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Steven Troy Gremillion

Steven Troy Gremillion, MD

CardiologyElectrophysiology

Telemedicine Visits Available
Accepting New Patients
Need help scheduling? Call 225-767-3900

Highlights

Languages

  • English

Gender

Male

About Steven Troy Gremillion

About The Provider

Dr. Gremillion has worked as an instructor of cardiology at Vanderbilt University. He is Board Certified in internal medicine, cardiology and electrophysiology. Dr. Gremillion visits patients at the Baton Rouge, Gonzales and Port Allen clinics.

Video

Locations

  1. OUR LADY OF THE LAKE REGIONAL MEDICAL CENTER - LCA XRAY
    • 7777 Hennessy Boulevard, Suite 1000, Baton Rouge, LA 70808
    • Get Directions
    • fax: 225-766-2226
  2. OUR LADY OF THE LAKE REGIONAL MEDICAL CENTER - NUCLEAR CARDIO
    • 7777 Hennessy Boulevard, Suite 1000, Baton Rouge, LA 70808
    • Get Directions
    • fax: 225-766-2226
  3. OUR LADY OF THE LAKE REGIONAL MEDICAL CENTER - TILT TABLE
    • 7777 Hennessy Boulevard, Suite 1000, Baton Rouge, LA 70808
    • Get Directions
    • fax: 225-766-2226
  4. Louisiana Cardiology AssociatesD
    • 7777 Hennessy Boulevard, Suite 1000, Baton Rouge, LA 70808
    • Get Directions
    • fax: 225-766-2226
  5. OUR LADY OF THE LAKE LIVINGSTON
  6. Our Lady of the Lake Physician Group Louisiana Cardiology Associates
    • 7777 Hennessy Boulevard, Suite 1000, Baton Rouge, LA 70808
    • Get Directions
  7. Our Lady of the Lake Physician Group Louisiana Cardiology Associates CT Lab
    • 7777 Hennessy Boulevard, Suite 115, Baton Rouge, LA 70808
    • Get Directions
  8. Louisiana Cardiology Associates-Denham Springs
  9. Louisiana Cardiology Associates-St Francisville
  10. Louisiana Cardiology Associates-Gonzales
    • 2647 South St Elizabeth Boulevard, Suite 300, Gonzales, LA 70737
    • Get Directions
  11. Louisiana Cardiology Associates-Brusly
  12. Louisiana Cardiology Associates-Baker
  13. Louisiana Cardiology Associates-Smoking Cessation Slidell
  14. (CAQH registration only non-MC) Louisiana Cardiology Assoicates at Baton Rouge General
  15. Louisiana Cardiology Associates-Smoking Cessation Covington
  16. OLOL Physician Group Louisiana Cardiology Associates-Woman's Hospital
    • 500 Rue De La Vie Street, Suite 430, Baton Rouge, LA 70817
    • Get Directions
  17. Southern University Athletes
    • 1 Swan Street 1st Floor Spotrs Medicine, Baton Rouge, LA 70813
    • Get Directions
    • Louisiana Cardiology Associates - Baton Rouge General
      • 8595 Picardy Avenue, Medical Tower 1, Suite 202, Baton Rouge, LA 70809
      • Get Directions
    • OUR LADY OF THE LAKE HEART AND VASCULAR INSTITUTE-PULMONARY HYPERTENSION CLINIC
      • 7777 Hennessy Boulevard, Suite 8001, Baton Rouge, LA 70808
      • Get Directions
    • Louisiana Cardiology Associates-Port Allen
    • Louisiana Cardiology Associates-Plaquemine
    • Louisiana Cardiology Associates-New Roads
    • Louisiana Cardiology Associates-Smoking Cessation Gonzales
      • 2647 South St Elizabeth Boulevard, Suite 220, Gonzales, LA 70737
      • Get Directions
      • fax: 225-765-4358
    • OUR LADY OF THE LAKE HEART AND VASCULAR INSTITUTE-ADVANCED CARDIAC PROGRAM
      • 7777 Hennessy Boulevard, Suite 8001, Baton Rouge, LA 70808
      • Get Directions
      • Louisiana Cardiology Associates-Smoking Cessation
        • 7777 Hennessy Boulevard, Suite 8001, Baton Rouge, LA 70808
        • Get Directions
      • Louisiana Cardiology Associates-Lake Livingston
      • Louisiana Cardiology Associates Smoking Cessation-Lake Livingston
        • fax: 225-765-4358
      • Louisiana Cardiology Associates-Prairieville
        • 17609 Old Jefferson Highway, Suite C, Prairieville, LA 70769
        • Get Directions
      • Our Lady of the Lake Physician Group Louisiana Cardiology Associates - Slidell
      • Louisiana Cardiology Associates-Smoking Cessation Covington
      • Louisiana Cardiology Associates-Donaldsonville
      • Louisiana Cardiology Associates-Natchez
      • Louisiana Cardiology Associates CardioOncology
        • 7777 Hennessy Boulevard, Suite 1000, Baton Rouge, LA 70808
        • Get Directions

