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Profile: John C. Shershow, M.D.

240 Central Park South
Suite 2H
New York, NY 10019
Phone: (800) 388-9299
Fax: (646) 514-7195

Dr. Shershow is a nationally known expert in all aspects of hospital administration, staffing, and quality of care, as well as JCAHO accreditation, hospital care standards, medical staff affairs, physician credentialing, and medical quality assessment and review. He has nearly 20 years of experience as a senior hospital executive in both academic and private settings. He has been Medical Director of two prestigious hospitals and an Associate Dean of a nationally known medical school. He has surveyed or consulted to hundreds of hospitals, both as an accreditation surveyor for JCAHO, and as a private consultant for hospitals nationwide. Earlier in his career, Dr. Shershow was in private medical practice for many years. He is Board Certified, and was educated at Harvard, Yale, and the University of Southern California.



  • Residency, Yale University, 1969-1970
  • Residency, University of Southern California, 1967-1999
  • M.D., University of Southern California, 1966
  • B.A. (Magna cum Laude), Harvard College, 1962

Certification and Licensure:

  • National Board of Medical Examiners, 1967
  • Board Certified, 1972
  • Past Licensure: California, Massachusetts, New Hampshire
  • Current Licensure: New Jersey, New York

Professional Experience:

  • Joint Commission on Accreditation of Healthcare Organizations (JCAHO) – Surveyor and Senior Teaching Faculty for the pre-eminent hospital accreditation organization, 1989-2003
  • Performance Improvement Company – Founder and President to this national hospital consultation company, 1991-present
  • Northwest Covenant Medical Center – Medical Director for one of New Jersey’s leading hospitals, 1995-1996
  • Downstate Medical School – Associate Dean and Associate Provost of one of the largest medical schools in the nation, 1992-1995
  • Kings County Hospital – Medical Director for one of the nation’s largest hospitals, 1992-1995
  • John C. Shershow, M.D. and Associates, Inc. – Founder and President of one of Massachusetts larger private medical groups, 1977-1989
  • Hampstead Hospital – Medical Director of a prestigious New England Hospital, 1976-1977
  • Harvard Medical School – Instructor in the Faculty of Medicine, 1970-2002
  • Massachusetts General Hospital – Director of a major inpatient service, 1973-1977
  • United State Army Research Institute of Environmental Medicine – Senior Medical Corps Officer at one of the nation’s largest military research laboratories, 1970-1973

Academic Appointments:

  • Clinical Instructor, Harvard Medical School, 1970-2002
  • Assistant Professor, Downstate Medical School, 1992-1995
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Area(s) of Expertise

  • Hospital Administration & Procedures
  • Health Care Policy & Procedures
  • Health Care Regulations
  • Hospital Administration & Procedures
  • Hospital Records
  • JCAHO Standards
  • Managed Care
  • Medical Care Standards of Care
  • Medical Chart Review
  • Medical Credentialing
  • Medical Ethics
  • Medical Liability
  • Medical Malpractice
  • Medical Practice Guidelines
  • Medical Quality Assurance
  • Medical Staff Affairs
  • Patient Rights
  • Peer Review
  • Physician Licensing
  • Psychiatric Hospital Administration & Procedures
  • Quality Assurance
  • Quality of Care & Risk Management
  • Regulatory Issues
  • Risk Management