Type 1 · Individual ✓ Active NPI ✓ Valid NPI checksum

Kulumani M Sivarajan, MD

Hematology & Oncology Physician in Joliet, IL · enumerated 2005.

Data current as of Jul 13, 2026 · sourced from CMS NPPES

National Provider Identifier

1952396582

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Registry record

Entity type Individual (Type 1)

Name Kulumani M Sivarajan

Credential MD

Sex Male

Practice address 2614 W Jefferson St, Joliet, IL, 60435

Phone (815) 725-1355

Fax (815) 725-9857

Enumeration date Sep 20, 2005

Last updated in NPPES Jun 16, 2022

Taxonomy & licenses

207RH0003X Hematology & Oncology Physician Allopathic & Osteopathic Physicians · License 036062941 (IL) Primary

MD · Doctor of Medicine: A physician who completed medical school (allopathic medicine), residency training, and state licensure. About the MD credential

Other identifiers

Identifier	Type	State	Issuer
L29321	Other	IL	MEDICARE INDIV ID# FOR GROUP 336140
036062941	Medicaid	IL	-
205474004	Other	IL	MEDICARE INDIV ID# FOR GROUP 205474
830001948	Other	IL	MEDICARE RR

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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Frequently asked questions

What is the NPI number for Kulumani Sivarajan?

The National Provider Identifier (NPI) for Kulumani Sivarajan is 1952396582, a Type 1 (individual) record in the CMS NPPES registry.

Where does Kulumani Sivarajan practice?

The practice location on file with NPPES is in Joliet, IL. Providers can have multiple locations; NPPES lists the primary practice address.

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Source: CMS NPPES (public data). Snapshot 2026-07-13. Provider record last updated 2022-06-16.