Primary Care Physician

WellMed at Pecan Valley

4243 E. Southcross, Suite 205
San Antonio, TX 78222
Phone (210) 304-3500
Fax (210) 337-2909

Pecan Valley

Richard Castillo, D.O. Board Certified Family Practice

Pecan Valley
  • Osteopathic Medical Degree-Texas College of Osteopathic Medicine, Fort Worth, Texas
  • Honors graduate-The University of Texas at San Antonio
  • Residency, Family Practice-Scott-White Hospital, Temple, Texas
  • Member of the clinical faculty at UTHSC preceptorship program
  • Dr. Castillo is married and has two sons and one daughter

Sandra Guerrero, M.D. Board Certified Family Practice

Pecan Valley
  • Medical Degree-The University of Texas Medical School, Houston, Texas
  • Bachelor of Science degree, Biomedical Science-Texas A&M University, College Station, Texas
  • Residency, Family Practice-Corpus Christi Family Practice Residency Program, Corpus Christi, Texas
  • Dr. Guerrero enjoys bicycling, traveling and snorkeling

Richard Villafana, M.D. Board Certified Family Practice

Pecan Valley
  • Medical Degree-University of Texas Health Science Center at San Antonio
  • Undergraduate degrees-St. Mary’s University and Notre Dame
  • Residency, Family Practice-University of Texas Houston SW General Hospital Family Practice program

Elenora Duke, M.D. Board Certified Internal Medicine

Pecan Valley
  • Medical Degree, Internship and Residency – The University of Texas Health Science Center at San Antonio
  • Bachelor’s degree, Biology (Magna Cum Laude) – St. Mary’s University, San Antonio
  • Bilingual in English and Spanish
  • Dr. Duke has three children

Christopher Pomelow, P.A.-C. Board Certified Physician Assistant

General McMullen
  • Certification-Physician Assistant National Certifying Examination
  • Master of Science degree, Physician Assistant Studies-Texas Tech University Health Science Center Physician Assistant Program, Midland, Texas
  • Bachelor of Science degree, Biology-Angelo State University, San Angelo, Texas
  • Member of the Texas Academy of Physician Assistants and Association of Family Practice Physician Assistants
  • P.A. Pomelow is married

Aydin Ozan, M.D. Board Certified Internal Medicine

Boerne
  • Medical Degree-The University of Texas Health Science Center at San Antonio
  • Bachelor of Science degree (Magna Cum Laude)-St. Mary's University, San Antonio
  • Internal Medicine training-Medical College of Ohio, Toledo, Ohio
  • Became a member of the faculty at The Medical College of Ohio, then worked in private practice in Northwest Ohio
  • Dr. Ozan is married and has one child

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