DR. SIDNEY D MACHEFSKY M.D.
NPI 1780617050
Radiology - Vascular & Interventional Radiology in St Charles, MO
About Dr. Sidney D Machefsky M.d. NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
DR. SIDNEY D MACHEFSKY M.D. (NPI 1780617050) is an individual vascular & interventional radiology provider in St Charles, Missouri, licensed in Missouri (R8634) and active in the NPI registry since July 2006.
NPPES Registry Identity
Specialties & Licenses 2
A radiologist who diagnoses and treats diseases by various radiologic imaging modalities. These include fluoroscopy, digital radiography, computed tomography, sonography and magnetic resonance imaging.
Other Identifiers 1
Other Providers at the Same Location NPPES 14
Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.
ST. CHARLES, MO 63301
ST CHARLES, MO 63301
Frequently Asked Questions NPPES & CMS
Common questions about this NPI record, answered from the official NPPES registry and CMS datasets shown on this page.
What is Sidney Machefsky's NPI number?
The NPI number for Sidney Machefsky is 1780617050. It was assigned to this individual provider in the NPPES registry on July 9, 2006.
Where is Sidney Machefsky located?
Sidney Machefsky practices at 300 First Capitol Drive, St Charles, MO 63301. The listed phone number is (636) 947-5444.
What is Sidney Machefsky's specialty?
The primary specialty registered for this NPI is Radiology, specializing in Vascular & Interventional Radiology, with taxonomy code 2085R0204X.
When was this NPI record last updated?
The NPPES record for Sidney Machefsky was last updated on September 11, 2025. NPI Profile syncs with the weekly NPPES data releases published by CMS.