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.



Medical staff | Knott Street Dermatology | Skin Care Center | Portland Oregon


Hanson certified | Knott Street Dermatology | Skin Care Center | Portland Oregon

Dr. Eric L. Hanson earned his undergraduate degree from the University of Illinois. He received his medical degree in 1994 from Tufts University School of Medicine in Boston, MA, graduating with the distinction of Alpha Omega Alpha. He then completed a transitional internship at the Naval Medical Center in San Diego, CA, followed by a four-year military commitment with the US Navy in Groton, CT as an Undersea Medical Officer. While serving the diving and submariner community, CDR 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.

Dr. Hanson completed his dermatology residency at the University of North Carolina at Chapel Hill where he was named Chief Resident in 2002.

Dr. Hanson is a board certified dermatologist and is actively affiliated with the American Board of Dermatology, American Academy of Dermatology, and the American Society of Mohs Surgeons. He is board-certified by the American Board of Dermatology in Mohs Micrographic Dermatologic Surgery. Dr. Hanson commutes to work on foot or by bicycle. He enjoys playing the guitar and brewing his own beer.

Knott Street Dermatology doctor

Kit Sandstrom, NP

Katherine (Kit) Sandstrom graduated from the Honors Program at the University of Wisconsin- Madison with her BA in History of Science.  While working for the Wisconsin Department of Veterans Affairs on veteran healthcare issues, she discovered her calling as a healthcare provider.

She went on to receive her Bachelor of Nursing degree from Johns Hopkins University.  She completed her master’s in the Family Nurse Practitioner Program at the University of Pennsylvania while working full time as a nurse on an adult medical floor at the Hospital of the University of Pennsylvania.  She was inducted into the Sigma Theta Tau International Honor Society.

Kit worked in primary care and urgent care for over 10 years prior to joining Knott Street Dermatology and received extensive training under Dr Hanson. 

Outside of work, Kit enjoys spending time with her husband, two young daughters, and dog. They enjoy hiking, reading, and cheering on the Portland Thorns soccer players. 

Medical staff | Knott Street Dermatology | Skin Care Center | Portland Oregon


Craig Schultz graduated from the University of North Dakota with a Bachelor of Science in Nursing, and went on to spend 5 years working in emergency departments throughout central Washington and the Portland/Vancouver area. He furthered his education by receiving his Masters in Nursing, with an emphasis in Family Medicine, from Washington State University in 2001. Craig Schultz has worked for Kaiser Permanente in Internal Medicine and Urgent Care, and as a same-day clinician at the Vancouver Clinic. He joined Knott Street Dermatology in 2007, and has had extensive training and mentorship by Dr. Eric Hanson.

Craig Schultz is a board certified member of the American Academy of Nurse Practitioners, a Certified Dermatology Nurse Practitioner, as well as an affiliate of the Dermatology Nurses Association.

Craig is an avid bicycle commuter, and enjoys spending his free time with his wife Michelle and their two children.

Docotr of Dermatology in Portland Dr. Krista Larson


Larson Certified | Knott Street Dermatology | Skin Care Center | Portland Oregon

Dr. Krista N. Larson is a Board Certified general, surgical and cosmetic dermatologist. Originally from Miami, FL, she earned her undergraduate degree from the University of Florida with a double major in biology and neurobiological sciences. She received her medical degree in 2016 from the University of Virginia School of Medicine in Charlottesville, VA. She then completed her internal medicine internship at the University of Florida Shands Hospital in Gainesville, FL. Dr. Larson completed her dermatology residency at West Virginia University in Morgantown, WV, where she was named Chief Resident in 2019.

Dr Larson is actively affiliated with the American Academy of Dermatology (AAD), the American Society of Dermatologic Surgery (ASDS) and the American Society of Mohs Surgeons (ASMS). She is a certified translator in Spanish and is board certified by the American Board of Dermatology in Mohs Micrographic Dermatologic Surgery. When not seeing patients, Dr. Larson enjoys traveling, yoga, hiking, and spending time with her family and friends.

Katie Conklin, NP

Katie Conklin, NP

Nurse Practitioner specializing in Dermatology. 


Alicia McCarthy, ND
Cosmetic & Aesthetic Provider

Dr. Alicia McCarthy earned her Bachelor of Science in Kinesiology degree from California State University of Fullerton in 2008 and her Naturopathic Medical degree in 2017 from National University of Natural Medicine in Portland, OR. The twelve years Dr. McCarthy spent working in emergency medicine as an EMT set the foundation for the provider she is today. She now specializes in aesthetic medicine, dedicating her continuing education and practice to staying current on the latest techniques and products. Dr. McCarthy believes in aging gracefully. She takes the time to sit down with each patient and find out what this means for them.

Prior to joining Knott Street Dermatology, Dr. McCarthy had her own practice in Lake Oswego focused on aesthetic medicine, hormone balancing, thyroid conditions, and IV medicine.

Originally from Southern California, Dr. McCarthy has lived in Portland for the last eleven years. When she is not working Dr. McCarthy stays busy with her two young kids, husky pup, and husband. They enjoy spending time outside, camping, swimming, and playing at the park.


KSD team | Knott Street Dermatology | Skin Care Center | Portland Oregon
clinical staff | Knott Street Dermatology | Best Dermatologist | Portland Oregon


Our clinical staff consists of Nurses and Certified Medical Assistants whose main role is to ensure optimal patient care and smooth coordination between patients and providers. All of our Clinical Staff receive the highest training and certification and are well equipped to assist you.

clinical staff | Knott Street Dermatology | Best Dermatologist | Portland Oregon


Our administrative staff perform a variety of duties such as front desk reception, scheduling, insurance verification, bookkeeping and other tasks necessary for great patient care.



At Knott Street Dermatology, our Aesthetic department is lead by an incredible team of professionals. Their goal is to provide you with a comfortable atmosphere for all of your aesthetic needs helping you achieve a natural, youthful appearance.


Mohs micrographic surgery is a specialized, highly effective technique for the removal of skin cancer. The procedure was developed in the 1930s by Dr. Frederic Mohs and is now practiced throughout the world. Unlike other skin cancer treatments, Mohs surgery allows tissue to be removed in stages and examined under the microscope to facilitate clearance of abnormal cells while you wait. Due to the methodical manner in which the tissue is extracted and examined, Mohs surgery is recognized as the skin cancer treatment with the highest reported cure rate.

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