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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).

Patient Reviews

Patient comments (12)

The overall average patient rating of Dr. John Overholt is Good. Dr. Overholt has been reviewed by 20 patients who have provided 12 comments. The rating is 3.5 out of 5 stars.

Patient Ratings
Ease of Appointment 3.6
Promptness 4.1
Courteous Staff 3.8
Accurate Diagnosis 3.4
Bedside Manner 3.2
Spends Time with Me 3.3
Follows Up After Visit 3.5

Specialties & Research

Dr. John Overholt, MD is board certified in Allergy & Immunology.

  • He has special expertise in 4 areas:
  • Asthma
  • Hay Fever (Seasonal Allergic Rhinitis)
  • Immunotherapy
  • Nasal Allergy (Rhinitis)

Education & Awards

Dr. Overholt graduated from University of Tennessee, Memphis.


Dr. Overholt has 15 hospital affiliations:

  • Vanderbilt University Hospital 
  • Skyline Medical Center 


  • English

> > > > Dr. John Overholt, MD

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Additional Information
Dr. John Patrick Overholt MD is a male Allergist & Immunologist, has 16 years of experience and practices in Allergy & Immunology.
Where does Dr. John P. Overholt practice?
Dr. John Overholt has 10 office locations.
Dr. John Overholt practices Allergy & Immunology near Hendersonville, TN.
Additional practice locations include: Columbia, TN and Nashville, TN.
See Hendersonville Allergists.