Highlights
Age Groups Seen
- Adults
- Geriatrics
Languages
- English
Gender
FemaleLocations
- Brigham and Women's Dermatology Associates
- 221 Longwood Avenue, Floor 1, Boston, MA 02115
- Get Directions
- phone: 617-732-4918
- fax: 617-582-6060
Expertise
Education
- Residency: Harvard Combined Training Programs, Dermatology, 2023
- Internship: University of Colorado Health, Internal Medicine, 2020
- Medical Education: University of Wisconsin, 2019
Board Certifications
- Dermatology: American Board of Dermatology, 2023
Insurance
- Aetna
- Beech Street
- Blue Cross Blue Shield
- Blue Cross Blue Shield Medicare
- Cigna
- Commonwealth Care Alliance
- Coventry
- Fallon Health
- Harvard Pilgrim Health Care
- Humana
- Mass General Brigham Health Plan
- MassHealth
- Medicare
- Multiplan
- Railroad Medicare
- Senior Whole Health
- TriCare
- Tufts Health Plan
- Tufts Medicare Preferred
- United Health Care
- Wellpoint
- WellSense
Ratings & Reviews
4.9 out of 5
47 ratings, 19 reviewsThe Patient Satisfaction Rating is an average of all responses to the care provider related questions shown below from our survey. Patients that are treated in outpatient or hospital environments may receive different surveys, and the volume of responses will vary by question.
- Reviewed on 3/5/2026
Ern is very professional and has been very helpful in my transition and my illness.
- Reviewed on 3/4/2026
Very kind and professional staff, many thanks.
- Reviewed on 2/25/2026
The service is great. [redacted]
- Reviewed on 2/2/2026
The doctor is great, professional, and expertise in medicine evaluation and prescription,skin examination and treatment, arrangement of the lab,and future treatment
- Reviewed on 2/2/2026
She was very attentive and personable easy to speak with and ask questions about my visit.
- Reviewed on 1/27/2026
Dr Theisen was very helpful and communicated clearly. She also listened carefully to my concerns and was quick to recommend a solution.
- Reviewed on 1/19/2026
It was my first visit and the care provider was very compassion and discussed about my situation, etc
- Reviewed on 9/4/2025
Every experience with this provider has been a positive experience. She is great!
- Reviewed on 8/11/2025
great doctors, nurses, and staff
- Reviewed on 8/7/2025
My provider, Dr. Theisen, is an excellent physician. She listens very well. She doesn't rush me at all. She answered all questions very clearly and with good knowledge. And I appreciate her and would recommend her to anyone looking for an excellent dermatologist.
- Reviewed on 8/4/2025
Dr. Theisen is professional, pleasant, very thorough and caring. She is 100 percent present, listens and is concerned about long care health. Dr . Theisen is an excellent doctor. I am fortunate to have her as part of my care team.
- Reviewed on 7/29/2025
Resident communicative as he performed the body scan. He explained what he was looking for and educated me about what to look for if I noticed skin lesions before my next visit.
- Reviewed on 7/5/2025
Very knowledgeable.
- Reviewed on 7/2/2025
Personable, knowledgeable, felt completely comfortable in her care.
- Reviewed on 6/19/2025
Dr. Theisen was thorough and kind. She addressed my concerns about three different areas. She biopsied one area and explained everything she did and why. I would highly recommend her.
- Reviewed on 6/18/2025
She was GREAT! I loved her.
- Reviewed on 6/12/2025
I liked this Doctor very much she made me feel very comfortable
- Reviewed on 5/28/2025
Dr. Theisen was the best. She diagnosed the rash I had immediately and prescribed treatment and told me exactly what I needed to do to help clear it up. I am very grateful to her for her help.
- Reviewed on 5/8/2025
Very happy with Dr. Theisen. Very happy I went to see her as it turns out I did have something that needed to be treated.