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Meet the Leaders in Dermatology and Plastic Surgery in Arizona
OUR DERMATOLOGY EXPERTS
Unmatched Expertise in
Skin Health and Restoration
Unmatched Expertise in Skin Health and Restoration

Head of Dermatology
Betty Hinderks Davis, MD, FAAD







Dermatologist
Susan Iorio, MD






Physician Assistant
Jeanette Bannister, PAC
Jeanette Bannister is a certified Physician Assistant with a diverse clinical background and a strong commitment to providing exceptional patient care in dermatology. Originally from Fort Wayne, Indiana, she earned her Bachelor of Science from Indiana University Indianapolis and her Master of Science in Physician Assistant Studies at the University of Saint Francis. She has completed the SDPA Diplomate Fellowship and is passionate about helping patients feel confident and comfortable in their skin.






Physician Assistant
Lauren Fuller, PAC






Physician Assistant
Alexis Boschi, PA-C
Alexis Boschi is a board-certified Physician Assistant with over five years of clinical experience, specializing in dermatology. Born and raised in Arizona, Alexis has a strong connection to the local community and is proud to provide high-quality dermatologic care to patients throughout her home state.
Alexis earned her undergraduate degree from Arizona State University before moving to Massachusetts to complete her Master of Physician Assistant Studies at MCPHS University. Her experience in both urgent care and dermatology provides her with a broad foundation in patient care and a comprehensive approach to evaluating and treating a wide variety of skin conditions.
She has a particular interest in skin cancer detection and prevention, acne, inflammatory skin conditions, and developing individualized treatment plans for patients of all ages.
Alexis believes that excellent dermatologic care begins with listening to her patients and taking the time to educate them about their skin health. She strives to create a comfortable, welcoming environment where patients feel heard and confident in their treatment. She is committed to staying current with advances in dermatology and providing evidence-based, personalized care.
Outside of the office, Alexis enjoys traveling, hiking, and gardening. As a lifelong Arizona resident, she especially enjoys exploring the outdoors and experiencing the many beautiful landscapes her home state has to offer.

Dermatology
Madison Cawthon, PA-C
Madison Cawthon, PA-C, is a board-certified Physician Assistant and Arizona native with a passion for dermatology and providing thoughtful, patient-centered care. Her interest in dermatology began prior to PA school while working as a medical assistant and scribe in a busy dermatology and skin surgery practice, where she gained hands-on experience with medical and surgical dermatology, including Mohs surgery, Superficial Radiation Therapy, and other dermatologic procedures.
Madison earned her Master of Physician Assistant Studies from Creighton University in Phoenix, where she was a member of the inaugural Physician Assistant class at Creighton’s Phoenix campus. During her clinical training, she completed dedicated rotations in dermatology and plastic surgery and pursued additional education in dermoscopy through the Mayo Clinic.
She earned her Bachelor of Science in Health Sciences (BSHS), majoring in Physiology, from the University of Arizona, where she also completed a minor in Business Administration.
Madison is certified by the National Commission on Certification of Physician Assistants (NCCPA) and is a member of the Society of Dermatology Physician Associates (SDPA), American Academy of Physician Associates (AAPA), Dermatology Education Foundation (DEF), and Arizona State Association of Physician Assistants (ASAPA).
Outside of the clinic, Madison enjoys reading, traveling, trying new restaurants and coffee shops around Phoenix, and spending time with her husband, family, and friends.

Dermatology
Ronald Harris, MD

Dermatology
Michael Hinckley, MD
Dr. Michael Hinckley is board-certified in both general dermatology and Mohs micrographic surgery. He earned his medical degree from the University of Utah before completing his dermatology residency at Wake Forest University in North Carolina. He then completed a fellowship in Mohs micrographic surgery at the University of Louisville in Kentucky.
Throughout his career, Dr. Hinckley has been dedicated to both patient care and medical education. He has taught medical students and dermatology residents and served as an Assistant Clinical Professor. He has performed thousands of dermatologic surgeries, with particular expertise in the treatment of skin cancer.
Dr. Hinckley enjoys building meaningful relationships with his patients and takes pride in providing thoughtful, personalized care. He is especially passionate about treating skin cancer effectively while achieving the best possible outcomes for his patients.
Outside of the clinic, Dr. Hinckley enjoys spending time with his four children. As a native of Utah, he especially enjoys hiking, skiing, and horseback riding in the mountains.

