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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. John Dellorso:

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  1. Qualifications
  2. What's important to you

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Patient Reviews

Patient comments (3)

The overall average patient rating of Dr. John Dellorso is Excellent. Dr. Dellorso has been reviewed by 9 patients who have provided 3 comments. The rating is 4.5 out of 5 stars.

Patient Ratings
Ease of Appointment 4.7
Promptness 4.2
Courteous Staff 4.6
Accurate Diagnosis 4.7
Bedside Manner 4.7
Spends Time with Me 4.7
Follows Up After Visit 4.7

Education & Awards

Dr. Dellorso graduated from Universita Degli Studi Di Perugia.


Dr. Dellorso has 8 hospital affiliations:

  • Newark Beth Israel Medical Center 
  • Vassar Brothers Medical Center 


  • French
  • German
  • Chinese
  • Greek
  • Hebrew
  • Spanish
  • Italian

> > > > Dr. John Dellorso, MD

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Additional Information
Dr. John V Dellorso MD is a male Internist, has 29 years of experience and practices in Internal Medicine.
Where does Dr. John V. Dellorso practice?
Dr. John Dellorso has 1 office location.
Dr. John Dellorso practices Internal Medicine near Newark, NJ.
See Newark Internists.