Olaf J. Rustad M.D., Board Certified Dermatologist

Dr. O.J. Rustad received his college education at St. Olaf College. He attended Medical School at the University of Minnesota, finishing his medical degree in 1985 and his Dermatology training and Board Certification in 1989.

He was selected for an additional year of surgical experience in a Dermatology Surgical Fellowship at the University of Minnesota in 1990.

He founded Advanced Dermatology Care (ADC) in 1993. Dr. O.J. Rustad has written several articles published in medical journals, been a guest discussing dermatological conditions on both television and radio, and lectures to practicing physicians.

He has helped educate dermatology, family practice, and internal medicine resident physicians and is a Clinical Assistant Professor at the University of Minnesota. He has frequently been named one of the Mpls. /St. Paul Magazine’s Top Docs in Dermatology.

Dr. Rustad has performed well over 7,000 Mohs surgeries, including their necessary reconstructions. He and his staff enjoy providing this service for our patients as well as for the patients of other referring health care providers, and believe this is a great asset to our community from our practice.

Ruth Rustad M.D., Internal Medicine Physician – Specializing in Dermatology

RuthRustadDr. Ruth Rustad is the Medical Director of Advanced Esthetics Med Spa (AEMS), ADC’s Cosmetic Services division,
and also practices Primary Care Dermatology at ADC.

She completed her undergraduate degrees at the College of St. Catherine. She attended and graduated from the University of Minnesota Medical school, completed her Internal Medicine residency at Abbott northwestern hospital, and was Board Certified in Internal Medicine in 1998-2008.

After previously practicing at St. Paul Internists, PA., she completed a three year Dermatology Preceptorship, and now practices Primary Care Dermatology at ADC, presenting a general medical approach to dermatology problems. Her approach in medical esthetics incorporates a great understanding of the medical dermatologic factors involved in cosmetic dermatology, and includes thorough, comprehensive training of the entire AEMS Cosmetic Care Specialists in order to provide trusted, evidence-based, proven and effective cosmetic dermatology services to improve the health and appearance of the skin.

Her medical dermatology special interests are in Acne, Rosacea, and sundamaged skin and skin cancers, especially in treating, prevention and correction of the skin health factors that lead to these problems. Her cosmetic dermatology special interests are Botox, and replacing aging’s lost volume with carefully selected dermal filler placements, regaining one’s natural youthful look.

Outside of work, Dr. Ruth together with her husband, Dr. O.J. Rustad, enjoy their three children, as well as gardening and reading.


Physician Assistants – Specializing in Dermatology

Physician Assistants (PAs) are healthcare providers licensed to practice medicine with physician supervision. They perform physical examinations and take patient histories, diagnose and treat illnesses, order and interpret laboratory tests, assist and/or perform in surgery, provide patient education and counseling, and write prescriptions. PAs are qualified by graduation from an accredited physician associate educational program and certified by the National Commission on Certification of PAs. PAs work in all areas of medicine from family medicine to surgical sub-specialties, and are a valued member of the ADC team.


Eliza Abraham, PA-C, received her Bachelor’s degree in Global Health Policy from the University of St. Thomas in St. Paul, MN. After an intensive internship in Tallahassee, FL working in dermatology, Eliza attended the University of Maryland Baltimore/AACC collaborative physician assistant program. She graduated with a Masters of Science-Health Science, PA degree with honors, including the 2022 President’s Award for leadership, and a Certificate of Appreciation for her involvement in the University of Maryland Baltimore’s COVID-19 vaccination effort.
Eliza looks forward to providing thoughtful, empathetic, and individualized care to the communities served by Advanced Dermatology Care. She is passionate about dermatology, and committed to providing a safe space for dermatologic medical care for all of her patients.
In her free time, Eliza enjoys playing hockey, spending time with family and friends, and going on walks with her dog, Walter.


Brooke Elvehjem, PA-C, received her Bachelor of Arts degree at The College of St. Scholastica in Duluth, MN. She then moved to the Twin Cities to complete her Masters in Physician Assistant Studies at Bethel University. Brooke is a member of the American Academy of Physician Assistants. One thing Brooke looks forward to most while working at Advanced Dermatology Care is forming long-term trusting relationships with her patients and making their needs feel heard. Brooke will work with patients in every walk of life to provide both medical and cosmetic dermatology care. Brooke enjoys enhancing natural beauty that she believes all people have, and wants her patients to feel confident in their skin.

Outside of work, Brooke spends time exercising, catching up with friends and family, doing various outside activities (hiking, biking, kayaking) year-round, and visiting all the metro off-leash dog parks with her sweet dog, Coco.

Fun fact: Brooke’s last name is pronounced “El-vah-gem”.


Erika Grinde, PA-C, received her Bachelor’s degree from Concordia College in Moorhead, MN. At Concordia, she majored in biology, minored in chemistry and psychology, and was a 4-year student athlete and captain of the women’s soccer team. She then attended St. Catherine University where she received her Master’s degree in Physician Assistant Studies. She joins Advanced Dermatology Care with prior experience in primary care/internal medicine. In addition, she is a member of the American Academy of Physician Assistants, Minnesota Academy of Physician Assistants, and the Society of Dermatology Physician Assistants. Erika finds interest in medical, surgical, and cosmetic dermatology. She looks forward to working with patients of all ages, and creating a safe space where her patients feel welcome. She is passionate about dermatology, because of the impact it can have on patients’ physical and mental well-being.

In her free time, Erika enjoys traveling, exploring new hiking trails, and trying new cuisines at local restaurants. She also enjoys going to Minnesota sporting games with friends and family.

Abigail Lange, PA-C, received her Bachelor of Arts degree in Human Physiology with a minor in Spanish from the University of Minnesota Twin Cities. While there, she also competed for the university’s Cross Country and Track & Field team, where she served as captain in her final year. She then attended Des Moines University in Iowa to complete her Masters in Physician Assistant Studies.

Abigail looks forward to getting to know her patients at Advanced Dermatology Care by building relationships, so she can provide individualized care in a welcoming environment. She enjoys working alongside patients of all ages and backgrounds, and is passionate about helping them feel confident.

Outside of work, Abigail enjoys finding new ways to stay active, traveling with her fiancé, cooking meals with family, or reading a good book in the outdoors.


Medical Staff          Cosmetic Staff          Support Staff         Business Office


Excellence in Dermatology Care for All Ages.