About Us/Faculty

PracticalCME’s Mission Since 2008

All of our courses are written to be entertaining as well as informative. We know that a person only retains 10-20% of what is heard for the very first time in a lecture session. That is why we back up our training courses with a variety of supplemental materials to enhance learning and retention…

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Our instructors always give out their email addresses and promptly answer any questions and clarifications after the course is over. This is why over 35% of our attendees have already taken one PracticalCME course at any time in the past. Our track record makes us so confident that you will earn back at least double what you paid for the course. That is why all of our live courses are covered by our “Learn It and Earn It” money back guarantee. See the Terms and Conditions when placing your order for details.

PracticalCME’s courses are not for everyone. We cater to the brightest, most-motivated and entrepreneurial providers. Our courses contain all of the basic information and protocols but include the in-depth information that will take you from a provider to a master of the procedure. We want our graduates to perform above the standards of care in their community from the first day that they launch their new service. Some of our topics like Cosmetic Uses for PRP, PDO Thread Lift, and Neurotransmitter/GI are the only online CME courses of their kind anywhere and require a special and highly-motivated aesthetics or wellness provider who wants to stand out among the competition.

Want to Join our Faculty
and Teach Courses in your Own Office?

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Gregory P. Zengo, MD

Medical Director, PracticalCME Medical Training
Director, Atlanta, Seattle, Chicago, and Phoenix Training
Director of Hotel-Based and Online Training

Gregory P. Zengo, MD has trained hundreds of physicians in aesthetic procedures like Botox, Dermal Fillers, Liposuction, and Sclerotherapy, in addition to wellness services like BHRT with Saliva Testing, and medical weight loss since early 2006. He has forged a unique blend of rigorous evidence-based instruction with practical tips, tricks, and hands-on techniques to help the new practitioner become experienced in the shortest time. His own practice in Georgia serves as a laboratory for everything that is new in aesthetic medicine. What works in reality becomes PracticalCME’s next training course. By remaining in close contact with hundreds of doctors, he is always enriching the course content to make our training the most valuable anywhere. Dr. Zengo is a board-certified OB/GYN specialist. Following his medical school at Emory University in Atlanta, he completed his residency training also at Emory. As a resident, he was awarded the title of Chief Administrative Resident and Resident Teacher of the Year. He has spent 9 years as an Assistant Professor or Clinical Instructor on the Emory faculty.

He has trained with some of the world’s best practitioners in Sclerotherapy, Mesotherapy, Liposuction, PDO Threads, Platelet-Rich Plasma, and Bio-Identical Medicine. These skills have been very well-received by his patients and profitable for his practice. “I found that the most profitable procedures that had the highest patient demand were also the ones that required the least amount of expensive equipment.” And so, PracticalCME was founded to teach physicians new skills, not sell them expensive equipment that will be obsolete in 2 years. Since then, his practice has grown from being 10% aesthetic and wellness services in 2002 to 95% aesthetic and wellness services, and he has not taken a night of call or set foot inside a hospital in over 15 years.

His practice and its adroit transition from traditional medicine to a hybrid of medical/alternative/aesthetic services brought physicians from over 40 states to train one-on-one with Dr. Zengo in his Georgia offices over the past decade. Dr. Zengo began giving his own unique CME training courses in late 2006 but did not cave in to the influence of sponsors who tried to control his content. This led to the founding of PracticalCME in 2008. He has lectured hundreds of physicians since then, most of whom have come back to train in multiple topics.

Dr. Zengo is licensed to practice in Georgia, Florida, California, Arizona, Washington, New York, and Illinois.

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Rebecca Appleton Castillo, MD

Co-Director, Charlotte and Charleston, SC Training Centers

Dr. Rebecca Castillo is a graduate of Duke University, having earned a BS in Zoology. She also holds a Master’s Degree in exercise physiology/cardiac rehabilitation at the University of Maryland. She managed the corporate fitness center at the National Security Agency before completing her MD degree at the University of Maryland. She then completed a three-year residency in family medicine at the Medical University of South Carolina. In 1999, she co-founded Carolina Family Medicine where she practiced through 2008 in addition to co-founding MD Laser studio in 20

Dr. Appleton Castillo holds membership in the American Society for Laser Medicine and Surgery and the International Society for Hair Restoration Surgery. She has a special interest in the post-menopausal patient; specifically how non-surgical cosmetic procedures can boost confidence. She has extensive teaching experience having served as clinical preceptor to numerous nurse practitioner students.

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Alissandro “Andy” Castillo, MD

Co-Director, Charlotte and Charleston, SC Training Centers

Dr. Andy Castillo is the owner and Medical Director of M.D. Laser Studio, and Encore Nurses. He is a family physician with extensive dermatological and surgical training. His education includes a BS degree in Zoology from the University of Maryland, an MD degree from Wake Forest University, and an MBA from Duke University Fuqua School of Business. Dr. Castillo completed an internship in general surgery at Walter Reed Army Medical Center. While serving in the United States Army as a flight surgeon he also successfully completed a plastic and reconstructive surgery research fellowship at prestigious Johns Hopkins. Following his military service, he finished a three-year residency in family medicine at the Medical University of South Carolina.

Dr. Castillo is a committed fellow of the American Society for Laser Medicine and Surgery as evidenced by his membership to several committees (Constitution & Bylaws, Membership, Audit and Strategic Planning) and is chair of the Finance Committee. He has also distinguished himself an expert on a wide variety of cosmetic devices often called upon to train others. He has has trained and spoken on behalf of Restylane and Dysport, and is a Platinum Plus Provider of Botox and the Juvederm family of products for Allergan. He is also a member of the International Society For Hair Restoration Surgery. He has an appointment as Technical Advisor at Duke University’s Fuqua School of Business. He was recently awarded his first U.S. patent.
Dr. Castillo is the co-director of the PracticalCME Charlotte Training Center.