Licensed Aesthetician & Certified Laser Technician
Ami Cook, LE, CLT
Head of Dermatology
Betty Hinderks Davis
Dermatologist
Dr. Susan Iorio, MD
Physician Assistant
Jeanette Bannister, PAC
Physician Assistant
Lauren Fuller
Physician Assistant
Alexis Boschi, PA-C
Alexis earned her undergraduate degree from Arizona State University before moving to Massachusetts to complete her Master of Physician Assistant Studies at MCPHS University. Her experience in both urgent care and dermatology provides her with a broad foundation in patient care and a comprehensive approach to evaluating and treating a wide variety of skin conditions.
She has a particular interest in skin cancer detection and prevention, acne, inflammatory skin conditions, and developing individualized treatment plans for patients of all ages.
Alexis believes that excellent dermatologic care begins with listening to her patients and taking the time to educate them about their skin health. She strives to create a comfortable, welcoming environment where patients feel heard and confident in their treatment. She is committed to staying current with advances in dermatology and providing evidence-based, personalized care.
Outside of the office, Alexis enjoys traveling, hiking, and gardening. As a lifelong Arizona resident, she especially enjoys exploring the outdoors and experiencing the many beautiful landscapes her home state has to offer.
Dermatology
Madison Cawthon, PA-C
Madison earned her Master of Physician Assistant Studies from Creighton University in Phoenix, where she was a member of the inaugural Physician Assistant class at Creighton’s Phoenix campus. During her clinical training, she completed dedicated rotations in dermatology and plastic surgery and pursued additional education in dermoscopy through the Mayo Clinic.
She earned her Bachelor of Science in Health Sciences (BSHS), majoring in Physiology, from the University of Arizona, where she also completed a minor in Business Administration.
Madison is certified by the National Commission on Certification of Physician Assistants (NCCPA) and is a member of the Society of Dermatology Physician Associates (SDPA), American Academy of Physician Associates (AAPA), Dermatology Education Foundation (DEF), and Arizona State Association of Physician Assistants (ASAPA).
Outside of the clinic, Madison enjoys reading, traveling, trying new restaurants and coffee shops around Phoenix, and spending time with her husband, family, and friends.
Dermatologist
Ronald Harris, MD
Dermatologist
Michael Hinckley, MD
Throughout his career, Dr. Hinckley has been dedicated to both patient care and medical education. He has taught medical students and dermatology residents and served as an Assistant Clinical Professor. He has performed thousands of dermatologic surgeries, with particular expertise in the treatment of skin cancer.
Dr. Hinckley enjoys building meaningful relationships with his patients and takes pride in providing thoughtful, personalized care. He is especially passionate about treating skin cancer effectively while achieving the best possible outcomes for his patients.
Outside of the clinic, Dr. Hinckley enjoys spending time with his four children. As a native of Utah, he especially enjoys hiking, skiing, and horseback riding in the mountains.
Licensed Aesthetician & Certified Laser Technician
Ami Cook, LE, CLT
Effective SKIN TREATMENTS for most conditions
Medical Dermatology
Mohs Surgery
Skin Cancer
Skin Conditions
Plastic Surgery
Our Plastic Surgery Experts
BOARD-CERTIFIED PLASTIC SURGEON
Jason Mussman, MD, FACS






Plastic Surgeon
Eric Hines, MD

PHYSICIAN ASSISTANT & INJECTOR
Jada Duong, PA-C

Physician Assistant
Maya Torres, PA-C



Physician Assistant
Ali Piaia, PA-C
Ali Piaia, PA-C, was born and raised in Rock Springs, Wyoming. She earned her Bachelor of Science in Kinesiology and Exercise Rehabilitation from the University of Hawaiʻi at Mānoa and went on to complete her Master of Science in Physician Assistant Studies at A.T. Still University in Mesa, Arizona.
Before attending PA school, Ali worked for five years in dialysis, gaining extensive experience in chronic disease management and patient-centered care. She is dedicated to providing thorough, individualized treatment to help patients achieve their health goals.
Outside of work, Ali enjoys backpacking, skiing, mountain biking, traveling, and spending time with her fiancé, three dogs, and family.

BOARD-CERTIFIED PLASTIC SURGEON
Jason Mussman, MD, FACS
Dr. Jason Mussman is a board-certified plastic surgeon specializing in all plastic and reconstructive surgery, with a strong focus on facial procedures in Arizona. From aesthetic treatments to reconstructive care, he delivers personalized solutions tailored to each patient’s needs. As a leading expert in the field, Dr. Mussman is known for his advanced facelift techniques that achieve natural, refreshed results—never overly tight or artificial. He introduced the world to the “Regency Lift,” a groundbreaking approach that combines cutting-edge facial aesthetic technology and surgical precision to deliver the ultimate in facial rejuvenation. With unmatched skill, he lifts and repositions facial tissues to restore a youthful, harmonious appearance.