      Expertise

      Education

      • Fellowship: Vanderbilt University Medical Center, Electrophysiology, 1993
      • Fellowship: Vanderbilt University Medical Center, Cardiovascular Disease, 1992
      • Residency: Vanderbilt University Medical Center, Internal Medicine, 1989
      • Medical/Professional Education: Louisiana State University School of Medicine in New Orleans, Cardiovascular Disease, 1986

      Board Certifications

      • Cardiovascular Disease: American Board of Internal Medicine, 2021
      • Internal Medicine: American Board of Internal Medicine, 1989

      Insurance

      Please contact the practice to find out if your health plan is accepted.
      Search plans
      • Aetna Better Health
      • Aetna/Coventry (All Products)
      • AmeriHealth Caritas
      • BCBS (All Products)
      • BCBS Medicare Advantage LA
      • Cigna
      • Coventry
      • Coventry National/First Health CCN
      • Gilsbar 360
      • Health Leaders Network
      • Healthy Blue
      • Humana (All Products)
      • Humana Military/Tricare
      • Integrated Health Plan
      • LA HealthCare Connections
      • Louisiana Medicaid
      • LWCC
      • Medicare
      • Mississippi Medicaid
      • Multiplan/PHCS
      • New Directions
      • People's Health
      • PGBA
      • Railroad Medicare
      • Three Rivers
      • TriWest
      • UHC Community
      • UHC Medicare Advantage
      • United Healthcare (All Products)
      • USA MCO
      • Vantage
      • Wellcare
      • Woman's Hospital
      • Zelis

      Ratings & Reviews

      4.9 out of 5

      443 ratings, 40 reviews

      The Patient Satisfaction Rating is an average of all responses to the care provider related questions shown below from our survey. Patients that are treated in outpatient or hospital environments may receive different surveys, and the volume of responses will vary by question.

      Provider explained things clearly
      Provider showed concern
      Provider included you in decisions
      Likelihood of recommending this provider
      Provider discussed treatment options
      Search reviews
        5 out of 5 stars
        Reviewed on 3/27/2026

        Dr Gremillion is so patient and attentive and provides excellent care.

        5 out of 5 stars
        Reviewed on 3/10/2026

        Went well

        5 out of 5 stars
        Reviewed on 2/5/2026

        Everything was very clear and professional !

        5 out of 5 stars
        Reviewed on 1/22/2026

        I will always refer Dr. Gremillion to others (as I have in the past). He I through in his exam and his explanation. He has a personality that puts his patience at ease. EXCELLENT visit with him.

        4 out of 5 stars
        Reviewed on 1/21/2026

        Until this appt I was always pleased with the doctors time speaking with me about the issue, yesterday was so different. He said as little as possible and stated things were the same as before.

