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

William W Kessler, MD

Individual provider Medical Oncology Physician · NPI 1083710842

William W Kessler, MD is a Medical Oncology Physician in Elizabeth, New Jersey. Practices as a sole proprietor. Licensed in New Jersey.

Licensed in
NJ
In the registry since
2006
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

225 Williamson St
Elizabeth, NJ 07202-3625
Phone: (908) 355-9177
Fax: (908) 355-9583
Show map & directions

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

Specialties & licences

Medical Oncology Physician (primary) Taxonomy 207RX0202X · Licence MA033567 (NJ)

Record details

NPI number1083710842
Entity typeIndividual (Type 1)
GenderMale
Credentials MD
Sole proprietorYes
NPI enumeratedSeptember 16, 2006
Last updated in NPPESMarch 26, 2013

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