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Dr. Walen is on Doximity

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Education & Training

  • University of Maryland
    University of MarylandResidency, Internal Medicine, 1971 - 1972
  • Sinai Hospital of Baltimore
    Sinai Hospital of BaltimoreResidency, Internal Medicine, 1965 - 1971
  • George Washington University School of Medicine and Health Sciences
    George Washington University School of Medicine and Health SciencesClass of 1965

Certifications & Licensure

  • MD State Medical License
    MD State Medical License 1971 - 2017

Publications & Presentations

PubMed

Hospital Affiliations