Type 1 · Individual ✓ Active NPI ✓ Valid NPI checksum
Mary J Mikhailov, MD
Pediatrics Physician in Winfield, IL · enumerated 2006.
Data current as of Jul 13, 2026 · sourced from CMS NPPES
National Provider Identifier
1700817244
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Registry record
Taxonomy & licenses
Other identifiers
| Identifier | Type | State | Issuer |
|---|---|---|---|
| 363149833 | Other | IL | TAX IDENTIFICATION NUMBER |
| 0222075 | Other | IL | BLUE CROSS GROUP NUMBER |
| 548190001 | Other | IL | MEDICARE INDIVIDUAL PTAN |
| 3631498336019001 | Other | IL | CDPG HFS PAYEE ID |
| 036078879 | Medicaid | IL | - |
What is an NPI number?
A National Provider Identifier (NPI) is a unique 10-digit number that CMS assigns to every U.S. healthcare provider and organization under HIPAA. Type 1 NPIs identify individual providers; Type 2 NPIs identify organizations. The NPI appears on insurance claims, prescriptions, and credentialing paperwork, and never changes, even if the provider moves or changes specialty.
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Browse all →Source: CMS NPPES (public data). Snapshot 2026-07-13. Provider record last updated 2014-11-03.