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

Dr. Ruben F Lewin, MD

Individual provider Cardiovascular Disease Physician · NPI 1952365728

Dr. Ruben F Lewin, MD is a Cardiovascular Disease Physician in Greenfield, Wisconsin. Practices as a sole proprietor. Licensed in Wisconsin.

Licensed in
WI
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

4931 S 27th St Ste 400
Greenfield, WI 53221
Phone: (414) 672-7200
Fax: (414) 672-7400
Show map & directions

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

Specialties & licences

Cardiovascular Disease Physician (primary) Taxonomy 207RC0000X · Licence 28898020 (WI)

Record details

NPI number1952365728
Entity typeIndividual (Type 1)
GenderMale
Credentials MD
Sole proprietorYes
NPI enumeratedApril 17, 2006
Last updated in NPPESMarch 11, 2011