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14 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).

Patient Reviews

Patient comments (9)

The overall average patient rating of Dr. John Treer is Good. Dr. Treer has been reviewed by 23 patients who have provided 9 comments. The rating is 3.5 out of 5 stars.

Patient Ratings
Ease of Appointment 3.5
Promptness 3.0
Courteous Staff 3.3
Accurate Diagnosis 3.7
Bedside Manner 3.8
Spends Time with Me 3.7
Follows Up After Visit 3.2

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 14 years of experience and practices in Internal Medicine.
Where does Dr. John R. Treer practice?
Dr. John Treer has 3 office locations.
Dr. John Treer practices Internal Medicine near Frisco, TX.
Additional practice locations include: Fort Worth, TX and McKinney, TX.
See Frisco Internists.