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Kirsten L. Smith, MD

Dr. Kirsten L. Smith was born and raised in San Antonio. She is Board Certified in General Surgery and specializes in Wound Care. Dr. Smith graduated Cum Laude with a Bachelor of Science in Biology, Natural Sciences and Mathematics from Washington and Lee University in 1998. She graduated from medical school at the University of Texas Health & Science Center San Antonio in 2002. She then completed a residency in General Surgery at Oregon Health & Science University in Portland, Oregon. In 2007, Dr. Smith entered private practice in San Antonio, Texas where she provided outpatient and inpatient wound care as well as hyperbaric medicine at the Methodist Wound Care Center. In 2020, she joined forces with Burn and Reconstructive Centers of America to help develop a combined burn and wound program for San Antonio. She has collaborated on multiple research projects with the ECMO team and rehab teams at Methodist hospital.

In 2023 she partnered with Dr. Ryan O’Quinn and PA Courtney Aldridge to create South Texas Skin & Wound the premier private wound care center in South Texas. Together they provide the most compassionate and excellent care for patients with wounds and provide the best outcomes for our referring provider’s patients.

She enjoys lecturing on various topics in advanced wound care, diabetic foot wounds, nutrition in wound healing, and peripheral vascular disease. When she is not working, she is involved in multiple charities including the Leukemia and Lymphoma Society, Kinetic Kids, Health Alliance for Austin Musicians, and San Antonio Zoo.

American Board of Surgery:

Diplomate 2008

Undergraduate Education:

Washington and Lee University, BS Biology Natural Sciences and Mathematics 1994-1998

Medical School:

University of Texas Health & Science Center San Antonio, 1998 - 2002

Postgraduate Medical Training:

Internship and Residency, Department of General Surgery, Oregon Health and Sciences University, 2002-2007

Hospital Affiliations:

Methodist Hospital System

Health Insurance Participation:

Please inquire if needed.

Continuing Medical Education Status:



Ryan P. O'Quinn, MD

Ryan P. O’Quinn, MD, a third-generation native of San Antonio, completed his BS in Biology at Baylor University. He received his Doctor of Medicine degree from the University of Texas Medical Branch in Galveston where he graduated as one of the top students in his class and was elected to the Alpha Omega Alpha Medical Honor Society. While in medical school, Dr. O’Quinn decided to leave his home state of Texas to train in the very best programs available for his post-graduate medical education. Dr. O’Quinn completed a medical internship at the Yale School of Medicine/Yale-New Haven Hospital in Connecticut prior to beginning residency in the Division of Dermatology at Vanderbilt University Medical Center in Nashville, Tennessee. At Vanderbilt, he served as Chief Resident in his final year of training. Dr. O’Quinn then went to Pittsburgh, Pennsylvania to complete his training in the most competitive Mohs Micrographic Surgery/Dermatologic Surgery fellowship under the direction of two true surgical pioneers, Dr. David G. Brodland and Dr. John A. Zitelli (one of Dr. Frederic Mohs’ original students).

Dr. O’Quinn returned to San Antonio in 2002 and established the South Texas Skin Cancer Center with the goal of providing the very best treatment possible for patients with cutaneous malignancy. In addition, he is Medical Director of the South Texas Ambulatory Surgery Center.

Dr. O'Quinn is married with 2 children.

American Academy of Dermatology Membership Status:

American Board of Dermatology:
Diplomate 2001

Undergraduate Education:
Baylor University, BS Biology, 1989-1993

Medical School:
University of Texas Medical Branch, 1993-1997

Post-Graduate Medical Training:

  • Internship, Department of Internal Medicine, Yale University School of Medicine/Yale-New Haven Hospital, 1997-1998

  • Residency, Division of Dermatology, Vanderbilt University Medical Center, 1998-2001

Fellowship Training:

Mohs Micrographic Surgery and Cutaneous Oncology (ACMMSCO Certified), University of Pittsburgh/Shadyside Hospital (Program Director: John A. Zitelli, MD), 2001-2002

Specialized Training/Clinical Interests:

Dermatologic Surgery Mohs Micrographic Surgery Cutaneous Oncology Transplant Dermatology

Group Practice Affiliations:

Medical Director, South Texas Ambulatory Surgery Center

Hospital Affiliations:

Baptist Health System Hospitals

Health Insurance Participation:

Dr. O’Quinn participates in Medicare and most major and regional PPOs and HMOs. Please inquire for a complete list.

Continuing Medical Education Status:



Courtney S. Aldridge, PA-C

Courtney Sprague Aldridge, PA-C, grew up in North Carolina and San Antonio. She graduated from Texas A&M University with a BS in Genetics in 1998. After teaching high school for two years, Courtney decided to return to school to become a Physician Assistant. She completed a three-year program in the School of Allied Health at the University of Texas Health Science Center at San Antonio where she graduated Summa Cum Laude in the very competitive Physician Assistant program. She passed her National Examination as a certified PA in 2002. Following graduation, Courtney worked for five years in a busy medical and cosmetic dermatology practice under the direction of Dr. Vivian Bucay. She joined Dr. O’Quinn at the South Texas Skin Cancer Center in 2007.

Courtney Aldridge has a hand in all parts of the practice working as a team with Dr. O’Quinn, including pre-operative consultations, post-operative care, timely patient communication, and assisting Dr. O’Quinn in surgical procedures. Courtney is a gifted Physician Assistant with extensive knowledge of dermatology.

Courtney continues to hold an appointment as Adjunct Clinical Faculty of the School of Allied Health at the University of Texas Health Science Center at San Antonio, and trains PA students as a Clinical Preceptor. She has spoken at many Physician Assistant conferences on different topics in dermatology at the State and National Level. She is a member of the American Association of Physician Assistants, Texas Association of Physician Assistants, and Bexar County Physician Assistant Society.

Courtney is married and blessed with three children.

National Commission of Certification of Physician Assistants Status:
Certified, 2002

Undergraduate Education:
Texas A&M University, BS Genetics, 1998

Physician Assistant Education:
School of Allied Health, University of Texas Health Science Center at San Antonio, 2002

Academic Appointments:
Clinical Adjunct Faculty, School of Allied Health, University of Texas Health Science Center at San Antonio


  • American Association of Physician Assistants

  • Texas Association of Physician Assistants

  • Bexar County Physician Assistant Society

  • San Antonio Dermatological Society



Continuing Medical Education Status:



Madison Rogers | Practice Administrator

Felisa Souvanna | Billing Administrator

Annette Olvera | Referral Coordinator

Patty Garza | Billing

Naomi Garcia | Billing


Nicole Ashworth | LVN

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