. Onder has 18 hospital affiliations:

  • Barnes-Jewish West County Hospital 
  • St Joseph Hospital West 


  • French
  • English

> > > > Dr. Robert Onder, MD

Similar doctors nearby

Dr. Mohammad Rahman

Allergy & Immunology
Saint Peters, MO

Dr. Rand Dankner

Allergy & Immunology
33 years experience
Saint Peters, MO

Dr. Siriwatratanano Payow

Allergy & Immunology
42 years experience
Saint Charles, MO

Dr. Siriwat Payow

Allergy & Immunology
42 years experience
Saint Charles, MO

Dr. Kim Waterhouse

Allergy & Immunology
Saint Charles, MO

Dr. Khaled Abdel-Hamid

Allergy & Immunology
29 years experience
Saint Charles, MO
Search All Similar Doctors
Additional Information
Dr. Robert F Onder MD is a male Allergist & Immunologist, has 24 years of experience and practices in Allergy & Immunology and Internal Medicine.
Where does Dr. Robert F. Onder practice?
Dr. Robert Onder has 5 office locations.
Dr. Robert Onder practices Allergy & Immunology and Internal Medicine near Saint Peters, MO.
Additional practice locations include: Saint Louis, MO.
See Saint Peters Allergists and Saint Peters Internists.