Provider records sourced from NPPES (CMS National Plan & Provider Enumeration System). Data current as of August 10, 2026.

Dr. Ari Jonathan Feinberg, MD

Individual provider Internal Medicine Physician · NPI 1518426576

Dr. Ari Jonathan Feinberg, MD is an Internal Medicine Physician in Newark, New Jersey. Practices as a sole proprietor. Licensed in New Jersey and New York.

Licensed in
NJ, NY
In the registry since
2019
Specialties on file
3
What do these letters mean?
MD — Doctor of Medicine
A physician who completed allopathic medical school.

See every abbreviation used in this directory →

Practice location Address checks out

201 Lyons Ave
Newark, NJ 07112-2027
Phone: (973) 926-7000
Show map & directions

Pin is approximate — placed at the ZIP-code centre, not the exact door.

Specialties & licences

Student in an Organized Health Care Education/Training Program (primary) Taxonomy 390200000X · Licence 25MA11784100 (NJ)
Internal Medicine Physician Taxonomy 207R00000X · Licence 317421 (NY)
Internal Medicine Physician Taxonomy 207R00000X · Licence 25MA11784100 (NJ)

Record details

NPI number1518426576
Entity typeIndividual (Type 1)
GenderMale
Credentials MD
Sole proprietorYes
NPI enumeratedMarch 18, 2019
Last updated in NPPESJune 12, 2023
Certification dateJune 12, 2023

Other providers in Newark