Dr. John Wesley Mercer MD is a male Emergency Medicine Specialist, has 13 years of experience and practices in Emergency Medicine and Family Medicine.
Dr. John Mercer has 3 office locations.
Health Texas Provider Network
600 Cooper Dr
Ste 100
Wylie, TX 75098

Phone Number
Locations and availability (3)
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

  • Currently 4 of 4 stars
Patient comments (2)

The overall average patient rating of Dr. John Mercer is Excellent. Dr. Mercer has been reviewed by 3 patients who have provided 2 comments. The rating is 4 out of 4 stars.

Patient Ratings
Ease of Appointment 4.0
  • Currently 4 of 4 stars
Promptness 4.0
  • Currently 4 of 4 stars
Courteous Staff 4.0
  • Currently 4 of 4 stars
Accurate Diagnosis 4.0
  • Currently 4 of 4 stars
Bedside Manner 4.0
  • Currently 4 of 4 stars
Spends Time with Me 4.0
  • Currently 4 of 4 stars
Follows Up After Visit 4.0
  • Currently 4 of 4 stars

Specialties & Research

Dr. John Mercer, MD is board certified in Family Medicine.

Education & Awards

Dr. Mercer graduated from Louisiana State University at New Orleans. He has 2 awards.

Bridges to Excellence Recognition
Diabetes Care Recognition (2013 - 2015)
Level III
Bridges to Excellence Medical Home Recognition (2011 - 2014)
Level III


Dr. Mercer has 10 hospital affiliations:

  • Baylor University Medical Center 
  • Baylor Medical Center At Irving 

Accepted Insurance Plans

Dr. Mercer accepts these health insurances in at least one office:

  • United Healthcare - 2 plans
  • Great-West Healthcare - 1 plan
  • Blue Cross Blue Shield of Texas - 2 plans
  • Scott and White Health Plan - 2 plans
  • Evercare - 1 plan
  • Humana - 2 plans
  • Cigna - 3 plans
  • Aetna - 3 plans
  • Medicare - 1 plan

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Additional Information
Where does Dr. John W. Mercer practice?
Dr. John Mercer practices Emergency Medicine and Family Medicine near Wylie, TX.
Additional practice locations include: Garland, TX.
See Wylie Emergency Physicians and Wylie Family Physicians.