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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).

Learn more about Dr. William McKay:

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Patient Reviews

Patient comments (1)

The overall average patient rating of Dr. William McKay is Average. Dr. McKay has been reviewed by 2 patients who have provided 1 comments. The rating is 3 out of 5 stars.

Patient Ratings
Ease of Appointment 1.0
Promptness 1.0
Courteous Staff 1.0
Accurate Diagnosis 1.0
Bedside Manner 1.0
Spends Time with Me 1.0
Follows Up After Visit 1.0

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Specialties & Research

Dr. William McKay, MD is board certified in Emergency Medicine.

Education & Awards

Dr. McKay graduated from University of New Mexico , Albuquerque.


  • Spanish

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Additional Information
Dr. William James McKay MD is a male Emergency Medicine Specialist, has 37 years of experience and practices in Emergency Medicine.
Where does Dr. William J. McKay practice?
Dr. William McKay has 3 office locations.
Dr. William McKay practices Emergency Medicine near San Antonio, TX.
Additional practice locations include: Marble Falls, TX and Cedar Park, TX.
See San Antonio Emergency Physicians.