        5 out of 5 stars
        Reviewed on 1/20/2026

        Excellent

        5 out of 5 stars
        Reviewed on 1/12/2026

        Very good

        5 out of 5 stars
        Reviewed on 1/10/2026

        Wonderful and explained everything

        5 out of 5 stars
        Reviewed on 12/16/2025

        Dr. Gremillion could not have done any better. Covered everything and was very courteous

        5 out of 5 stars
        Reviewed on 12/4/2025

        I was recommended and very grateful

        5 out of 5 stars
        Reviewed on 12/3/2025

        Dr. G's great as were his staff!

        5 out of 5 stars
        Reviewed on 11/17/2025

        Dr. Gremillion is very caring and answers all questions asked.

        5 out of 5 stars
        Reviewed on 11/14/2025

        Dr. Gremillion's care for my father (while he lived), me, and now more recently my wife has been exemplary and he has our highest recommendation.

      • No RatingReviewed on 11/11/2025

        Care provider was very attentive. Yearly checkup

        5 out of 5 stars
        Reviewed on 11/11/2025

        Very professional, concerned about my health,Ask questions, general exam

        5 out of 5 stars
        Reviewed on 10/2/2025

        Excellent care

        5 out of 5 stars
        Reviewed on 9/16/2025

        Superior doctor, Dr. Gremilion

        5 out of 5 stars
        Reviewed on 9/11/2025

        Dr Gremillion always willing to listen and responds accordingly

        5 out of 5 stars
        Reviewed on 9/4/2025

        Dr Gremillion is always very attentive and professional.

        5 out of 5 stars
        Reviewed on 8/25/2025

        No issues. All good.

        5 out of 5 stars
        Reviewed on 8/17/2025

        They all listened to my questions and took time answering. I was pleased.

        5 out of 5 stars
        Reviewed on 8/16/2025

        Great doctor and service

        5 out of 5 stars
        Reviewed on 8/16/2025

        All good

        5 out of 5 stars
        Reviewed on 8/7/2025

        Dr Gremillion is awesome. He's kind, professional, compassionate compassiionate and knowledgeable.

        5 out of 5 stars
        Reviewed on 8/7/2025

        Good ! Went over my visit and scheduled a follow up in six months !

        5 out of 5 stars
        Reviewed on 8/4/2025

        Always helpful and explained needs.

        5 out of 5 stars
        Reviewed on 7/24/2025

        Love Dr. Gremmiillon"s clinic. Everyone is special and care for the patients. Won't go anywhere else. Wish all clinics were like his.

        5 out of 5 stars
        Reviewed on 7/24/2025

        Dr. Gremillion is the best of the best!

        5 out of 5 stars
        Reviewed on 7/15/2025

        He's the best Dr Gremillion !we love him

        5 out of 5 stars
        Reviewed on 6/27/2025

        Was concerned about my problem and very knowledgeable.

        5 out of 5 stars
        Reviewed on 6/26/2025

        My experience with my provider, Dr. Gremillion, is always very pleasurable and very informative. I'm never left with lingering questions or doubts about my health. All of my questions or concerns are answered promptly.

        5 out of 5 stars
        Reviewed on 6/5/2025

        Dr. Gremillion answered all questions I had and added future precautions about my health.

        5 out of 5 stars
        Reviewed on 5/29/2025

        Very friendly and easy to speak to. Listened to my concerns.

        5 out of 5 stars
        Reviewed on 5/29/2025

        Very attentive and very thorough.

        5 out of 5 stars
        Reviewed on 5/28/2025

        Great visit

        5 out of 5 stars
        Reviewed on 5/27/2025

        All questions was answered with professional advice!

        5 out of 5 stars
        Reviewed on 5/1/2025

        Highly recommended facility, professional staff and service

        5 out of 5 stars
        Reviewed on 4/29/2025

        Would highly recommend

        5 out of 5 stars
        Reviewed on 4/29/2025

        Dr. Gremillion is excellent

        5 out of 5 stars
        Reviewed on 4/25/2025

        Great doctor