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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).

Learn more about Dr. Teresa Rajala:

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Specialties & Research

Dr. Teresa Rajala, MD is board certified in Internal Medicine.

Education & Awards

Dr. Rajala graduated from The University of Texas at San Antonio.


Dr. Rajala has 3 hospital affiliations:

  • North Central Medical Center 
  • North Central Medical Center - West Park Campus 
  • Medical Center Of Mckinney 


  • English

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Additional Information
Dr. Teresa Dewlett Rajala MD is a female Internist, has 28 years of experience and practices in Internal Medicine.
Where does Dr. Teresa D. Rajala practice?
Dr. Teresa Rajala has 2 office locations.
Dr. Teresa Rajala practices Internal Medicine near Allen, TX.
Additional practice locations include: Dallas, TX.
See Allen Internists.