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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 (12)

The overall average patient rating of Dr. John Treer is Good. Dr. Treer has been reviewed by 33 patients who have provided 12 comments. The rating is 3.5 out of 5 stars.

Patient Ratings
Ease of Appointment 3.7
Promptness 3.0
Courteous Staff 3.5
Accurate Diagnosis 3.8
Bedside Manner 3.8
Spends Time with Me 3.6
Follows Up After Visit 3.3

Specialties & Research

Dr. John Treer, MD is board certified in Internal Medicine.

Education & Awards

Dr. Treer graduated from The University of Texas Southwestern, Dallas. He has 2 awards.

Bridges to Excellence Recognition
Diabetes Care Recognition (2015 - 2017)
Level I
Cardiac Care Recognition (2015 - 2017)
Level II


Dr. Treer has 23 hospital affiliations:

  • Harris Methodist H E B 
  • Texas Health Presbyterian Hospital Plano 


  • English

> > > > Dr. John Treer, MD

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Additional Information
Dr. John Robert Treer MD is a male Internist, has 15 years of experience and practices in Internal Medicine.
Where does Dr. John R. Treer practice?
Dr. John Treer has 1 office location.
Dr. John Treer practices Internal Medicine near Frisco, TX.
See Frisco Internists.