Our Physicians

Joel S. Shavin, MD

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  • Bachelor of Science, Emory University, 1965
  • Doctor of Medicine, Emory University, 1969
  • Residency, Pediatrics, Grady Memorial Hospital, 1969-71
  • Chief Resident in Pediatrics, Henrietta Egleston Hospital, 1972
  • Board Certified, American Board of Pediatrics, 1975
  • Residency, Dermatology, Medical College of Georgia, 1976-78
  • Board Certified, American Board of Dermatology, 1978

Dr. Joel Shavin founded Gwinnett Dermatology, P.C. as a single physician practice in the once small community of Snellville, Georgia in July 1978. He has derived much pride in watching the practice grow to include six physicians and three physician assistants in Snellville, Loganville, and Braselton.

Dr. Shavin formed Gwinnett Clinical Research Center in 1981. This new initiative enabled Dr. Shavin–with his partner, Dr. Jonathan S. Weiss–to conduct hundreds of clinical trials for a multitude of dermatologic medications…allowing them to help pioneer many new treatments for a wide array of skin conditions.

He has published in over 55 medical and dermatology journals and is a member of the following organizations: American Academy of Dermatology, Atlanta Association for Dermatology and Dermatologic Surgery, Georgia Society of Dermatology and Dermatologic Surgery, Medical Association of Georgia, and Southern Medical Association.

As an expert in the field, he is committed to providing quality care for his patients’ dermatology needs and has a strong interest in both general and cosmetic dermatology. He enjoys working with patients to find the best solutions for their skin care problems.

Dr. Shavin credits his wife, Brenda, for her support and hands-on assistance throughout his years of training and practice building. Together, they have two accomplished children and two wonderful granddaughters.

In his spare time, Dr. Shavin enjoys playing the banjo, collecting art, and, of course, spending time with his family.


Jonathan S. Weiss, M.D.

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  • Bachelor of Science, University of Michigan with Highest Distinction, 1980
  • Doctor of Medicine, University of Michigan, Ann Arbor, MI, 1984
  • Internship, Internal Medicine, University of Michigan, 1984-85
  • Residency, Dermatology, University of Michigan, 1985-88
  • Chief Resident, University of Michigan, Department of Dermatology,
1987-88
  • Board Certified, American Board of Dermatology, 1988

Dr. Jonathan Weiss joined Gwinnett Dermatology, P.C. and Gwinnett Clinical Research Center in 1991.  He has active clinical and research interests in psoriasis, topical and systemic retinoids, photodamage, actinic keratosis, skin cancer, rosacea, infectious disease, and cosmetic dermatology.  Dr. Weiss enjoys challenging medical matters involving the skin and is committed to helping patients achieve their skin health goals.

He has authored or co-authored over 70 medical and dermatology publications in several journals.  In addition to practicing at Gwinnett Dermatology, Dr. Weiss is an adjunct assistant clinical professor of Dermatology at Emory University School of Medicine and lectures regularly at national meetings.  He is a past president of the Atlanta Dermatological Association and the Georgia Society of Dermatologists and fulfills positions on the Board of Trustees and Executive Committee for the Dermatology Foundation.  He is also a member of the American Academy of Dermatology, the American Medical Association, and the Medical Association of Georgia.   He is a reviewer and member of the Editorial Board of the Journal of the American Academy of Dermatology and a reviewer for several other medical journals.  He has received the Physician Recognition Award from American Medical Association and American Academy of Dermatology (AAD), received a Presidential Citation Award from the AAD and has been a Castle-Connolly Top Doctor since 2001.

Dr. Weiss is an avid tennis player and loves hiking and yoga.  He is married and has two children.


Keith D. Wright, M.D.

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  • Bachelor of Science, Morehouse College, Honors, 1988
  • Doctor or Medicine, Meharry Medical College, Honors, 1993
  • Internship, Internal Medicine, Rush Presbyterian-St. Luke’s Medical Center, 1994
  • Residency, Dermatology, Brown University, 1994-1997
  • Chief Resident, Brown University, Department of Dermatology, 1997
  • Board Certified, American Board of Dermatology, 1997
  • Fellowship, Moh’s Micrographic/Dermatologic Surgery, Emory University, 1998

Dr. Keith Weight joined Drs. Shavin and Weiss at Gwinnett Dermatology, P.C. as a Moh’s Micrographic Surgeon in 1998. He quickly established himself as a caring and competent physician and a welcome addition to the practice.

Dr. Keith Wright distinguished himself at Meharry Medical College as an Honor’s Graduate and received the Forde Award for Outstanding Senior, the Shropshire Memorial Surgery Award and was elected to Alpha Omega Alpha Medical Honor Society, which is the highest award a medical student can achieve. He has published articles on Trichoblastoma, Actinic Cheilitis, Primary Cutaneous Malignant Melanoma and surgical complications. He is a member of the American Academy of Dermatology, American College of Moh’s Micrographic Surgery, and Cutaneous Oncology and the American Society for Dermatologic Surgery.

