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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).

Patient Reviews

Patient comments (2)

The overall average patient rating of Dr. H Greene, Hematologist is Good. Dr. Greene has been reviewed by 7 patients who have provided 2 comments. The rating is 4 out of 5 stars.

Patient Ratings
Ease of Appointment 4.6
Promptness 3.0
Courteous Staff 5.0
Accurate Diagnosis 4.1
Bedside Manner 3.7
Spends Time with Me 4.1
Follows Up After Visit 4.1

Specialties & Research

Dr. H Greene, MD is board certified in Internal Medicine, Hematology, and Medical Oncology.

  • He has special expertise in 8 areas:
  • Acute Myeloid Leukemia
  • Cancer
  • Chronic Myeloid Leukemia
  • Chronic Myelomonocytic Leukemia
  • Deep Vein Thrombosis
  • Hepatitis C
  • Leukemia
  • Pain

Education & Awards

Dr. Greene graduated from University of California at Irvine. He has 3 awards.

Patients' Choice Award (2014)
America's Best Doctors *
LA's Best Doctors *


Dr. Greene has 4 hospital affiliations:

  • Joint Township District Memorial Hosp 
  • Lima Memorial Health System 


  • French
  • German
  • Spanish

> > > > Dr. H Greene, MD

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Additional Information
Dr. H Rex Greene MD is a male Internist, has 43 years of experience and practices in Internal Medicine, Hematology, and Medical Oncology.
Where does Dr. H R. Greene practice?
Dr. H Greene has 5 office locations.
Dr. H Greene practices Internal Medicine, Hematology, and Medical Oncology near Lima, OH.
Additional practice locations include: Manistique, MI and Escanaba, MI.
See Lima Internists, Lima Hematologists, and Lima Oncologists.