TDDC – San Marcos Research

San Marcos Research

1305 Wonder World Dr
Ste 200
San Marcos, TX 78666
Phone: 512-754-8676
Fax:

Monday – Friday
8:00AM – 5:00PM

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If you are experiencing a medical emergency, please call 9-1-1.

To schedule an appointment, please call 512-754-8676 or click the “Message Us” button located at the bottom right corner of your screen and a member of our team will contact you within 48 hours.

TDDC – San Marcos Research
1305 Wonder World Dr, Ste 200, San Marcos, TX 78666

Our Providers

John Cluley, M.D.

Gastroenterologist
in San Marcos, 
TX
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Cluley

Edward F. Coles, M.D.

Gastroenterologist
in San Marcos, 
TX
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Coles

William Kern Deschner, M.D.

Gastroenterologist
in San Marcos, 
TX
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Deschner

Juan Diocares, M.D.

Gastroenterologist
in San Marcos, 
TX
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Diocares

Thomas Kepczyk, M.D.

Gastroenterologist
in San Marcos, 
TX
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Kepczyk

Shannon J. Marek, M.D.

Gastroenterologist
in San Marcos, 
TX
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Marek

Carlos A. Neghme, M.D.

Gastroenterologist
in San Marcos, 
TX
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Neghme

Steven Pearce, M.D.

Gastroenterologist
in San Marcos, 
TX
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Pearce

Lori Najar, P.A.

Physician Assistant
in San Marcos, 
TX
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Lori