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Internist, Hematology Specialist, Oncology Specialist (cancer)
18 years of experience
Video profile
Accepting new patients
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. Joseph Merchant:

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  1. Qualifications
  2. What's important to you

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Patient Reviews

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The overall average patient rating of Dr. Joseph Merchant is Excellent. Dr. Merchant has been reviewed by 2 patients who have provided 0 comments. The rating is 5 out of 5 stars.

Specialties & Research

Dr. Joseph Merchant, MD is board certified in Internal Medicine, Hematology, and Medical Oncology.

  • He has special expertise in 12 areas:
  • Acute Myeloid Leukemia
  • Anemia
  • Cancer
  • Chronic B-Cell Lymphocytic Leukemia
  • Chronic Myeloid Leukemia
  • Chronic Myelomonocytic Leukemia
  • Deep Vein Thrombosis
  • Hepatitis C
  • Leukemia
  • Lymphoma
  • Myelodysplastic Syndromes
  • Myeloproliferative Disorders

Education & Awards

Dr. Merchant graduated from University of Iowa, Iowa City.


Dr. Merchant has 9 hospital affiliations:

  • Boone County Hospital 
  • Mary Greeley Medical Center 


  • Spanish

> > > > Dr. Joseph Merchant, MD

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Additional Information
Dr. Joseph James Merchant MD is a male Internist, has 18 years of experience and practices in Internal Medicine, Hematology, and Medical Oncology.
Where does Dr. Joseph J. Merchant practice?
Dr. Joseph Merchant has 2 office locations.
Dr. Joseph Merchant practices Internal Medicine, Hematology, and Medical Oncology near Marshalltown, IA.
Additional practice locations include: Ames, IA.
See Marshalltown Internists, Marshalltown Hematologists, and Marshalltown Oncologists.