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Dr. Mason Bias, MD

Dr. Mason Bias, MD

Ophthalmology*
30+ years of experience

Dr. Mason Bias, MD is an ophthalmologist in Washington, MO and has over 30 years of experience in the medical field. He graduated from Vanderbilt University School of Medicine in 1993. He is affiliated with Missouri Baptist Medical Center. He is accepting new patients.

3.9 Star Rating
Based on 24 reviews 3.9 Star Rating (24 reviews)

Practice

320 Washington Ave Washington, MO 63090
(314) 983-9800

At a Glance

  • Area of Expertise
    Dr. Bias specializes in the area of Ophthalmology. • See board certifications
  • Explains Conditions Well
    Patients said this doctor explains conditions well. • See reviews
  • Practices at Top Hospital
    Patient Safety Excellence Award™ • See hospitals
  • Hospital Satisfaction
    Patients said they were highly satisfied at this doctor's hospital. • See hospitals
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Dr. Bias' Reviews

Likelihood to recommend Dr. Bias

3.9

24 ratings, 16 with a written review
5 Star
71%
71%
4 Star
0%
0%
3 Star
4%
4%
2 Star
0%
0%
1 Star
25%
25%

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RecentHighestLowestMost Helpful
What went well
No results
What could be improved
  • I didn't feel respected
  • Didn't listen or answer questions
  • Didn't explain conditions well
  • Didn't trust the provider's decisions
  • Long wait times
Helpful
Mar 03, 2025
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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
KathyMeckfessel – Apr 16, 2024
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What went well
No results
What could be improved
  • Didn't listen or answer questions
  • Didn't explain conditions well
  • Staff wasn't friendly
  • Didn't trust the provider's decisions
7 people found this helpful
Helpful
Dr Bias victim – Jul 30, 2021
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What went well
No results
What could be improved
No results
Helpful
Nov 10, 2020
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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
What could be improved
No results
Helpful
Jul 15, 2020
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What went well
No results
What could be improved
  • Didn't listen or answer questions
  • Appointment was rushed
  • Didn't trust the provider's decisions
9 people found this helpful
Helpful
St. Albans, MO – Feb 13, 2018
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What went well
  • 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
Maureen in St Louis, MO – Nov 02, 2017
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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
1 person found this helpful
Helpful
John Dodge in Manchester, MO – Jul 30, 2017
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What went well
No results
What could be improved
  • 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
9 people found this helpful
Helpful
Lawrence in Ballwin, MO – Apr 24, 2017
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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
What could be improved
  • Long wait times
Helpful
Dale W. in Wildwood, MO – Sep 07, 2016
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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
Susan in St Louis, MO – Jul 04, 2016
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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
1 person found this helpful
Helpful
Gregory in St Louis, MO – Jun 09, 2016
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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
Colbert, GA – May 23, 2016
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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
Marilyn L. in St Louis, MO – May 03, 2016
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What went well
  • 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
St Louis, MO – Apr 20, 2016
×Post a ResponseAre you Dr. Mason Bias, 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
Ballwin, MO – Feb 01, 2016
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Eye Health Spotlight

About Me

biography

Dr. Mason Bias, MD is an ophthalmologist in Washington, MO and has over 30 years of experience in the medical field. He graduated from Vanderbilt University School of Medicine in 1993. He is affiliated with Missouri Baptist Medical Center. He is accepting new patients.

  • Ophthalmology

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

  • Usaf Wilford Hall Medical Center

    Residency Hospital, 1998

  • Baptist Memorial Hospital

    Internship Hospital, 1994

  • Vanderbilt University School Of Medicine

    Medical School, 1993

  • The College Of William And Mary

    Undergraduate School, 1989
American Board of Medical Specialties®
American Board of Ophthalmology®
- 
Ophthalmology
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.

Healthgrades receives board action history for physicians and physician assistants. The information displayed here is sourced from independent information providers, such as state board websites, and may not be the most up-to-date information. Healthgrades makes no representations with respect to the accuracy of any information provided here and assumes no responsibility or liability for such information.

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Focus on Diabetic Macular Edema

Locations

Practice

Sumner Primary EyeCare PC320 Washington Ave Washington, MO 63090
1

Practice

Office12855 N 40 Dr Ste 260 Saint Louis, MO 63141
2

Affiliated Hospitals

  • Missouri Baptist Medical Center

    3015 N Ballas Rd
    Saint Louis, MO 63131
    Recipient of 19
    hospital awards

    Patient Safety Excellence Award™ (2025, 2024, 2023)

    Top in the nation for providing excellence in patient safety by preventing infections, medical errors, and other preventable complications

    Outstanding Patient Experience Award™ (2024, 2023, 2022)

    Top in the nation for providing excellence in patient safety by preventing infections, medical errors, and other preventable complications

    View all awards

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

    89%
    Patients said they were given information about recovering at home

    5% higher than the national average

    80%
    Patients said that doctors always listened to them and explained things well

    4% higher than the national average

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