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

Dr. John W Oren, MD

Individual provider Vascular Surgery Physician · NPI 1104803352

Dr. John W Oren, MD is a Vascular Surgery Physician in Mequon, Wisconsin. Practices as a sole proprietor. Licensed in Indiana and Wisconsin.

Licensed in
IN, WI
In the registry since
2005
Specialties on file
2
What do these letters mean?
MD — Doctor of Medicine
A physician who completed allopathic medical school.

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Practice location Address checks out

10509 N Manor Cir
Mequon, WI 53092-5172
Phone: (574) 850-0826
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Pin is approximate — placed at the ZIP-code centre, not the exact door.

Specialties & licences

Vascular Surgery Physician (primary) Taxonomy 2086S0129X · Licence 63607 (WI)
Vascular Surgery Physician Taxonomy 2086S0129X · Licence 01030418A (IN)

Record details

NPI number1104803352
Entity typeIndividual (Type 1)
GenderMale
Credentials MD
Sole proprietorYes
NPI enumeratedDecember 29, 2005
Last updated in NPPESApril 12, 2017
Mailing address10509 N Manor Cir, Mequon, WI 53092-5172