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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 (7)

The overall average patient rating of Dr. Thomas Warren is Good. Dr. Warren has been reviewed by 17 patients who have provided 7 comments. The rating is 4 out of 5 stars.

Patient Ratings
Ease of Appointment 4.6
Promptness 4.2
Courteous Staff 4.5
Accurate Diagnosis 4.3
Bedside Manner 4.3
Spends Time with Me 4.3
Follows Up After Visit 4.3

Specialties & Research

Dr. Thomas Warren, MD is board certified in Medical Oncology.

  • He has special expertise in 4 areas:
  • Biological Therapy (Immunotherapy)
  • Cancer
  • Lymphoma
  • Multiple Myeloma (Cancer of Plasma Cells)

Education & Awards

Dr. Warren graduated from University of South Florida Health, Tampa. He has 3 awards.

Patients' Choice Award (2015)
Compassionate Doctor Recognition (2015)
On-Time Doctor Award (2015)


Dr. Warren has 9 hospital affiliations:

  • Mercy Medical Center 
  • Mercy Hospital 

> > > > Dr. Thomas Warren, MD

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Additional Information
Dr. Thomas L Warren MD is a male Oncologist , has 19 years of experience and practices in Medical Oncology.
Where does Dr. Thomas L. Warren practice?
Dr. Thomas Warren has 1 office location.
Dr. Thomas Warren practices Medical Oncology near Cedar Rapids, IA.
See Cedar Rapids Oncologists.