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:
Baylor University, BS Biology, 1989-1993
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
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:
Mohs Micrographic Surgery
Group Practice Affiliations:
Medical Director, South Texas Ambulatory Surgery Center
Baptist Health System Hospitals
Health Insurance Participation:
Dr. O’Quinn participates in Medicare and most major and regional PPOs and HMOs. Please see here for a complete list.
Continuing Medical Education Status:
Ryan P. O'Quinn, MD
Diplomate of the American Board of Dermatology
Courtney S. Aldridge, PA-C
AAPA & NCCPA Certification
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 young children.
National Commission of Certification of Physician Assistants Status:
Texas A&M University, BS Genetics, 1998
Physician Assistant Education:
School of Allied Health, University of Texas Health Science Center at San Antonio, 2002
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: