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

Steven F Willey, MD

Individual provider Internal Medicine Physician · NPI 1730108556

Steven F Willey, MD is an Internal Medicine in Chesterfield, Missouri. Graduated from Northwestern University Feinberg Medical School in 1990, 36 years ago. Practices as a sole proprietor and accepts Medicare assignment. Licensed in Missouri.

Years since qualifying
36
Trained at
Northwestern University Feinberg Medical School
Licensed in
MO
In the registry since
2006
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

224 S Woods Mill Rd Ste 560
Chesterfield, MO 63017-3451
Phone: (314) 469-0033
Fax: (314) 469-0088
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Pin is approximate — placed at the ZIP-code centre, not the exact door.

Specialties & licences

Internal Medicine Physician (primary) Taxonomy 207R00000X · Licence MD107032 (MO)

Record details

NPI number1730108556
Entity typeIndividual (Type 1)
GenderMale
Credentials MD
Sole proprietorYes
NPI enumeratedJuly 19, 2006
Last updated in NPPESJuly 9, 2007

Medicare enrollment

From the CMS Doctors & Clinicians file — this clinician is enrolled in Medicare.

Medicare specialtyINTERNAL MEDICINE
Medical schoolNORTHWESTERN UNIVERSITY FEINBERG MEDICAL SCHOOL
Graduated 1990 (36 years in practice)
Accepts Medicare assignment Yes — accepts the Medicare-approved amount
Practice locations2 on file with Medicare

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