Our San Antonio - Stone Oak location has closed. Dr. Petr will now see all patients at U.S. Dermatology Partners San Antonio.

Diego Marra, MD, FAAD

Board-Certified Dermatologist
Fellowship-Trained Mohs Surgeon
Fellow of the American Academy of Dermatology


One of U.S. Dermatology’s Mohs Surgery specialists, Dr. Diego Marra graduated summa cum laude with a Bachelor of Arts degree with special honors in Zoology from the University of Texas. He received his medical training at the Harvard Medical School and the Harvard-MIT Program in Health Sciences and Technology, graduating magna cum laude with special honors in Vascular Biology.

Following medical school, Dr. Marra obtained special training in Mohs micrographic, cutaneous laser, and cosmetic surgery. He was awarded a fellowship at the Ronald L. Moy Surgery Center in Los Angeles and is accredited by the American College of Mohs Micrographic Surgery, the American Academy of Cosmetic Surgery, and the Accreditation Council for Graduate Medical Education. He completed his residency in dermatology at Massachusetts General Hospital and Harvard Medical School in Boston, Massachusetts.

A diplomate of the American Board of Dermatology, Dr. Marra is the author of peer-reviewed original research published in some of the leading journals in the fields of dermatology and dermatologic surgery, including Archives of Dermatology, Journal of the American Academy of Dermatology, American Journal of Cosmetic Surgery, and Dermatologic Surgery. His work has been presented at major specialty meetings across the country and internationally.

Specialties and Affiliations

American Board of Dermatology

Honors and Awards

  • Top Doctor in Tarrant County, Fort Worth Texas Magazine, 2009-2015

Clinic Locations

U.S. Dermatology Partners Weatherford on Santa Fe
U.S. Dermatology Partners Weatherford on Santa Fe

1105 Santa Fe Drive
Suite 105
Weatherford, TX 76086

(817) 594-5880

U.S. Dermatology Partners South Hulen
U.S. Dermatology Partners South Hulen

2801 S. Hulen Street,
Suite 400
Fort Worth, TX 76109

(817) 921-2838

What Our Patients Say

Diego Marra, MD
5 Stars  Dr Marra is great. My husband has had skin cancer removed several times and seldom leaves a scar. He is great explaining the procedure before he begins. His bedside personality is also very good. –
Source : Healthgrades – Jul 04, 2018
Diego Marra, MD
5 Stars  Dr Marra is very experienced at spotting and proper treatment for skin cancers. He is Mohs surgery certified and and excellent at limiting disfiguring scarring. Recommend him for all your dermatology needs very highly –
Source : Healthgrades – May 25, 2018
Diego Marra, MD
5 Stars  I was able to get an appointment on short notice. Dr. Marra took the time to explain each procedure, and his staff is amazing. Would definitely recommend to family and friends. –
Source : Healthgrades – May 18, 2018

Services Offered By Dr. Marra