
Steven Troy Gremillion, MD
CardiologyElectrophysiology
Highlights
Languages
- English
Gender
MaleAbout Steven Troy Gremillion
About The Provider
Video
Locations
- 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
- 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
- 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
- Louisiana Cardiology AssociatesD
- 7777 Hennessy Boulevard, Suite 1000, Baton Rouge, LA 70808
- Get Directions
- fax: 225-766-2226
- OUR LADY OF THE LAKE LIVINGSTON
- 5000 Odonavan Boulevard, Walker, LA 70785
- Get Directions
- phone: 225-271-4195
- fax: 225-271-6077
- Our Lady of the Lake Physician Group Louisiana Cardiology Associates
- 7777 Hennessy Boulevard, Suite 1000, Baton Rouge, LA 70808
- Get Directions
- phone: 225-767-3900
- fax: 225-766-2226
- Our Lady of the Lake Physician Group Louisiana Cardiology Associates CT Lab
- 7777 Hennessy Boulevard, Suite 115, Baton Rouge, LA 70808
- Get Directions
- phone: 225-767-3900
- fax: 225-767-3626
- Louisiana Cardiology Associates-Denham Springs
- 34870 La Highway 1019, Denham Springs, LA 70706
- Get Directions
- phone: 225-767-3900
- fax: 225-766-2226
- Louisiana Cardiology Associates-St Francisville
- 18289 Gould Drive, St Francisvle, LA 70775
- Get Directions
- phone: 225-767-3900
- fax: 225-766-2226
- Louisiana Cardiology Associates-Gonzales
- 2647 South St Elizabeth Boulevard, Suite 300, Gonzales, LA 70737
- Get Directions
- phone: 225-647-0347
- fax: 225-647-4565
- Louisiana Cardiology Associates-Brusly
- 402 North Vaughan Drive, Brusly, LA 70719
- Get Directions
- phone: 225-767-3900
- fax: 225-766-2226
- Louisiana Cardiology Associates-Baker
- 6516 East Myrtle Avenue, Baker, LA 70714
- Get Directions
- phone: 225-767-3900
- fax: 225-766-2226
- Louisiana Cardiology Associates-Smoking Cessation Slidell
- 1570 Lindberg Drive, Slidell, LA 70458
- Get Directions
- phone: 225-757-2474
- fax: 225-765-4358
- (CAQH registration only non-MC) Louisiana Cardiology Assoicates at Baton Rouge General
- 8595 Picardy Avenue, Suite 202, Baton Rouge, LA 70809
- Get Directions
- phone: 225-964-5514
- fax: 225-964-5532
- Louisiana Cardiology Associates-Smoking Cessation Covington
- 2202 False River Drive, New Roads, LA 70760
- Get Directions
- phone: 225-757-2474
- fax: 225-490-7223
- OLOL Physician Group Louisiana Cardiology Associates-Woman's Hospital
- 500 Rue De La Vie Street, Suite 430, Baton Rouge, LA 70817
- Get Directions
- phone: 225-767-3900
- fax: 225-766-0226
- 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
- phone: 225-964-5514
- fax: 225-964-5532
- OUR LADY OF THE LAKE HEART AND VASCULAR INSTITUTE-PULMONARY HYPERTENSION CLINIC
- 7777 Hennessy Boulevard, Suite 8001, Baton Rouge, LA 70808
- Get Directions
- phone: 225-757-2455
- fax: 225-765-4358
- Louisiana Cardiology Associates-Port Allen
- 610 North Jefferson Avenue, Port Allen, LA 70767
- Get Directions
- phone: 225-767-3900
- fax: 225-766-2226
- Louisiana Cardiology Associates-Plaquemine
- 59315 Riverwest, Suite C, Plaquemine, LA 70764
- Get Directions
- phone: 225-767-3900
- fax: 225-766-2226
- Louisiana Cardiology Associates-New Roads
- 160 Hospital Road, New Roads, LA 70760
- Get Directions
- phone: 225-767-3900
- fax: 225-766-2226
- 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
- phone: 225-757-2474
- fax: 225-765-4358
- Louisiana Cardiology Associates-Lake Livingston
- 5000 Odonavan Boulevard, Suite 307, Walker, LA 70785
- Get Directions
- phone: 225-271-4195
- fax: 225-271-8175
- Louisiana Cardiology Associates Smoking Cessation-Lake Livingston
- 5000 Odonavan Boulevard, Suite 307, Walker, LA 70785
- Get Directions
- fax: 225-765-4358
- Louisiana Cardiology Associates-Prairieville
- 17609 Old Jefferson Highway, Suite C, Prairieville, LA 70769
- Get Directions
- phone: 225-767-3900
- fax: 225-766-2226
- Our Lady of the Lake Physician Group Louisiana Cardiology Associates - Slidell
- 1810 Lindberg Drive, Suite 1810, Slidell, LA 70458
- Get Directions
- phone: 225-964-5514
- fax: 225-964-5532
- Louisiana Cardiology Associates-Smoking Cessation Covington
- 70411 Highway 21, Covington, LA 70433
- Get Directions
- phone: 225-757-2474
- fax: 225-765-4358
- Louisiana Cardiology Associates-Donaldsonville
- 214 Clinic Drive, Donaldsonville, LA 70346
- Get Directions
- phone: 225-767-3900
- fax: 225-766-2226
- Louisiana Cardiology Associates-Natchez
- 46 Sgt Prentiss Drive, Suite 200, Natchez, MS 39120
- Get Directions
- phone: 601-653-4927
- fax: 601-897-0542
- Louisiana Cardiology Associates CardioOncology
- 7777 Hennessy Boulevard, Suite 1000, Baton Rouge, LA 70808
- Get Directions
- phone: 225-767-0847
- fax: 225-215-1215
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
- 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 reviewsThe 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.
