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Dr. Robert Onder, MD

Dr. Robert Onder, MD

Internal Medicine*
35+ years of experience

Dr. Robert Onder, MD is an internist in Saint Louis, MO and has over 35 years of experience in the medical field. Dr. Onder has extensive experience in Environmental Allergies. He graduated from Washington University in 1987. He is affiliated with medical facilities Mercy Hospital Perry and Mercy Hospital St. Louis. He is accepting new patients.

3.6 Star Rating
Based on 19 reviews 3.6 Star Rating (19 reviews)

Practice

711 Old Ballas Rd Ste 100 Saint Louis, MO 63141

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Dr. Onder's Reviews

Likelihood to recommend Dr. Onder

3.6

19 ratings, 10 with a written review
5 Star
63%
63%
4 Star
0%
0%
3 Star
5%
5%
2 Star
0%
0%
1 Star
32%
32%

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RecentHighestLowestMost Helpful
What went well
No results
What could be improved
No results
Helpful
Feb 27, 2025
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What went well
  • I felt respected
  • Appointment scheduling
  • Listened & answered questions
  • Explained conditions well
  • Staff friendliness
  • Appointment wasn't rushed
  • Trusted the provider's decisions
  • Wait times
What could be improved
No results
Helpful
Feb 07, 2024
×Post a ResponseAre you Dr. Robert Onder, MD?
What went well
  • I felt respected
  • Appointment scheduling
  • Listened & answered questions
  • Explained conditions well
  • Staff friendliness
  • Appointment wasn't rushed
  • Trusted the provider's decisions
  • Wait times
What could be improved
No results
Helpful
Brian – Jul 29, 2023
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What went well
No results
What could be improved
  • Difficult to schedule appointment
  • Didn't listen or answer questions
  • Didn't explain conditions well
  • Staff wasn't friendly
  • Appointment was rushed
  • Didn't trust the provider's decisions
  • Long wait times
3 people found this helpful
Helpful
Patient – Mar 22, 2023
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What went well
  • Appointment scheduling
  • Listened & answered questions
  • Explained conditions well
  • Staff friendliness
  • Appointment wasn't rushed
  • Trusted the provider's decisions
  • Wait times
What could be improved
No results
Helpful
Dave – Jan 16, 2023
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What went well
  • Appointment scheduling
  • Listened & answered questions
  • Explained conditions well
  • Staff friendliness
  • Appointment wasn't rushed
  • Trusted the provider's decisions
  • Wait times
What could be improved
No results
Helpful
June – Jul 19, 2022
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What went well
No results
What could be improved
  • Didn't listen or answer questions
  • Staff wasn't friendly
  • Long wait times
6 people found this helpful
Helpful
Feb 12, 2022
×Post a ResponseAre you Dr. Robert Onder, MD?
What went well
  • Appointment scheduling
  • Listened & answered questions
  • Explained conditions well
  • Staff friendliness
  • Appointment wasn't rushed
  • Trusted the provider's decisions
What could be improved
No results
Helpful
Dr. Onder is wONDERful – Oct 05, 2020
×Post a ResponseAre you Dr. Robert Onder, MD?
What went well
  • Appointment scheduling
  • Listened & answered questions
  • Explained conditions well
  • Staff friendliness
  • Appointment wasn't rushed
  • Trusted the provider's decisions
What could be improved
No results
Helpful
Nancy Young – Feb 20, 2020
×Post a ResponseAre you Dr. Robert Onder, MD?
What went well
  • Appointment scheduling
  • Listened & answered questions
  • Explained conditions well
  • Staff friendliness
  • Appointment wasn't rushed
  • Trusted the provider's decisions
  • Wait times
What could be improved
No results
1 person found this helpful
Helpful
Nancy Kane in Creve Coeur, MO – Jul 04, 2018
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About Me

biography

Dr. Robert Onder, MD is an internist in Saint Louis, MO and has over 35 years of experience in the medical field. Dr. Onder has extensive experience in Environmental Allergies. He graduated from Washington University in 1987. He is affiliated with...read more
  • Internal Medicine

  • Allergy & Immunology

*Healthgrades does not verify qualifications for medical specialties. Please verify your provider's specialty and qualifications directly with your provider and applicable medical board.

  • Washington University

    Medical School, 1987
American Board of Medical Specialties®
American Board of Allergy & Immunology®
Allergy & Immunology
For detailed information about any of the below board actions, please search for the provider's records on the linked state licensing board or the Federation of State Medical Boards. To learn more about the difference between these sources, please refer to our FAQs.
Healthgrades has not received any data indicating a board action exists for this provider.

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Locations

Practice

Allergy and Asthma Consultants PC711 Old Ballas Rd Ste 100 Saint Louis, MO 63141
1

Practice

Office3701 N Saint Peters Pkwy Ste C Saint Peters, MO 63376
2
Office9963 Winghaven Blvd O Fallon, MO 63368
3

Affiliated Hospitals

  • Mercy Hospital Perry

    434 N West St
    Perryville, MO 63775

    How patients felt about the care they received at this hospital.

    90%
    Patients said they were given information about recovering at home

    2% higher than the national average

    89%
    Patients said that doctors always listened to them and explained things well

    7% higher than the national average

    View all patient feedback
  • Mercy Hospital St. Louis

    615 S New Ballas Rd
    Saint Louis, MO 63141
    Recipient of 21
    hospital awards

    How patients felt about the care they received at this hospital.

    82%
    Patients said they were given information about recovering at home

    2% lower than the national average

    76%
    Patients said that nurses always listened to them and explained things well

    1% higher than the national average

    View all patient feedback
Learn more about how Healthgrades measures Hospital Quality