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

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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 takes the time to answer your questions and explain everything in a way anyone could understand it. He makes you feel at ease and you do not feel like anything is rushed. His staff is very friendly and very knowledgeable. They too, make you feel relaxed and at ease. –
Source : Healthgrades – Aug 12, 2018
Diego Marra, MD
5 Stars  THERE IS NONE BETTER—-only a few that may be in Dr Marrs’s League. –
Source : Healthgrades – Aug 10, 2018
Diego Marra, MD
5 Stars  Very nice and knowledgeable –
Source : Healthgrades – Aug 10, 2018

Services Offered By Dr. Marra