Browse Health
Emergency Physician
19 years of experience
License & Identifications

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).

Learn more about Dr. Mary Laniewski:

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Specialties & Research

Dr. Mary Laniewski, DO is board certified in Emergency Medicine.

Education & Awards

Dr. Laniewski graduated from Philadelphia College of Osteopathic Medicine.


Dr. Laniewski has 3 hospital affiliations:

  • Memorial Hospital The 
  • York Hospital 
  • Stephens Memorial Hospital 

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Additional Information
Dr. Mary Jo Ann Laniewski DO is a female Emergency Medicine Specialist, has 19 years of experience and practices in Emergency Medicine.
Where does Dr. Mary J. Laniewski practice?
Dr. Mary Laniewski has 2 office locations.
Dr. Mary Laniewski practices Emergency Medicine near North Conway, NH.
Additional practice locations include: Norway, ME.
See North Conway Emergency Physicians.