Our Doctors

Janice M. Warner, MD, FAAD, FACMS

Dr. Janice Warner graduated from The University of Medicine and Dentistry of New Jersey, Rutgers Medical School in 1983, where she was elected as a member of the Alpha Omega Alpha Medical Honor Society. She then completed an Internal Medicine Internship at Harvard Medical School, Beth Israel Deaconess Hospital (1983) followed by both Internal Medicine (1984-1986) and Dermatology (1988-1991) Residencies at Emory University where she also received a Fellowship in Mohs Micrographic Surgery in 1992.

Dr. Warner is board certified in both Internal Medicine 1986 and Dermatology 1991. She is a Fellow of the American College of Mohs Surgery, and American Academy of Dermatology, and a Diplomate of the American Board of Internal Medicine.

Dr. Warner was President of the Atlanta Dermatological Association, 2002 and is a Top Doctor in Atlanta Magazine, 2002 to 2020 and Castle Connelly’s Top Doctor 2012 to 2020.  She is a member of the American Academy of Dermatology, The American Society of Dermatologic Surgery, The American College of Mohs Surgery,  The Atlanta Dermatologic Association and The Georgia Society of Dermatology and Dermatologic Surgery.

She had the unique honor of being a part of the Medical Team for the 1996 Atlanta Olympic Games and Co-Director for the Cambodia Program, Health Volunteers of America, 2007-2009. 


Catherine G. Warner, MD, FAAD

Dr. Catherine Gupta Warner is an ABD board certified dermatologist and ACGME accredited fellowship trained pediatric dermatologist. She has extensive experience in treating adults with a specialty in the care of children.


An Atlanta native, Dr. Warner attended Atlanta International School before attending Williams College in Massachucetts. She completed medical school at the Medical College of Georgia followed by dermatology training at Drexel College of Medicine in Philadelphia, PA. After residency, she completed an extra year of pediatric fellowship training at UCSD - Rady Children's Hospital in San Diego. Throughout her career, she has been active in academic life with multiple publications and speaking opportunities.

Catherine is a proud member of the American Academy of Dermatology, The Society of Pediatric Dermatology,  Atlanta Dermatologic Association and The Georgia Association of Dermatology and Dermatologic Surgery.


Dr. Warner is so happy to have returned to her hometown and to have joined her mother, Dr. Janice Warner, in practice at Atlanta West Dermatology, a practice her mom has built from the ground up over the last 30 years. She enjoys seeing people of all ages for treatment in medical, surgical and cosmetic dermatology and feels very lucky to be the first mother-daughter practice in the city.


Patrick R. DeRouen, MMSc, PA-C

Patrick R. DeRouen graduated from Emory University School of Medicine, Master of Medical Science in Physician Assistant Degree, 2002. He began in general and vascular surgery, 2003-2006 and joined Atlanta West Dermatology in 2006.


Patrick is a member of the Society of Dermatology Physician Assistants and is Board Certified by the National Commission on Certification of Physician Assistants. 

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1550 Mulkey Road
Austell, GA 30106



Monday - Thursday    7:30am – 6:00pm
Friday                          8:00am – 12:00pm
Saturday - Sunday      Closed



Or call  770-732-1137 and dial 3

If you need to cancel an appointment, 

24 hours notice is required.

© 2023 byAtlanta West Dermotology


for after hours


If you are an established patient and are having a serious problem or reaction, we will do everything to help. 

Call 770-732-1137 and choose option 9 

For a medical emergency call 911 

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