Dr. Isaac O'neal, MD

Doctor
5.0

1 reviews

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About This Business

With 46 years of experience since graduating from Rutgers New Jersey Medical School in 1980, above the 37-year average among the 101 Newark physicians in our directory, Dr. Isaac O'neal, M.D., practices internal medicine in Newark, New Jersey. He is one of four internal medicine doctors in those listings. He holds an active New Jersey license, accepts Medicare, and telehealth is not currently listed among his services. Patients rate him 5.0 across 1 review.

Verified Provider Info

Specialty (per registry)
Internal Medicine
NPI Number
1598809626
Medical school graduate
1980 (46+ years of practice)
Medical school
RUTGERS NEW JERSEY MEDICAL SCHOOL
State license
25MA04217200 (NJ)
Accepts Medicare

Source: NPPES NPI Registry (CMS) · CMS Doctors & Clinicians dataset · checked 2026-08-18

Address

110 William St
Newark, NJ 7102

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Information last updated: August 23, 2026