A medical license is required for a doctor to practice medicine in a particular state. Requirements vary by state but most require, at a minimum, post-graduate training in the doctor’s specific specialty. An NPI number is a national identifier unique to an individual health care provider and is managed by the Center for Medicare & Medicaid Services (CMS).
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The overall average patient rating of Dr. Sarah Janssen is Poor.
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Specialties & Research
Dr. Sarah Janssen, MD, MPH, PHD is board certified in Occupational Medicine.
Education & Awards
Dr. Janssen graduated from University of Illinois at Chicago.
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- Additional Information
- Dr. Sarah Jo Janssen MD, MPH, and PHD is a female Preventative Medicine Specialist, has 10 years of experience and practices in Occupational Medicine.
- Where does Dr. Sarah J. Janssen practice?
- Dr. Sarah Janssen has 1 office location.
Dr. Sarah Janssen practices Occupational Medicine near San Francisco, CA.
See San Francisco Preventive Medicine Specialists.