John L Halloran MD
- Dermatology Seattle, WA
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John L Halloran, MD is a Doctor primarily located in Seattle, WA. Their specialties include Dermatology. John L Halloran is affiliated with Harborview Medical Center.
Specialties & Expertise
John L Halloran has the following 1 specialty.
The facts about metastatic melanoma, a serious skin cancer, including signs, symptoms & what happens to the body in each stage of cancer.