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

Stephen J Wen, MD

Individual provider Internal Medicine Physician · NPI 1447329537

Stephen J Wen, MD is an Internal Medicine Physician in Saint Louis, Missouri. Licensed in Missouri. Registered with an NPI since 2006.

Licensed in
MO
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

621 S New Ballas Rd Ste 3016B
Saint Louis, MO 63141-8232
Phone: (314) 251-6339
Show map & directions

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

Specialties & licences

Internal Medicine Physician (primary) Taxonomy 207R00000X · Licence 115353 (MO)

Record details

NPI number1447329537
Entity typeIndividual (Type 1)
GenderMale
Credentials MD
Sole proprietorNo
NPI enumeratedNovember 6, 2006
Last updated in NPPESJuly 8, 2007

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