Type 1 · Individual ✓ Active NPI ✓ Valid NPI checksum
Justin Nellamattom
Physical Therapist in Chicago, IL · enumerated 2022.
Data current as of Jul 13, 2026 · sourced from CMS NPPES
National Provider Identifier
1205551421
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Registry record
Entity type Individual (Type 1)
Name Justin Nellamattom
Sex Male
Practice address 5315 N Sheridan Rd, Chicago, IL, 60640
Phone (773) 541-2020
Enumeration date Oct 10, 2022
Last updated in NPPES Oct 10, 2022
Taxonomy & licenses
225100000X Physical Therapist Respiratory, Developmental, Rehabilitative and Restorative Service Providers · License 070026812 (IL) Primary
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
Is NPI 1205551421 active?
Yes, as of the latest NPPES snapshot, NPI 1205551421 is active (record last updated 2022-10-10).
How do I verify Justin Nellamattom's NPI record?
Cross-check NPI 1205551421 against the official CMS registry at npiregistry.cms.hhs.gov. This page mirrors the same public NPPES data with a monthly snapshot.
Other providers at this practice address
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Source: CMS NPPES (public data). Snapshot 2026-07-13. Provider record last updated 2022-10-10.