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

Prof. Jonathan Joseph Lewis, MD, PHD

Individual provider Surgical Oncology Physician · NPI 1457038671

Prof. Jonathan Joseph Lewis, MD, PHD is a Surgical Oncology Physician in Westport, Connecticut. Practices as a sole proprietor. Licensed in New York.

Licensed in
NY
In the registry since
2023
What do these letters mean?
MD — Doctor of Medicine
A physician who completed allopathic medical school.
PHD — Doctor of Philosophy
A research doctorate. In healthcare it usually sits alongside a clinical licence.

See every abbreviation used in this directory →

Practice location Address checks out

125 Hillandale Rd
Westport, CT 06880-5405
Phone: (646) 709-1005
Show map & directions

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

Specialties & licences

Surgical Oncology Physician (primary) Taxonomy 2086X0206X · Licence 189180 (NY)

Record details

NPI number1457038671
Entity typeIndividual (Type 1)
GenderMale
Credentials MD , PHD
Sole proprietorYes
NPI enumeratedJune 29, 2023
Last updated in NPPESJune 29, 2023
Certification dateJune 29, 2023
Mailing address125 Hillandale Rd, Westport, CT 06880-5405