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Welcome to Our Practice

Dermatologist Tigard, OR

Welcome! The dermatology professionals at Dermatology Associates are pleased to welcome you to our practice. We want all of our patients to be informed decision makers and fully understand any health issues you face. That’s why we’ve developed a web site loaded with valuable information about dermatology and dermatological problems and treatments.

Our web site also provides you with background about our physician(s), staff, office hours, financing policies, appointment procedures, maps, directions to our office in Tigard and other useful information. We know how hectic life can be and are committed to making our practice convenient and accessible. We want you to feel confident that when you choose Dermatology Associates, you’re working with doctors and other professionals who are qualified, experienced and caring.

Please take a few moments to look through this site to get a better feel for Dermatology Associates’s capabilities and services. We also invite you to email or call our Tigard office at any time to request an appointment or ask any questions. Thank you.


  • Scott A.B. Collins

    Dr. Collins limits his practice to the treatment of skin cancer. He is an expert in Mohs Micrographic Surgery and Cutaneous Oncology.

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  • Eric Hester

    Dr. Hester has three very active daughters who keep him busy most evenings and weekends with their variety of sports and extracurricular activities.

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  • Gretchen Vanderbeek

    Dr. Vanderbeek grew up in Aurora, Oregon and spent her summers bossing around her younger brothers and swimming in the river.

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  • Scott Maury

    Scott Maury received his undergraduate degree from the University of Colorado at Colorado Springs in 1998 and received his Master’s degree in Physician Assistants Studies from Rosalind Franklin University in Chicago in 2002.

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  • Holly Rasmussen

    Holly Rasmussen received her undergraduate degree from the University of California at Santa Barbara in 1993 and received her Master’s degree in Physician Assistant Studies from Rosalind Franklin University in Chicago in 1997.

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  • Andrew M. Lin

    Dr. Lin has been in practice since 2017 and joined Dermatology Associates in 2019.

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  • "Dr. Hester is the best. Been seeing him for years now, he very personable, easy to talk to and share my concerns with. He's the best."
    - Susan Gould | Facebook
  • "Love Dr. Hester here. He's very professional and thorough in his care. I've seen him for several years as well as other members of his staff. I've been very satisfied with all services I've received."
    - Beth H. | Yelp
  • "I’ve been a patient of Holly Rasmussen for over 15 years and I couldn’t ask for a better Dr. She is like a friend and the service is always on time and excellent care."
    - Nancy Lio Allsup | Facebook
  • "Went to dermatology associates to deal with skin complications from orthopedic surgery. Dr Vanderbeek was great and knew how to treat the problem were as other doctors could not diagnose it."
    - Todd G. | Yelp


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Our Regular Schedule


7:30 am-5:00 pm


7:30 am-5:00 pm


7:30 am-5:00 pm


7:30 am-5:00 pm


7:30 am-4:30 pm





Dear Patients,

We are here for you at Dermatology Associates. In the past months we have set protocols into place to protect both patients and staff from Covid-19 and we are continuing to care for the members of our community. We are following CDC and State of Oregon guidelines and updating our practices as new information becomes available. At this time, we have both in-person office visits as well as telemedicine visits when appropriate. We are performing full skin examinations, skin cancer and benign symptomatic lesion surgery and Botox injection. Read more

Frequently Asked Questions