Phone: (714) 524-9700
16960 Bastanchury Rd Suite i
Yorba Linda, CA 92886








Dr Malcolm Ke: Please welcome the new owner of Yorba Linda Dermatology. Dr. Ke is from Southern California and a very qualified physician who received his medical degree from the Chicago Medical School. He then completed a dermatology residency at Case Western Reserve University and did a Mohs (skin cancer surgery) fellowship at the University of California, Los Angeles. Dr. Ke is an assistant professor at UCLA where he continues to teach Mohs surgery.


Mimi Tran, PA-C: Ms Tran has been a physician assistant since 2006. She completed her undergraduate work at the University of California, Irvine earning a Bachelors of Science in Biology and a minor in Business Management. She continued her graduate educate at Samuel Merritt College in Oakland, CA obtaining a Master's degree in Physician Assistant Studies. Mimi Tran is experienced in general dermatology, and dermatologic procedures including excisions, and repairs for Mohs procedures. 


Terrye Landis, PA-C: Ms Landis received her Registerd Nurse and Physician Assistant degress from the University of Southern California. She completed a two year residency in Dermatology and has 30 years experience in the treatment of surgical and non-surgical dermatology conditions. Terrye Landis also facilitates skin cancer awareness events in the community and volunteered at a dermatology clinic for the homeless.

Dr. Dennis Nguyen is an Orange County native, proud to be serving the community as a Board-certified Dermatologist and Fellowship-trained Mohs Surgeon.


Dr. Nguyen grew up in Anaheim and completed his undergraduate studies at the University of California, Berkeley. Following college, Dr. Nguyen continued his work in the UCSF Melanoma Sentinel Lymph Node Program, in addition to research of autologous melanoma vaccines. He graduated from the University of California, San Francisco School of Medicine as a prestigious Regents Scholar in 2004. From there, Dr. Nguyen, completed his dermatology residency at University Hospitals/Case Western in Cleveland before pursuing a Mohs Surgery and Procedural Dermatology fellowship at SUNY Downstate Medical Center.


Upon fellowship graduation in 2009, he joined The Permanente Medial Group and later, the Southern California Permanente Medical Group. In this setting, he was able to practice comprehensive medical dermatology, but also hone his interests in skin cancer and cutaneous oncology. Dr. Nguyen has performed over 10,000 cases of Mohs micrographic surgery and reconstruction during this time, treating all manners of common and rare, complex skin malignancies . His fellowship-training and extensive experience makes him specifically qualified for the meticulous work of skin cancer removal and the art of facial reconstruction.


Dr. Nguyen is a fellow of the American Academy of Dermatology and the American College of Mohs Surgery, and member of the American Society of Dermatologic Surgery. He reviews articles for publication in the journal Dermatologic Surgery. He serves as volunteer faculty with the University of California, Irvine.  


Dr. Nguyen enjoys travel, photography, and the foods and rich cultural opportunities that Southern California provides. He enjoys these offerings alongside his wife Alyssa, son Theodore, and their dog Crick.