Nelhs Betancourt, MD, MPH, DABT, CHCQM, CIME

Irvine, California

General Specialty

Occupational Medicine

Specialty Focus

Disability Determinations
Expert Witness
Fit For Duty
Heart Disease
Impairment Causation
Independent Medical Examinations
Internal Medicine
Pre-existing vs Workplace Injury
Work Stress

Primary Areas of Expertise

Occupational Medicine and Toxicology

Board Certified by the American Board of Internal Medicine, the American Board of Toxicology, American Board of Independent Medical Evaluators, and American Board of Quality Assurance Utilization Review Physicians, Board Certified Physician Advisor, Medical Review Officer and certified in the use of the AMA Guides, for impairment determinations.

Dr. Betancourt has numerous years of experience performing Independent Medical Evaluations (IME) within the scope of his credentials. His in-depth knowledge of Internal Medicine, Occupational Medicine, Biochemistry and Toxicology, provide a solid framework to thoroughly investigate and determine causation and/or formulate recommendations, for return to work, FMLA issues, or long/short term disability benefits.

He has performed IMEs addressing Ehlers-Danlos, heart disease (chronic and acute), diabetes with complications, pulmonary disease, gastrointestinal disease, cancer, stroke, rheumatological disorders, Obstructive Sleep Apnea, return to work (with or without limitations/restrictions), long term and short term disability, FMLA, and Fit-for-Duty evaluations.


Licenses and Certifications:

  • State of CA Medical License
  • DEA License
  • Certified Medical Review Officer
  • CA State Certified Qualified Medical Evaluator
  • Certified Department of Transportation Medical Examiner
  • ACLS Certified



  • Medical College of Wisconsin
    MPH, Occupational Medicine
    1993 – 1998
  • Veterans’ Administration Hospital
    Specialty Internal Medicine, Internship and residency
    1985 – 1988
  • University of Puerto Rico School of Medicine
    MD, Medicine
    1981 – 1985
  • Universidad de Puerto Rico
    BA, BS, Art, Chemistry, Biochemistry
    1968 – 1981


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