Plastic Surgeon
Eric Hines, MD


PHYSICIAN ASSISTANT & INJECTOR
Physician Assistant
Maya Torres, PA-C
Originally from Shrewsbury, Massachusetts, Maya earned her undergraduate degree in Public Health with a minor in Biology from the University of Massachusetts Amherst. She went on to complete her Master’s in Physician Assistant Studies at MCPHS University and is an active member of the American Academy of Physician Associates (AAPA). With a passion for aesthetics and patient care, Maya is dedicated to helping patients feel confident and empowered through their cosmetic journey. Outside the clinic, she enjoys exploring local farmers’ markets, trying new happy hour spots, and spending time with friends.



Physician Assistant
Ali Piaia, PA-C
Ali Piaia, PA-C, was born and raised in Rock Springs, Wyoming. She earned her Bachelor of Science in Kinesiology and Exercise Rehabilitation from the University of Hawaiʻi at Mānoa and went on to complete her Master of Science in Physician Assistant Studies at A.T. Still University in Mesa, Arizona.
Before attending PA school, Ali worked for five years in dialysis, gaining extensive experience in chronic disease management and patient-centered care. She is dedicated to providing thorough, individualized treatment to help patients achieve their health goals.
Outside of work, Ali enjoys backpacking, skiing, mountain biking, traveling, and spending time with her fiancé, three dogs, and family.

A new take on anti-aging
Turn Back The Clock With Facial Procedures
From facelifts that restore youthfulness to rhinoplasty and eyelid surgery for enhanced definition, our facial procedures are designed to rejuvenate without looking overdone ensuring lasting beauty.

Patient Testimonials
5 stars are not enough. I could not be more pleased. After living 15 years with a bad augmentation, the breast revision that Dr Dang performed exceeded my expectations. His bedside manner was awesome and he was both responsive and attentive from consultation through the final 6week follow up. I would recommend him without reservation.
- Dawn F.
I’ve been a patient of Dr. Davis and Dr. Mussman for years. They’re very professional, caring, and provide the best care that you’ll ever receive in the Valley. I highly recommend them for your skin care!
- Steven M.
My first time consulting with Jada! She was INCREDIBLE, guiding me every step of the way with common sense methods to make me look & feel my best, as well as educating me thoroughly throughout the process & procedure. She is AMAZING & I will always return to her & Regency for any help I need cosmetically. Also, Dr. Mussman is a surgical genius, & helped me become my best self ever with the neck procedure. At 73 years old it is very rare to find health care providers that can be trusted so completely. Thank you, Jada & Dr. Mussman!
- Dee. R
PATIENT Testimonials
Your Trust, Our
Greatest Achievement
5 stars are not enough. I could not be more pleased. After living 15 years with a bad augmentation, the breast revision that Dr Dang performed exceeded my expectations. His bedside manner was awesome and he was both responsive and attentive from consultation through the final 6week follow up. I would recommend him without reservation.
- Dawn F.
I’ve been a patient of Dr. Davis and Dr. Mussman for years. They’re very professional, caring, and provide the best care that you’ll ever receive in the Valley. I highly recommend them for your skin care!
- Steven M.
My first time consulting with Jada! She was INCREDIBLE, guiding me every step of the way with common sense methods to make me look & feel my best, as well as educating me thoroughly throughout the process & procedure. She is AMAZING & I will always return to her & Regency for any help I need cosmetically. Also, Dr. Mussman is a surgical genius, & helped me become my best self ever with the neck procedure. At 73 years old it is very rare to find health care providers that can be trusted so completely. Thank you, Jada & Dr. Mussman!
- Dee. R
Medical Spa
Refresh, Revive, and Renew
Facials, Peels & Lasers
Our Medspa Experts

PHYSICIAN ASSISTANT & INJECTOR
Jada Duong, PA-C

Esthetitician
Ami Cook

PHYSICIAN ASSISTANT & INJECTOR

Esthetitician
Perfect Your Skin
The Matisse Shop
Explore our signature medical-grade skincare line.
Our Locations
You Can Find Us in Surprise & Phoenix
Your skin, your health, your beauty. All in one place


