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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).

Learn more about Dr. Jonathan Jahr:

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Specialties & Research

Dr. Jonathan Jahr, MD is board certified in Anesthesiology.

  • He has special expertise in 5 areas:
  • Cardiopulmonary Bypass (CPB)
  • Hemorrhagic Shock
  • Hypotension
  • Intraoperative Complications
  • Postoperative Pain

Education & Awards

Dr. Jahr graduated from New York Medical College, Valhalla.


Dr. Jahr has 7 hospital affiliations:

  • UCLA Medical Center 
  • Santa Monica - UCLA Medical Center 


  • Korean
  • Spanish
  • English

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Additional Information
Dr. Jonathan Spencer Jahr MD is a male Anesthesiologist, has 27 years of experience and practices in Anesthesiology.
Where does Dr. Jonathan S. Jahr practice?
Dr. Jonathan Jahr has 1 office location.
Dr. Jonathan Jahr practices Anesthesiology near Los Angeles, CA.
See Los Angeles Anesthesiologists.