About Saguaro Dermatology | Greater Phoenix Dermatologists

Our comprehensive dermatology clinics in Ahwatukee, Central Phoenix and Mesa are dedicated to providing you with the highest quality of care, innovative practices, helpful resources, and state-of-the-art technology to prevent and treat a multitude of skin disorders. Meet the Saguaro Dermatology team led by Carsten R. Hamann, MD, PhD, Dathan Hamann, MD, Michael McBride, MD, Millard Thaler, MD, Mohs Surgeon and Jenna Wald, MD, Mohs Surgeon, our passionate team looks forward to serving you with respect and compassion.

Meet Our Team

Carsten R. Hamann, MD, PhD

Carsten R. Hamann, MD, PhD

Dr. Carsten R. Hamann is a board-certified dermatologist at Saguaro Dermatology and the Contact Dermatitis Institute. He…

Dathan Hamann, MD, FAAD

Dathan Hamann, MD

Dathan Hamann, MD is a board-certified dermatologist and the medical director of Saguaro Dermatology and Contact Dermatitis…

Michael McBride, DO

Michael McBride, DO

Dr. Michael McBride is a board-certified dermatologist at Saguaro Dermatology. He completed his undergraduate degree at The Ohio State University and…

Millard Thaler, MD, Mohs Surgeon

Millard Thaler, MD, Mohs Surgeon

Dr. Thaler graduated medical school in 1976 from the University of California at San Francisco as a Regents Scholar. He completed his internship at University…

Jenna Wald, MD, Mohs Surgeon

Jenna Wald, MD, Mohs Surgeon

Dr. Jenna Wald is a board-certified dermatologist and Mohs surgeon at Saguaro Dermatology. She completed her undergraduate degree at the…

Kendall Smith, MSPAS, PA-C

Kendall Smith, MSPAS, PA-C

Kendall Smith, MSPAS, PA-C, is a board-certified physician assistant. He excels in providing exceptional medical and cosmetic dermatology services at Saguaro Dermatology…

Lauren Ax, MSPAS, PA-C

Lauren Ax, MSPAS, PA-C

Lauren Ax, PA, is a board-certified physician assistant. She has a passion for dermatology and providing the highest quality care to patients at Saguaro Dermatology…

Megan McBride, DNP

Megan McBride, DNP

Megan McBride is a board-certified family nurse practitioner licensed in the state of Arizona. She received her Bachelor of Science in Nursing and Doctor of Nursing Practice…

Kristi Amrhein, RN, BSN

Kristi Amrhein, RN, BSN

Kristi has been working in the Medical Aesthetic industry since 2022 and has shadowed Arizona’s most renowned injectors, establishing herself as a trusted authority and…

Ashlee

Ashlee

Ashlee is currently pursuing her nursing degree and plans to specialize in medical aesthetics. She brings a genuine passion for dermatology and loves helping…

Adriana

Adriana

Adriana has been in the dermatology field for more than a year. She worked as a medical assistant and is now taking on the new challenge of working the front desk…

Alyssa

Anne

With more than 24 years in the industry, Anne is an invaluable member of our team. She greets everyone with a smile, and makes it a priority to make sure each…

Brianna

Brianna

Brianna’s number one goal is to make her patients’ skin health journey comfortable. She has been a Medical Assistant for more than 13 years, and her knowledge and…

Caresa

Caresa

Caresa, an Arizona native and Pima Medical Institute graduate, has been working in the dermatology field for more than 3.5 years. She is passionate about helping…

Daniella

Daniella

With a background as a pediatric nurse and experience in burn units and plastic surgery, Daniella brings a strong commitment to patient care. Now serving as…

Danielle

Danielle

Forming relationships with her patients is Danielle’s favorite part of her job, and it’s the reason she has spent more than 13 years in the medical industry…

Denikka

Denikka

Denikka has been working in the dermatology field since 2020 but has had a passion for skin and wellness since long before. She is extremely outgoing and….

Harley

Harley

Although Harley recently began working in the medical field, she is already a tremendous asset to our team! She enjoys working at Saguaro Dermatology…

Holland

Holland

Holland’s passion for aesthetics and the medical field began at a young age. She started her career as a CNA and quickly found her niche in plastic surgery, aesthetics…

Isabella

Isabella

With a Bachelor of Science in Biological Sciences from California Polytechnic State University, San Luis Obispo, Isabelle brings both academic excellence and hands-on…

Jessica

Jessica

Jessica has been working as a medical assistant since 2017, and is a crucial member of our team. She brings a wealth of experience, working in dermatology for more than 3 years…

Kim

Kim

Kim brings to our practice more than 20 years of experience in the medical field. She enjoys working with our patients and is passionate about getting them…

Lauren

Lauren

Lauren, an incredible asset to our team, has been serving patients in the dermatology field for more than 9 years! She graduated from PIMA Medical Institute…

Oscar

Oscar

Oscar graduated from Pima Medical School in 2017 and has been working in dermatology since 2019. He is passionate about helping his patients find skin…

Rhianna

Rhianna

Rhianna joined Saguaro Dermatology in 2022, bringing a lifelong fascination with science and a Bachelor of Science in Biomedical Sciences from Arizona State University…

Teaghan

Teaghan

Teaghan is a recent graduate with honors of Pima Medical Institute. She has always had a passion for skin and is excited to start her journey as a Medical…