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).
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The overall average patient rating of Dr. John Barrett is Excellent.
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Specialties & Research
Dr. John Barrett, MD is board certified in Family Medicine.
Education & Awards
Dr. Barrett graduated from Temple University Physicians, Philadelphia. He has 2 awards.
Dr. Barrett has 5 hospital affiliations:
- Saint Clair Memorial Hospital
- Jefferson Hospital
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- Additional Information
- Dr. John Lloyd Barrett MD is a male Family Practitioner, has 29 years of experience and practices in Family Medicine.
- Where does Dr. John L. Barrett practice?
- Dr. John Barrett has 1 office location.
Dr. John Barrett practices Family Medicine near Canonsburg, PA.
See Canonsburg Primary Care Doctors.