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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).

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Specialties & Research

Dr. Walter Klein, MD is board certified in Anatomic Pathology & Clinical Pathology and Pathology - Dermatopathology.

Education & Awards

Dr. Klein graduated from University of Pennsylvania , Philadelphia. He has 2 awards.

Gastrointestinal Pathology Society; Best Presentation by a Residnet in Gastrointestinal Pathology Runner Up; United States and Canadian Academy of Pathology; Atlanta, GA; March, 2001
American Academy of Dermatopathology, Third Place; Duel in Dermatopathology; Chicago, IL; October, 2003


Dr. Klein has 10 hospital affiliations:

  • Main Line Hospital - Bryn Mawr 
  • Bryn Mawr Rehabilitation Hospital 


  • Spanish

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Additional Information
Dr. Walter Martin Klein MD is a male Dermapathologist, has 11 years of experience and practices in Pathology, Dermatopathology, Anatomic Pathology & Clinical Pathology, Clinical Pathology, and Dermatopathology.
Where does Dr. Walter M. Klein practice?
Dr. Walter Klein has 5 office locations.
Dr. Walter Klein practices Pathology, Dermatopathology, Anatomic Pathology & Clinical Pathology, Clinical Pathology, and Dermatopathology near Wynnewood, PA.
Additional practice locations include: Bryn Mawr, PA and Harrington Park, NJ.
See Wynnewood Pathologists and Wynnewood Dermatologists.