Marcia Tonnesen, MD

Dermatologist

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About Marcia Tonnesen, MD

Dr. Marcia Tonnesen is a board-certified dermatologist and tenured professor with Stony Brook Medicine in East Setauket, New York. She directs the phototherapy service, treating conditions such as psoriasis, vitiligo, chronic itching, and cutaneous T-cell lymphoma.

Qualifications and Memberships

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Education
- Medical degree, University of Utah
- Dermatology residency, Harvard
Professional Memberships
- Board-certified in dermatology