Type 1 · Individual ✓ Active NPI ✓ Valid NPI checksum
Masha Chizhik
Physician Assistant in Chicago, IL · enumerated 2014.
Data current as of Jul 13, 2026 · sourced from CMS NPPES
National Provider Identifier
1841614666
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Registry record
Entity type Individual (Type 1)
Name Masha Chizhik
Sex Female
Practice address 1541 W Devon Ave, Chicago, IL, 60660
Phone (773) 250-5222
Enumeration date Feb 13, 2014
Last updated in NPPES Sep 18, 2025
Taxonomy & licenses
363A00000X Physician Assistant Physician Assistants & Advanced Practice Nursing Providers · License 085.004920 (IL) Primary
Other identifiers
| Identifier | Type | State | Issuer |
|---|---|---|---|
| F400222230 | Other | - | MEDICARE PTAN |
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.
Frequently asked questions
What is the NPI number for Masha Chizhik?
The National Provider Identifier (NPI) for Masha Chizhik is 1841614666, a Type 1 (individual) record in the CMS NPPES registry.
Where does Masha Chizhik practice?
The practice location on file with NPPES is in Chicago, IL. Providers can have multiple locations; NPPES lists the primary practice address.
Other providers at this practice address
Browse all → Angela Rogers Family Nurse Practitioner · Chicago, IL NPI 1679503429 Natalya Vladimirskiy Internal Medicine Physician · Chicago, IL NPI 1326246356 Debra Fox Family Nurse Practitioner · Chicago, IL NPI 1538316641 Andrea Khosropour Family Medicine Physician · Chicago, IL NPI 1689802340 Jill Degen Psychiatric/Mental Health Nurse Practitioner · Chicago, IL NPI 1811292717 Oak Street Health: Edgewater Primary Care Clinic/Center · Chicago, IL NPI 1194164202 D2 Dental at Oak Street, P.C. General Practice Dentistry · Chicago, IL NPI 1740692854 Cindy Valencia Family Nurse Practitioner · Chicago, IL NPI 1992259410
Source: CMS NPPES (public data). Snapshot 2026-07-13. Provider record last updated 2025-09-18.