In addition to his expertise in both medical and surgical dermatology, Dr. Wright specializes in the treatment of skin cancers. He has highly trained in Mohs Micrographic surgery, pathology, and post-surgery reconstruction. Understanding that effective doctor-patient communication results in better cure rates, disease prevention, and patient satisfaction, Dr. Wright values each patient’s individual needs and concerns.   He is a sought-after practitioner for his knowledge and treatment of skin cancers.

Dr. Wright is married and lives in Atlanta. In his spare time, he enjoys classical reading, painting, playing drums, and classic cars.


Kirk D. Saddler, M.D.

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  • Bachelor of Science, Physiology, Michigan State University, 1988
  • Doctor of Medicine, Case Western Reserve University, 1993-1997
  • Internship, Internal Medicine, Brown University Rhode Island Hospital, 1997-1998
  • Residency, Dermatology, Brown Medical School, 1998-2001
  • Chief Resident, Brown University, Department of Dermatology, 2000 – 2001
  • Board certified, American Board of Dermatology, 2002

Dr. Kirk D. Saddler joined Gwinnett Dermatology in 2003. He has a focused interest in general and surgical dermatology. Dr. Saddler leverages his extensive experience and advanced training to deliver the best results to his patients. He is a member of the American Academy of Dermatology, Atlanta Association for Dermatology and Dermatologic Surgery, Medical Association of Georgia, American Society for Dermatologic Surgery, and Dermatology Foundation.

Dr. Saddler is committed to providing the best level of service, results, and care to each patient. When he is not working, Dr. Saddler enjoys playing golf, tennis, and spending time with his family. He is married with three children.


Alia S. Brown, M.D.

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  • Bachelor of Science, Spelman College, 2000
  • Doctor of Medicine, Meharry Medical College, Honors, 2005
  • Internship, Internal Medicine, University of Maryland, 2005- 2006
  • Residency, Dermatology, University of Louisville, 2006-2009
  • Chief Resident, University of Louisville, 2008-2009
  • Board Certified, American Board of Dermatology, 2009
  • Fellowship, Cosmetic and Laser Fellowship, Skin Laser and Surgery Specialist of New York and New Jersey, 2009-2010

Dr. Alia Brown joined Gwinnett Dermatology in 2010 after distinguishing herself at Meharry Medical College as an Honor’s Graduate and inductee into the Alpha Omega Alpha Medical Honor Society. Upon completion of her residency in dermatology, Dr. Brown completed a cosmetic and laser fellowship with Dr. David Goldberg.

She has published in multiple medical and dermatology journals. She is a member of American Academy of Dermatology, American Medical Association, Women’s Dermatology Society, Alpha Omega Alpha Honor Medical Society, and Delta Sigma Theta Sorority Inc.

Dr. Brown specializes in partnering with patients to deliver the healthiest, most beautiful skin possible. As a highly skilled skin laser and surgery specialist, she has a focused interest in cosmetic dermatology, including laser medicine and injectables. She places a high priority on her patients’ well being and enjoys designing the most appropriate and successful treatment path for each individual. In her free time, Dr. Brown enjoys traveling, exercising, and volunteer work with several civic organizations. Dr. Brown is married and has three children.

Book an Appointment with Dr. Brown


Jessica J. Mercer, M.D.

dermatology loganville ga

  • Bachelor of Science, Howard University, Summa Cum Laude, 2004
  • Doctor of Medicine, University of Southern California, 2008
  • Internship, Transitional in Internal Medicine/Surgery, New York Hospital Queens/Cornell University, 2008-2009
  • Residency, Dermatology, Brown University, 2009-2012
  • Chief Resident, Brown University, Department of Dermatology, 2011-2012
  • Board Certified, Dermatology, American Board of Dermatology, 2012
  • Fellowship, Dermatopathology, Albert Einstein College of Medicine, Dermpath Diagnostics of New York, 2013
  • Board Certified, Dermatopathology, American Board of Dermatology, American Board of Pathology, 2014

Dr. Jessica Mercer joined Gwinnett Dermatology in 2014 as a dermatologist and dermatopathologist.  She values a dynamic patient-physician relationship; and works side by side with her patients in order to understand their medical history and develop a treatment plan that is personalized and successful. She has a comprehensive practice that includes general dermatology, pediatric dermatology, cosmetic dermatology, and surgical dermatology.

Dr. Mercer is a member of American Academy of Dermatology, American Society of Dermatopathology, Women’s Dermatologic Society, Skin of Color Society, American Medical Association, Dermatology Foundation, Medical Association of Georgia, Atlanta Association for Dermatology and Dermatologic Surgery (AADDS), Phi Beta Kappa Honor Society, and Alpha Kappa Alpha Sorority, Inc.  She also serves as Voluntary Assistant Professor at the University of Miami Department of Dermatology and Cutaneous Surgery.

Dr. Mercer is committed to providing exceptional care for your dermatology needs. In her free time, Dr. Mercer enjoys international travel and recreation, mentorship and community service, exploring new shops and restaurants, and spending time with family and friends.

Book an Appointment with Dr. Mercer

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Find Us

Snellville Office

2383 Pate St
Snellville, GA 30078
Tel: (770) 972-4845
Loganville Office

117 Lee Byrd Rd
Loganville, GA 30052
Tel: (770) 972-4845
Braselton Office

1515 River Pl #300,
Braselton, GA 30517
Tel: (770) 972-4845