Our Providers

Dr. Jeffrey T. Bortz

Dr BortzDr. Jeffrey T. Bortz received a Bachelor of Science degree in biology, with Distinction, at Iowa State University. He then completed his medical school training at the University of Iowa, where he had the opportunity to participate in the Senior Honors Research Fellowship Program and was elected to the College of Medicine Continuing Medical Education Committee.

After completing an internship in internal medicine at Boston University, Dr. Bortz completed his residency training and served as Chief Resident at the Stanford University Department of Dermatology. Following this, he completed a one year skin cancer surgery fellowship in Australia, which included comprehensive training in Mohs micrographic surgery, surgical reconstruction, and skin cancer management. Dr. Bortz is one of the few fellowship-trained Mohs surgeons in the Bay Area. He is also an Adjunct Assistant Clinical Professor of Dermatology at Stanford University, and regularly lectures and instructs Stanford Dermatology residents regarding skin cancer surgical techniques and skills.

Over the past fifteen years, Dr. Bortz has performed over 20,000 Mohs Micrographic Surgery cases and surgical reconstructions. He receives patient referrals from physicians throughout the Bay Area, and is highly regarded as an expert in his specialty.

Dr. Bortz’s credentials include:

  • Board Certified, American Board of Dermatology
  • Fellow, American College of Mohs Micrographic Surgery
  • Member, American Society of Dermatologic Surgery

Dr. Bortz’s staff appointments include:

  • Adjunct Assistant Professor and former Chief Resident, Stanford University Medical Center Department of Dermatology, Stanford, CA
  • Active Staff, John Muir Medical Center, Walnut Creek, CA

Dr. Bortz's Recent Awards include

  • Patient's Choice Honoree- 5 consecutive years
  • Super Doctors Honoree (selected by physician peers as one of California's top 5% physicians)- 2011 & 2012

Patricia Loo, PA-C

Patricia LooPatricia Loo, PA-C received a Bachelor of Science degree in Biopsychology with honors at the University of California, Santa Barbara. Patricia completed her Master’s degree in Physician Assistant Studies from the Arizona School of Health Sciences in 2006. Patricia’s primary areas of interest include the diagnosis and treatment of skin cancer. She joined our practice in 2006.

Patricia's credentials include:

  • Nationally Certified, National Commission on Certification of Physicians Assistants
  • State Licensed, Medical Board of California
  • Member, Society of Dermatologic Physician Assistants

Kate Durdel, PA-C

Dr BortzKate Durdel, PA-C received a Bachelor of Science Degree in Biology at Linfield College in McMinnville, Oregon. Before attending graduate school, Kate worked in a Mohs clinic for nearly two years where she participated in many Mohs surgeries. Kate completed her Master’s of Physician Assistant Studies at Oregon Health and Science University in 2011. Kate’s primary areas of interest include diagnosis and treatment of general dermatological conditions, as well as surgical treatment of skin cancers. She joined our practice in 2011.

Kate's credentials include:

  • Nationally Certified, National Commission on Certification of Physicians Assistants
  • State Licensed, Medical Board of California
  • Member, Society of Dermatologic Physician Assistants

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East Bay Skin Cancer Center | 355 Lennon Lane, Suite 255 | Walnut Creek, CA 94598 | Tel: 925-932-7704 | Fax: 925-932-7752 | www.dermclinic.com