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

Joseph Derosa, MD

Individual provider Internal Medicine Physician · NPI 1184671018

Joseph Derosa, MD is an Internal Medicine in Westfield, New Jersey. Graduated from Rutgers R W Johnson Medical School (CAM/NEW Bruns/Pisc) in 1991, 35 years ago. Practices as a sole proprietor and accepts Medicare assignment. Licensed in New Jersey.

Years since qualifying
35
Trained at
Rutgers R W Johnson Medical School (CAM/NEW Bruns/Pisc)
Licensed in
NJ
In the registry since
2006
What do these letters mean?
MD — Doctor of Medicine
A physician who completed allopathic medical school.

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Practice location Address checks out

505 E Broad St
Westfield, NJ 07090-2190
Phone: (908) 232-0899
Fax: (908) 232-1728
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Pin is approximate — placed at the ZIP-code centre, not the exact door.

Specialties & licences

Internal Medicine Physician (primary) Taxonomy 207R00000X · Licence 25MA 07201100 (NJ)

Record details

NPI number1184671018
Entity typeIndividual (Type 1)
GenderMale
Credentials MD
Sole proprietorYes
NPI enumeratedMay 27, 2006
Last updated in NPPESSeptember 21, 2011

Medicare enrollment

From the CMS Doctors & Clinicians file — this clinician is enrolled in Medicare.

Medicare specialtyINTERNAL MEDICINE
Medical schoolRUTGERS R W JOHNSON MEDICAL SCHOOL (CAM/NEW BRUNS/PISC)
Graduated 1991 (35 years in practice)
Accepts Medicare assignment Yes — accepts the Medicare-approved amount

Other providers in Westfield