
Dr. Eric Hanson, MD
Cosmetic Dermatology,
Mohs Surgery
Medical Expertise of Dr. Eric Hanson, MD
Eric L. Hanson, MD is a board-certified Portland dermatologist and Mohs surgeon providing medical dermatology care to patients at Knott Street Dermatology. Dr. Hanson received additional training in the use of Mohs surgery for the treatment of skin cancer.
About Dr. Eric Hanson, MD
Dr. Eric Hanson earned his undergraduate degree from the University of Illinois prior to obtaining his medical degree (MD) from Tufts University School of Medicine in Boston. Dr. Hanson then completed a transitional internship at the Naval Medical Center in San Diego before embarking on a four-year military commitment with the US Navy in Groton, CT where he served as an Undersea Medical Officer.
While serving the diving and submariner community, Commander Hanson received many medals and commendations, including those honoring his service as a US Navy Diver, as well as his medical support for the Salvage Operation of TWA Flight 800 off the Long Island coast.
Conditions Treated
Procedures & Services
Tips & Wisdom
Photodynamic Therapy (PDT) treats actinic keratoses (precancerous lesions), certain types of skin cancer, and acne. PDT is a two-stage treatment combining light energy with a drug (photosensitizer) to destroy said cancerous and precancerous cells after light activation while leaving normal cells intact. The treatment consists of application of a sensitizing agent – either Levulan (aminolevulinic acid 20%) or Metvixia (methyl aminolevulinate 16.8%) – which is left on the skin and a...
Patient Education Resources
Botox® (botulinum toxin type A) is a medication that is primarily used to temporarily paralyze specific muscles in the face and body.It is most often used to improve the appearance of wrinkles and...
The cost of laser tattoo removal can vary depending on several factors such as the size, location, and color of the tattoo, as well as the number of treatments required to remove it. The cost can also...
The best sunscreens are those that provide broad-spectrum protection, which means they protect against both ultraviolet A (UVA) and ultraviolet B (UVB) rays. They should also have an SPF (sun protecti...
Acne scars can be treated with a variety of methods, including:Topical treatments: Topical creams and gels containing ingredients such as retinoids, hydroquinone, and vitamin C can help to reduce the ...
Facial rejuvenation refers to a variety of cosmetic treatments that are designed to improve the appearance of the face and make it look more youthful. These treatments can include a combination of non...
Education & Training
- Dermatology Residency: University of North Carolina Hospitals (UNC at Chapel Hill)
- Medical Internship: Naval Medical Center
- Medical School: Tufts University School of Medicine
Professional Affiliations
Knott Street Dermatology

Knott Street Dermatology provides quality skin, hair, and nail care incorporating current medical and surgical practices for optimal dermatological health.
With a primary focus on treating skin cancer, we offer Mohs Surgery and an in-house pathology laboratory.
Knott Street Dermatology also has an aesthetic department offering a full array of cosmetic procedures.
Our providers accept most insurance carriers, and are available in two locations to treat all of your skin, hair, and nail needs.