About Us

George J Hruza, MD, Medical Director

Dr. Hruza
Best Doctors Dr. George J Hruza St. Louis, MO

Dr. Hruza is an Adjunct Professor of Dermatology at St. Louis University and Director of the Laser & Dermatologic Surgery by appointment only Our Dedicated Staff Center in St. Louis, Missouri. He received his medical degree from New York University at the top of his class and is a member of Phi Beta Kappa and Alpha Omega Alpha Honorary Societies. He completed his dermatology residency at New York University Medical Center followed by a laser surgery fellowship at Harvard Medical School and a Mohs and dermatologic surgery fellowship at the University of Wisconsin-Madison with Dr. Fred Mohs, developer of the Mohs surgery technique for precise skin cancer removal. Dr. Hruza is a Diplomate of the American Board of Dermatology, American Board of Mohs Surgery and Cutaneous Oncology, and American Board of Laser Surgery. Before his current position, he was an Associate Professor of Dermatology, Otolaryngology and Surgery at Washington University in St. Louis. He has been on the Best Doctors list for more than fifteen years Dr. Hruza serves as Assistant Editor of Dermatologic Surgery for the Journal of the American Academy of Dermatology, on the editorial boards of Lasers in Surgery and Medicine and Journal of Cosmetic and Laser Therapy, on the Board of Directors of the American Academy of Dermatology and United Skin Specialists, and on the Council of the Missouri State Medical Association. He is Past President of the American Society for Laser Medicine and Surgery, the St. Louis Metropolitan Medical Society, and the American Society for Dermatologic Surgery. He has contributed more than 140 publications to the medical literature, including three textbooks on laser surgery, and has lectured on four continents about laser surgery, Mohs micrographic surgery, skin cancer, and skin surgery.

Robert E Weltman, MD FAAD FACMS

MaryDr. Robert Weltman is a Mohs Surgeon at Laser & Dermatologic Surgery Center. He received his medical degree from New York University College of Medicine, graduating with honors. He also completed additional training in internal medicine from Weill Cornell University Medical College, New York. His dermatology residency was completed at New York University Skin and Cancer Center. From there, he completed a fellowship in Mohs micrographic surgery at the University of Wisconsin-Madison, training under Dr. Fred Mohs, developer of the Mohs surgery technique for precise skin cancer removal.

Prior to joining Laser & Dermatologic Surgery Center, Dr. Weltman held various positions during his distinguished medical career including Chief of Service for Dermatology at Manhattan VA Medical Center; Director, Surgery Section, Department of Dermatology at the University of Cincinnati Medical Center; Private Practice in Cincinnati for 14 years; Mohs Surgery and General Dermatology at Water’s Edge Dermatology, Palm Beach Gardens, FL.

Dr. Weltman holds several professional licenses and memberships including Board-Certification from the American Academy of Dermatology and memberships in the American Medical Association and American College of Mohs Surgery. He is also a member of Alpha Omega Alpha Medical Honor Society.

Mary McKaig, RN

MaryMary is our cosmetic registered nurse. She joined the Laser & Dermatologic Surgery Center in 2003, and has been specializing in the care, treatment and enhancement of skin in the cosmetic dermatology setting since 2000. Mary received her Bachelor of Science degree in Nursing from Southern Illinois University in Edwardsville. Previous to cosmetic dermatology she worked as a telemetry and pediatric nurse. Mary has extensive experience and training in lasers, injectables, peels and skin rejuvenation techniques. Mary likes to use treatment strategies to keep her clients looking natural and enhancing their personal beauty. She is available for complimentary consultations by appointment.

Our Dedicated Staff



MelissaMelissa is the laboratory technician at Laser & Dermatologic Surgery Center. She started working with Dr. Hruza while he was at Washington University, and has been working for him over 17 years. Melissa graduated from Collinsville High School and has a daughter Brianna. Melissa enjoys attending all Brianna’s sporting events. She also enjoys bowling, movies, walking, and spending time with her friends and family.



ShannonShannon is the surgery scheduler/credentialing coordinator at Laser & Dermatologic Surgery Center. She graduated from Mascoutah Community High School and later attended Southwestern Illinois College. Currently, Shannon resides in St. Louis City. In her free time she enjoys spending time with her friends and family, gourmet cooking, and making jewelry.








AlesiaAlesia is the billing/insurance coordinator at Laser & Dermatologic Surgery Center. Alesia is our “Farm Girl,” born and raised in Chesterfield. She has been in the medical field for almost 21 years, working in Dermatology, Internal Medicine, and Radiology offices. She has a wide range of office experience from file clerk to insurance coding and billing. Alesia possesses a high standard of care and concern to patients’ needs. Alesia has 3 children, Amy, Traci, and Derek. Her favorite activity is playing softball, and she is the coach for her church women’s softball team. She also enjoys collecting Mickey Mouse memorabilia and spending time with her family and friends. Let’s not forget her love for the St. Louis Cardinals!




RobinRobin is the medical secretary at the Laser and Dermatologic Surgery Center. She has worked in the medical field for over 20 years. When not at work, Robin enjoys going to baseball games and bow hunting with her husband Mark.