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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 (0)

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

Patient Ratings
Ease of Appointment 5.0
Promptness 4.0
Courteous Staff 4.0
Accurate Diagnosis 5.0
Bedside Manner 5.0
Spends Time with Me 5.0
Follows Up After Visit 5.0

Specialties & Research

Dr. David Haynie, MD is board certified in Internal Medicine and Cardiovascular Disease.

  • He has special expertise in 5 areas:
  • Acute Coronary Syndrome (ACS)
  • Heart Block
  • High Blood Pressure (Hypertension)
  • High Cholesterol (Hypercholesterolemia)
  • Unstable Angina

Education & Awards

Dr. Haynie graduated from The University of Texas at Houston. He has 3 awards.

Compassionate Doctor Recognition (2015)
Bridges to Excellence Recognition
Cardiac Care Recognition (2015 - 2017)
Level II
Physician Office Systems Recognition (2015 - 2017)
Level II


Dr. Haynie has 13 hospital affiliations:

  • Texas Health Harris Methodist Hospital Azle 
  • Texas Health Presbyterian Hospital Plano 


  • French
  • Armenian
  • Spanish

> > > > Dr. David Haynie, MD

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Additional Information
Dr. David P Haynie MD is a male Internist, has 29 years of experience and practices in Internal Medicine and Cardiovascular Disease.
Where does Dr. David P. Haynie practice?
Dr. David Haynie has 1 office location.
Dr. David Haynie practices Internal Medicine and Cardiovascular Disease near Lewisville, TX.
See Lewisville Internists and Lewisville Cardiologists.