Type 1 · Individual ✓ Active NPI ✓ Valid NPI checksum

Rajeev Sareen, MD

Internal Medicine Physician in Aurora, IL · enumerated 2005 · practices at Elan Medical Service Corporation.

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

National Provider Identifier

1316947468

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Registry record

Entity type Individual (Type 1)

Name Rajeev Sareen

Credential MD

Sex Male

Practice address 2121 Ridge Ave Ste 105, Aurora, IL, 60504

Phone (331) 401-5786

Fax (331) 401-5892

Enumeration date Jul 29, 2005

Last updated in NPPES Jan 5, 2026

Taxonomy & licenses

207R00000X Internal Medicine Physician Allopathic & Osteopathic Physicians · License 036069160 (IL) Primary

207P00000X Emergency Medicine Physician Allopathic & Osteopathic Physicians · License 036069160 (IL) Secondary

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
930077303	Other	-	RAILROAD MEDICARE
139736620	Medicaid	TX	-
139736624	Medicaid	TX	-

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.

Read the full guide → Validate an NPI →

Frequently asked questions

What is the NPI number for Rajeev Sareen?

The National Provider Identifier (NPI) for Rajeev Sareen is 1316947468, a Type 1 (individual) record in the CMS NPPES registry.

Where does Rajeev Sareen practice?

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

Other providers at this practice address

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Elan Medical Service Corporation Chiropractor · Aurora, IL NPI 1265198519

Source: CMS NPPES (public data). Snapshot 2026-07-13. Provider record last updated 2026-01-05.