SIDNEY D. MACHEFSKY M.D. – NPI #1780617050
Radiology
A radiologist who diagnoses and treats diseases by various radiologic imaging modalities. These include fluoroscopy, digital radiography, computed tomography, sonography and magnetic resonance imaging.
SIDNEY MACHEFSKY is a radiologist located in SAINT CHARLES, MO. NPPES has assigned the NPI number 1780617050 to SIDNEY MACHEFSKY on July 09, 2006. It is a Type-1 NPI, indicating this NPI number is associated with an individual. With multiple taxonomy codes selected, the primary taxonomy selected by this provider is 2085R0204X from the Health Care Provider Taxonomy code set, which is classified as Radiology, specializing in Vascular & Interventional Radiology
The NPI profile was last updated on Sep 11, 2025. Use the NPI data found here to bill health insurance companies, identify providers enrolled in Medicare and Medicaid services or other HIPAA compliant transactions. See the complete NPI profile for SIDNEY MACHEFSKY below.
NPI Profile for
SIDNEY D. MACHEFSKY
(about 20 years ago)
SAINT CHARLES, MO 63301 Phone: (636) 947-5444 Fax:
SAINT CHARLES, MO 63301-4405 Phone: (636) 947-4480 Fax:
Identifiers for SIDNEY MACHEFSKY
Identifiers are used to associate other provider identifiers such as Medicaid or other insurers (ie:, Blue Cross, Blue Shield, Aetna, Kaiser-Permanente, etc.), with their NPI number. These identifiers can be used in matching an NPI number to an insurer's records. However, not all providers have such numbers and not all providers choose to include them in their NPI information.
| Description | Issuer | State | Identifier |
|---|---|---|---|
| other | RAILROAD MEDICARE NUMBER | IL | P00122213 |
A taxonomy code is a code that describes the health care service provider's type, classification, and the area of specialization. The primary specialty for this provider is indicated as (Primary) below.
| Taxonomy Classification / Specialization | State | License |
|---|---|---|
| 2085R0204X - Radiology / Vascular & Interventional Radiology (Primary) |
IL | |
| 2085R0202X - Radiology / Diagnostic Radiology |
MO | R8634 |
The taxonomy codes are selected by the provider at the time of NPI registration. Selection of a taxonomy code does not replace any credentialing or validation process that the provider requesting the code should complete.