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      • Providing great health care is our goal.
        • About WellMed
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        • Specialists for Health
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        • Services and specialties
        • Extended hours clinics

        • Become a WellMed patient

          Our goal is simple, to provide the best care so you can live your best life.

          Request an appointment
    • Patient resources
      • Take a look at what makes WellMed great.
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        • Wellmed Charitable Foundation
        • Insurance plans accepted
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          Request an appointment
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          Age healthy now blog
        • Docs in a Pod
        • In the news
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          • Substance abuse and addiction in older adults: a growing health concern

            Aug. 12, 2026

          • Managing chronic inflammation for better long-term health

            Aug. 12, 2026

          • Can diabetes cause your back to hurt?

            Aug. 10, 2026

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South Texas Cardiothoracic & Vascular Surgical Associates Store Front

South Texas Cardiothoracic & Vascular Surgical Associates

4330 Medical Dr
Ste 325
San Antonio, TX  78229
Driving Directions

View our clinicians
Call 1-210-615-7700 to schedule

Languages spoken

English
Print Email
Call 1-210-615-7700 to schedule

Languages spoken

English
Print Email
Print Email

South Texas Cardiothoracic & Vascular Surgical Associates
Call location1-210-615-7700
Get directions 4330 Medical Dr Ste 325
San Antonio,  TX 78229
Fax number1-210-615-1782
Call location1-210-615-7700
Get directions 4330 Medical Dr Ste 325
San Antonio,  TX 78229
Fax number1-210-615-1782

Office Hours

Sunday Closed
Monday 8:30 a.m. to 5:00 p.m.
Tuesday 8:30 a.m. to 5:00 p.m.
Wednesday 8:30 a.m. to 5:00 p.m.
Thursday 8:30 a.m. to 5:00 p.m.
Friday 8:30 a.m. to 5:00 p.m.
Saturday Closed

Our clinicians

James A Knight, MD practices Thoracic Surgery in San Antonio
James A Knight, MD
Thoracic surgery
Call 1-210-615-7700 View profile
Ronald Brent New, MD practices Thoracic and Cardiac Surgery in San Antonio
Ronald Brent New, MD
Thoracic and cardiac surgery
Call 1-210-615-7700 View profile
Christina Michelle Lamkin, PA practices Physician Assistant in San Antonio
Christina Michelle Lamkin, PA
Physician assistant
Call 1-210-615-7700 View profile

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