MR. STEVEN J KASSELS MD
NPI 1154458735
Internal Medicine in Westfield, MA
About Mr. Steven J Kassels Md NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
MR. STEVEN J KASSELS MD (NPI 1154458735) is an individual internal medicine provider in Westfield, Massachusetts, licensed in Massachusetts (77240) and active in the NPI registry since February 2007.
NPPES Registry Identity
Specialties & Licenses 2
A physician who provides long-term, comprehensive care in the office and the hospital, managing both common and complex illness of adolescents, adults and the elderly. Internists are trained in the diagnosis and treatment of cancer, infections and diseases affecting the heart, blood, kidneys, joints and digestive, respiratory and vascular systems. They are also trained in the essentials of primary care internal medicine, which incorporates an understanding of disease prevention, wellness, substance abuse, mental health and effective treatment of common problems of the eyes, ears, skin, nervous system and reproductive organs.
Other Providers at the Same Location NPPES 17
Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.
WESTFIELD, MA 01085
WESTFIELD, MA 01085
Frequently Asked Questions NPPES & CMS
Common questions about this NPI record, answered from the official NPPES registry and CMS datasets shown on this page.
What is Steven Kassels's NPI number?
The NPI number for Steven Kassels is 1154458735. It was assigned to this individual provider in the NPPES registry on February 28, 2007.
Where is Steven Kassels located?
Steven Kassels practices at 125 N Elm St, Westfield, MA 01085. The listed phone number is (413) 568-6600.
What is Steven Kassels's specialty?
The primary specialty registered for this NPI is Internal Medicine with taxonomy code 207R00000X.
When was this NPI record last updated?
The NPPES record for Steven Kassels was last updated on September 11, 2025. NPI Profile syncs with the weekly NPPES data releases published by CMS.