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

John Ghidoni, MD


Board-Certified Dermatologist
Mohs Surgeon
John Ghidoni MD

Dr. John Ghidoni joined Hill Country Dermatology in April 2016 relocating from Austin, Texas, where he had practiced for 28 years.

A native of San Antonio, Dr. Ghidoni attended John Marshall High School and Rice University before graduating from Texas Tech College of Medicine in 1983. He then did his residency in dermatology at the University of Tennessee where he served as chief resident his third year.

Dr. Ghidoni then completed a fellowship in Mohs Micrographic Surgery with Dr. Rex Amonette in Memphis, TN. This additional year of training is required to become a member of the American College of Mohs Surgery. Dr. Ghidoni has been a member (fellow) of the Mohs College since 1990.

When he is not practicing Dermatology, Dr. Ghidoni enjoys playing golf, fishing and spending time with his family.

Dr. Ghidoni practices at both the U.S. Dermatology Partners Kerville and U.S. Dermatology Partners Fredericksburg offices.

Specialties and Affiliations

American Board of Dermatology

Mohs Surgery

Clinic Locations

U.S. Dermatology Partners Fredericksburg
U.S. Dermatology Partners Fredericksburg

95 E. Highway Street
Fredericksburg, TX 78624

(830) 997-0898

U.S. Dermatology Partners Kerrville
U.S. Dermatology Partners Kerrville

711 Hill Country Dr.
Kerrville, TX 78028

(830) 896-4002

What Our Patients Say

John Ghidoni, MD
5 Stars  Dr. Ghidoni III is one of the best doctors of any kind. He is brilliant and thorough. He has an easy manner that makes him completely approachable. He discusses every issue and gives you the benefit of his vast expertise. His office staff members are also lovely and helpful and sweet. I recommend him 100%. –
Source : Healthgrades – Mar 31, 2018
John Ghidoni, MD
5 Stars  Excellent surgeon & staff! Very knowledgeable, caring and respectful people. –
Source : Healthgrades – Mar 30, 2018
John Ghidoni, MD
5 Stars  Very thorough, friendly and quick –
Source : ZocDoc – Jun 05, 2017

Services Offered By Dr. Ghidoni