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

Joseph Derosa, MD, LLC

Organization Internal Medicine Physician · NPI 1831448323

Joseph Derosa, MD, LLC is an Internal Medicine Physician in Westfield, New Jersey. Registered with an NPI since 2012.

In the registry since
2012
What do these letters mean?
LLC — Limited liability company
A form of business registration, not a clinical qualification.

See every abbreviation used in this directory →

Practice location Address checks out

220 Elmer St
Westfield, NJ 07090
Phone: (908) 654-1190
Fax: (908) 232-1728
Show map & directions

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

Specialties & licences

Internal Medicine Physician (primary) Taxonomy 207R00000X

Record details

NPI number1831448323
Entity typeOrganization (Type 2)
Organization subpartNo
Authorized official Joseph Derosa — Doctor · (908) 654-1190
Other names Westfield Internal Medicine
NPI enumeratedAugust 30, 2012
Last updated in NPPESAugust 30, 2012
Mailing address220 Elmer Street, Westfield, NJ 07090

Other providers in Westfield