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

Dr. Sidney D Machefsky, MD

Individual provider Diagnostic Radiology Physician · NPI 1780617050

Dr. Sidney D Machefsky, MD is a Diagnostic Radiology Physician in St. Charles, Missouri. Licensed in Illinois and Missouri. Registered with an NPI since 2006.

Licensed in
IL, MO
In the registry since
2006
Specialties on file
4
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

300 First Capitol Dr
St. Charles, MO 63301
Phone: (636) 947-5444
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Pin is approximate — placed at the ZIP-code centre, not the exact door.

Specialties & licences

Vascular & Interventional Radiology Physician (primary) Taxonomy 2085R0204X (IL)
Diagnostic Radiology Physician Taxonomy 2085R0202X · Licence R8634 (MO)
Vascular & Interventional Radiology Physician Taxonomy 2085R0204X · Licence R8634 (MO)
Diagnostic Radiology Physician Taxonomy 2085R0202X (IL)

Record details

NPI number1780617050
Entity typeIndividual (Type 1)
GenderMale
Credentials MD
Sole proprietorNo
NPI enumeratedJuly 9, 2006
Last updated in NPPESSeptember 11, 2025

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