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. John Herring:
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Specialties & Research
- He has special expertise in 1 area:
Education & Awards
Dr. Herring graduated from Drexel University , Philadelphia.
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- Additional Information
- Dr. John Alan Herring MD is a male Psychiatrist, has 43 years of experience and practices in Psychiatry.
- Where does Dr. John A. Herring practice?
- Dr. John Herring has 1 office location.
Dr. John Herring practices Psychiatry near Haverford, PA.
See Haverford Psychiatrists.