
Dr. Peter Ehrnstrom, MD
Physician
Dermatology
Specialty
Mohs Surgery
About Dr. Peter Ehrnstrom, MD
Peter Ehrnsrom, MD is a board-certified Anchorage dermatologist and Mohs surgeon providing care to patients from throughout Alaska.
Dr. Ehrnstrom specializes in Mohs Surgery for the treatment of skin cancer.
He also focuses telemedicine and telehealth programs to deliver care throughout the state.
Procedures & Services
Patient Education Resources
Can I switch the biologic medications I’m using to treat my psoriasis?
Yes, you can switch biologic medications for psoriasis if one is not working effectively. Biologic medications are a class of drugs that target specific parts of the immune system that are involved in...
Yes, you can switch biologic medications for psoriasis if one is not working effectively. Biologic medications are a class of drugs that target specific parts of the immune system that are involved in...
How can a dermatologist make me appear more youthful?
A dermatologist can make you appear more youthful by using a variety of treatments, such as:Topical creams and serums that contain ingredients like retinoids and hyaluronic acid to improve skin textur...
A dermatologist can make you appear more youthful by using a variety of treatments, such as:Topical creams and serums that contain ingredients like retinoids and hyaluronic acid to improve skin textur...
How do biologics work to treat my psoriasis?
Biologics are a class of medications that are used to treat moderate to severe psoriasis. They are typically used when other treatments, such as topical creams and light therapy, have not been effecti...
Biologics are a class of medications that are used to treat moderate to severe psoriasis. They are typically used when other treatments, such as topical creams and light therapy, have not been effecti...
How do I find out if I have skin cancer?
The best way to find out if you have skin cancer is to have a skin examination performed by a healthcare professional such as a dermatologist. They will visually inspect your skin for any suspicious m...
The best way to find out if you have skin cancer is to have a skin examination performed by a healthcare professional such as a dermatologist. They will visually inspect your skin for any suspicious m...
If I have psoriasis, am I likely to get arthritis?
Psoriasis is a chronic skin condition that causes red, scaly patches on the skin. It affects about 2-3% of the population. People with psoriasis are at an increased risk of developing a form of arthri...
Psoriasis is a chronic skin condition that causes red, scaly patches on the skin. It affects about 2-3% of the population. People with psoriasis are at an increased risk of developing a form of arthri...
Education & Training
Dr. Ehrnstrom was born in Michigan and educated at the University of Michigan and Cornell University Medical College. He did his internship in internal medicine at the University of Pennsylvania and his residency in dermatology at Yale University.
The U.S. Air Force brought him to Alaska and he decided to stay after serving here for nine years.
The U.S. Air Force brought him to Alaska and he decided to stay after serving here for nine years.
Professional Affiliations
Alaska Center for Dermatology

To help fill Alaska’s need for a cutting-edge, comprehensive clinic offering both medical and cosmetic dermatology, Dr. Peter Ehrnstrom opened the Alaska Center for Dermatology in Anchorage, Alaska, in 2003. Since then, he has worked to bring some of the area’s brightest dermatologists and other dermatology professionals to his practice. Today, the Alaska Center for Dermatology is home to six medical doctors and two physician assistants as well as a friendly support staff. Together we offer a full range of dermatology services for people of all ages.