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Oncology Specialist (cancer)
43 years of experience
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. Charles Haas:

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  1. Qualifications
  2. What's important to you

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Patient Reviews

Patient comments (1)

The overall average patient rating of Dr. Charles Haas is Good. Dr. Haas has been reviewed by 3 patients who have provided 1 comments. The rating is 3.5 out of 5 stars.

Patient Ratings
Ease of Appointment 4.1
Promptness 4.3
Courteous Staff 3.2
Accurate Diagnosis 3.7
Bedside Manner 4.6
Spends Time with Me 4.6
Follows Up After Visit 3.7

Specialties & Research

  • He has special expertise in 5 areas:
  • Adult T-Cell Leukemia-Lymphoma
  • Cancer
  • Gastrointestinal Cancer
  • Lung Cancer
  • Urogenital Cancer (Genitourinary)

Education & Awards

Dr. Haas graduated from University of Kansas , Kansas City.


Dr. Haas has 13 hospital affiliations:

  • East Texas Medical Center-Carthage 
  • East Texas Medical Center-Gilmer 


  • Spanish

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Additional Information
Dr. Charles Haas MD is a male Oncologist , has 43 years of experience and practices in Medical Oncology.
Where does Dr. Charles Haas practice?
Dr. Charles Haas has 1 office location.
Dr. Charles Haas practices Medical Oncology near Tyler, TX.
See Tyler Oncologists.