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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 (6)

The overall average patient rating of Dr. Mark Miller is Good. Dr. Miller has been reviewed by 22 patients who have provided 6 comments. The rating is 4 out of 5 stars.

Patient Ratings
Ease of Appointment 4.1
Promptness 3.9
Courteous Staff 4.2
Accurate Diagnosis 4.3
Bedside Manner 4.6
Spends Time with Me 4.3
Follows Up After Visit 4.3

Specialties & Research

Dr. Mark Miller, MD is board certified in Internal Medicine and Gastroenterology.

  • He has special expertise in 5 areas:
  • Acid Reflux Disease (Gastroesophageal Reflux / GERD)
  • Constipation
  • Hepatitis C
  • Irritable Bowel Syndrome (IBS)
  • Ulcerative Colitis

Education & Awards

Dr. Miller graduated from University of Oklahoma , Oklahoma City. He has 5 awards.

Best Doctors in Dallas, 2004, 2005, D Magazine
"Super Doctors", 2006, Texas Monthly
Preceptor of the Year, 1998, 2009, Baylor Family Medicine Residency Program
Patients' Choice Award (2011)
Compassionate Doctor Recognition (2015)


Dr. Miller has 13 hospital affiliations:

  • Baylor University Medical Center 
  • Children's Medical Center of Dallas 

> > > > Dr. Mark Miller, MD

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Additional Information
Dr. Mark Raymond Miller MD is a male Internist, has 23 years of experience and practices in Internal Medicine and Gastroenterology.
Where does Dr. Mark R. Miller practice?
Dr. Mark Miller has 1 office location.
Dr. Mark Miller practices Internal Medicine and Gastroenterology near Rockwall, TX.
See Rockwall Internists and Rockwall Gastroenterologists.