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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. Samuel Klempner:

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Patient Reviews

Patient comments (0)

The overall average patient rating of Dr. Samuel Klempner, Internist is Excellent. Dr. Klempner has been reviewed by 1 patients who have provided 0 comments. The rating is 5 out of 5 stars.

Specialties & Research

  • He has special expertise in 8 areas:
  • Acute Myeloid Leukemia
  • Cancer
  • Chronic Myeloid Leukemia
  • Clinical Research
  • Esophagus Cancer (Esophogeal Neoplasm)
  • Leukemia
  • Lung Cancer
  • Multiple Myeloma (Cancer of Plasma Cells)

Education & Awards

Dr. Klempner graduated from University of Massachusetts, Worcester. He has 1 awards.

Holbrook Prize in Biology, 2003


Dr. Klempner has 1 hospital affiliations:

  • University of California, Irvine Medical Center 


  • English

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Additional Information
Dr. Samuel Jacob Klempner MD is a male Oncologist/Hematologist, has 4 years of experience and practices in Hematology & Oncology.
Where does Dr. Samuel J. Klempner practice?
Dr. Samuel Klempner has 1 office location.
Dr. Samuel Klempner practices Hematology & Oncology near Orange, CA.
See Orange Oncologists.