- 5 out of 5 starsReviewed on 3/27/2026
Dr Gremillion is so patient and attentive and provides excellent care.
- 5 out of 5 starsReviewed on 3/10/2026
Went well
- 5 out of 5 starsReviewed on 2/5/2026
Everything was very clear and professional !
- 5 out of 5 starsReviewed 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 starsReviewed 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 starsReviewed on 1/20/2026
Excellent
- 5 out of 5 starsReviewed on 1/12/2026
Very good
- 5 out of 5 starsReviewed on 1/10/2026
Wonderful and explained everything
- 5 out of 5 starsReviewed on 12/16/2025
Dr. Gremillion could not have done any better. Covered everything and was very courteous
- 5 out of 5 starsReviewed on 12/4/2025
I was recommended and very grateful
- 5 out of 5 starsReviewed on 12/3/2025
Dr. G's great as were his staff!
- 5 out of 5 starsReviewed on 11/17/2025
Dr. Gremillion is very caring and answers all questions asked.
- 5 out of 5 starsReviewed 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 starsReviewed on 11/11/2025
Very professional, concerned about my health,Ask questions, general exam
- 5 out of 5 starsReviewed on 10/2/2025
Excellent care
- 5 out of 5 starsReviewed on 9/16/2025
Superior doctor, Dr. Gremilion
- 5 out of 5 starsReviewed on 9/11/2025
Dr Gremillion always willing to listen and responds accordingly
- 5 out of 5 starsReviewed on 9/4/2025
Dr Gremillion is always very attentive and professional.
- 5 out of 5 starsReviewed on 8/25/2025
No issues. All good.
- 5 out of 5 starsReviewed on 8/17/2025
They all listened to my questions and took time answering. I was pleased.
- 5 out of 5 starsReviewed on 8/16/2025
Great doctor and service
- 5 out of 5 starsReviewed on 8/16/2025
All good
- 5 out of 5 starsReviewed on 8/7/2025
Dr Gremillion is awesome. He's kind, professional, compassionate compassiionate and knowledgeable.
- 5 out of 5 starsReviewed on 8/7/2025
Good ! Went over my visit and scheduled a follow up in six months !
- 5 out of 5 starsReviewed on 8/4/2025
Always helpful and explained needs.
- 5 out of 5 starsReviewed 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 starsReviewed on 7/24/2025
Dr. Gremillion is the best of the best!
- 5 out of 5 starsReviewed on 7/15/2025
He's the best Dr Gremillion !we love him
- 5 out of 5 starsReviewed on 6/27/2025
Was concerned about my problem and very knowledgeable.
- 5 out of 5 starsReviewed 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 starsReviewed on 6/5/2025
Dr. Gremillion answered all questions I had and added future precautions about my health.
- 5 out of 5 starsReviewed on 5/29/2025
Very friendly and easy to speak to. Listened to my concerns.
- 5 out of 5 starsReviewed on 5/29/2025
Very attentive and very thorough.
- 5 out of 5 starsReviewed on 5/28/2025
Great visit
- 5 out of 5 starsReviewed on 5/27/2025
All questions was answered with professional advice!
- 5 out of 5 starsReviewed on 5/1/2025
Highly recommended facility, professional staff and service
- 5 out of 5 starsReviewed on 4/29/2025
Would highly recommend
- 5 out of 5 starsReviewed on 4/29/2025
Dr. Gremillion is excellent
- 5 out of 5 starsReviewed on 4/25/2025
Great doctor