At Macias Dermatology, our clinic culture is centered around building and maintaining strong relationships with our patients. For us, the hallmark of exceptional patient care is uniting expertise and experience with warmth and support. Working together as a team, we strive to provide you with unparalleled, personalized service. We look forward to getting to know you and enhancing your skin health.
Dr. Macias graduated cum laude from the University of Southern California with an honours degree in Psychobiology. He earned his medical doctorate from Harvard Medical School and received surgical training during his internship in general surgery at the University of California San Francisco. He completed his training in medical and cosmetic dermatology in New York City. During his medical education, Dr. Macias developed a fascination with the science and art of dermatology. Realizing that no specialty offered a greater variety of patients or interesting cases, he was inspired to become a dermatologist and run his own private practice.
Establishing a trusting relationship with his patients is a vital part of Dr. Macias’ philosophy. His ability to address every patient’s skin concerns with sensitivity and empathy, along with his expert knowledge, has nurtured a bounty of referrals from his patients and physician colleagues alike. Dr. Macias’ practice serves a diverse set of patients representing a broad spectrum of skin disorders. His treatment regimens are constantly evolving to reflect the newest advances in the areas of general, surgical and cosmetic dermatology.
Throughout his medical training, Dr. Macias has been actively involved in teaching and writing on various topics pertaining to medical dermatology; he recently authored a lead article on “Superantigens in Dermatology,” which graced the cover of the March 2011 issue of the Journal of the American Academy of Dermatology.
Dr. Macias is Board Certified by the American Board of Dermatology. He is a member of the American Academy of Dermatology and is on staff at the local hospital. He is licensed in California and is fluent in Spanish.
Dr. Mafi is a highly esteemed plastic surgeon who is dedicated to enhancing the appearance and self-confidence of his patients. Possessing a background in molecular cell biology, he brings a scientific approach to his surgical practice. Dr. Mafi earned his Bachelor of Arts in Molecular Cell Biology from the prestigious University of California, Berkeley and went on to receive his Medical Degree from Ross University, School of Medicine with Honors.
Dr. Mafi’s extensive training has included opportunities to work with some of the leading professionals in the field.
He completed his internship at the renowned Mayo Clinic in Rochester, MN, and further developed his surgical skills through a residency in General Surgery at the State University of New York at Buffalo. He then pursued advanced training through a fellowship in Plastic and Reconstructive Surgery at Wayne State University/Detroit Medical Center, where he gained comprehensive exposure to all aspects of plastic surgery, including aesthetic cosmetic surgery of the face and body, body contouring, breast surgery, facial rejuvenation, and reconstructive surgery for breast and skin cancer.
As a physician, Dr. Mafi is committed to fostering a trustworthy and honest relationship with his patients, while providing exceptional care. He is a compassionate doctor and surgeon who is always striving to bring the latest and most innovative surgical techniques to his patients. To achieve this goal, he has trained with some of the world’s most renowned surgeons.
In his personal life, Dr. Mafi enjoys spending quality time with his family. He is married to Tiffany and has two children, Elena and Bardia. Whether in the operating room or with his loved ones, Dr. Mafi is dedicated to making a positive impact in the lives of those around him.
Jason started his medical career as a United States Army Combat Medic/Practical Nurse 25 years ago. He received his Associate of Science degree from San Joaquin Valley College in 2009, and has been working exclusively in dermatology ever since. As a Board-Certified Physician Assistant, he has completed six years of diverse services in dermatology. His special interests include treating patients with acute and autoimmune dermatological diseases, as well as light and laser treatments.
Jason was born and raised in the Central Valley and is dedicated to his local community. In his free time, Jason volunteers as the president of Valley Banditz Softball organization and is registered as a disaster healthcare volunteer with EMSA.
Stephen was born and raised in the Central Valley. He graduated from Fresno State in 2015 with a degree in Public Health. While attending college he worked as a medical scribe in the emergency department at St. Agnes and after graduating began working at Macias Dermatology as a medical assistant. While working at Macias Dermatology, Stephen developed a passion for dermatologic skin conditions.
Stephen had a desire to further his education and attended Chapman University where he received his Masters in Physician Assistant studies. He is a board certified PA. He has returned to the office and has been practicing full time for the last 2 years in hopes to continue serving our patients in every way possible. Stephen enjoys getting outdoors, traveling and spending time with family and friends.
Michelle was born and raised in the Central Valley where she graduated high school from San Joaquin Memorial. She went on to earn a Bachelor’s of Science degree in both Nutritional Science and Nursing with honors. Michelle began her nursing career as an emergency room nurse where she excelled and was quickly promoted into a leadership role as a charge nurse. She emphasized that positive health outcomes could be achieved with great patient education and quality patient care. As a result of her efforts, Michelle was awarded the Alice Peters scholarship for Leadership. Her success inspired her to further her education by earning a Master’s of Science Degree as a Family Nurse Practitioner with high honors.
Michelle has been employed as a board-certified Family Nurse Practitioner since 2016, working in both the emergency department as well as the exciting world of dermatology. Michelle was drawn into dermatology in part due to her own personal experiences with skin conditions and by that of some of her family. She also found the variety of cases and their visual context challenging and fun. She specializes in medical dermatology from mole checks, skin cancer treatment, acne, psoriasis, rosacea, and atopic dermatitis to name a few. Michelle’s background has helped her to empathize with her patients’ conditions and strengthened her resolve to promote the importance of prevention and proper patient education. She has a constant thirst for knowledge and enjoys continuing her education through medical journals, conferences, and learning from difficult cases.
In her spare time, Michelle enjoys reading, traveling and spending time with her family.
Halli brings a wealth of experience in aesthetic medicine to Macias Dermatology, delivered with warmth and a keen focus on excellence and innovation in her field. Having started her career as a medical aesthetician, her commitment to advancing her skills and expertise led her to pursue a higher education. Over six years, she honed her passion for skin care and anti-aging treatments as she trained to become a Registered Nurse, later obtaining a Bachelor’s of Science in Nursing. Her nursing experience includes three years working in the field of plastic surgery providing peri-operative patient care. At Macias Dermatology, she has championed microneedling–a treatment that has gained a large following in Hollywood for its non-invasive skin resurfacing benefits. Her extensive experience and training lends to a particularly sought after aesthetic; Halli is known for beautiful natural results. Halli is pleased to specialize in cosmetic injectable treatments, medical-grade chemical peels, laser procedures and microneedling