Theresa Huyen, MD

Director, Orlando (New Smyrna Beach, FL) Training Center

Dr. Huyen began her medical career as the founder of Total Care in 2007, where she provided primary care in Internal Medicine and Hospitalist services, promoting a holistic approach to medicine. Dr. Huyen consistently led her patients by empowering them through teaching, compassionate, and innovative medical care.


Dr. Huyen’s holistic approaches and special interest in teaching, aesthetics, and wellness care led her to become the visionary founder of the Transform Aesthetic Center in New Smyrna Beach, Florida, in 2017.


At Transform Aesthetic Center, She offers minimally invasive procedures and hosts aesthetic trainings for Neuromodulators, Dermal Fillers, Microneedling, cosmetic PrP, and combination therapy using Injectables, PDO thread lift, laser, RF technology, providing a platform for medical providers to enhance their knowledge and skills.


Her educational approach focuses on tailoring individualized training to elevate the aesthetic knowledge and skills of her trainees, equipping them with practical clinical pearls that are applicable in their practice. This simplified way of understanding and performing complex topics or procedures.


With a rich history as a preceptor since 2007 for Nurse Practitioners, Medical Assistants, and Medical Aesthetic Practitioners since 2019, Dr. Huyen has consistently shared knowledge and nurtured the talents of aspiring healthcare professionals. Recognized for passion to education during her residency years at St. Elizabeth Health Center in Youngstown, OH, Dr. Huyen was awarded the Medical Student Teacher of the Year for her dedication to teaching and knowledge sharing. She received the Dr. Harcharan Singh Award for Humanism in Medicine and Outstanding Clinic Resident of the Year, reflecting a deep commitment to clinical excellence and patient care.  Dr. Huyen welcomes medical providers to join her and is honored to be a part of their learning and professional development, leveraging expertise and dedication to the art of healing and aesthetic.

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Robert Caiati, MD

Director, New York (Babylon, Long Island), NY Training Center

Dr. Robert Caiati is the owner and founder of Shore Medical Aesthetics & Anti-Aging. He is a board certified physician with a professional yet welcoming bedside manner. Dr. Caiati graduated medical school at the Technion Israel Institute of Technology, completed a surgical internship at New York Hospital Queens and finished medicine residency at Stony Brook University. Dr. Caiati is well trained and very experienced in laser skin care and other non-surgical cosmetic procedures like Botox, Juvederm and Coolscultping. He is very knowledgeable in skin care products and has been performing cosmetic injections like Botox and Juvederm for over 7 years. Dr. Caiati also has expertise in performing laser assisted liposuction, like Smart Lipo, and fat transfers. He has an artistic eye, skilled hands and a gift for obtaining beautiful natural looking results. He believes in moderate correction rather than over-correction.”

Roop Monica Gill, MD

Director, West Palm Beach, FL Training Center

Founder of Pulsar Health, Dr. Roop Monica Gill is a board-certified plastic surgeon based out of West Palm Beach, Florida, USA.

Pulsar Health empowers clients for peak performance and quality of life, for beauty based on health, by harnessing the latest science with holistic healing in a joyful journey together.

Currently Dr. Gill oversees a wellness center, day spa, med spa, plastic surgery office and teaching facility.

 

Dr. Gill has trained extensively at the world’s best institutions including craniofacial surgery at UCLA, plastic surgery at Vanderbilt, general surgery at UPMC, immunology research at NIH and a Masters in Biotechnology at Hopkins. She combines this with ongoing development of a broad range of medical skills including experience in Eastern healing modalities, to provide the scientific foundations and caring heart of Pulsar Health.

Thomas T. Lee, MD

Director, Los Angeles (Irvine, CA) Training Center

     Dr. Thomas Lee, M.D., M.B.A., is the owner and medical director of Jade Phoenix Aesthetic Medicine medical spa and surgery center in Irvine, California (www.jadephoenixaestheticmedicine.com).  He spent years taking care of the most acutely and critically ill patients.  During this time, he realized his experienced skill set and knowledge would seamlessly transfer over to providing the best possible aesthetic care.  Thus, Jade Phoenix Aesthetic Medicine was born.  Dr. Lee is board certified in aesthetic medicine and anti-aging medicine by the American Board of Aesthetic Medicine and is also board certified in aesthetic medicine by the American Academy of Procedural Medicine.  He takes an evidence based, scientific approach in the treatment of his patients to ensure they are receiving the most sound, proven, safest, effective, and advanced therapies.    

     Dr. Thomas Lee received his M.D. from the University of North Carolina School of Medicine. In addition to his M.D., Dr. Lee has a Master of Business Administration from The George Washington University School of Business. He is a Diplomate of the American Board of Anesthesiology and has been a practicing anesthesiologist for 22 years.  He works with all the various surgical specialties and has a particular interest in neurosurgical and trauma anesthesia. 

 

     The use of applied innovation in medical technology is something Dr. Lee is very passionate about.  Aesthetic and regenerative medicine is presently one of the most innovative areas of medicine which naturally drew him to this field.  This passion extends beyond the practice of medicine as Dr. Lee is also the Orange County Medical and Life Sciences Chair for Tech Coast Angels and is heavily involved in the medical technology startup community in Southern California.

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